20th January 2020
Exploration and Corporate Strategy Update
Drilling re-commences at the Kathleen Valley Lithium-Tantalum Project with the number
of drill rigs increased to six.
Toolebuc Vanadium Project to be divested.
KEY POINTS
- 2020 drilling program underway at Kathleen Valley with a further 15,000 - 18,000m drilling planned to be completed by the end of February 2020.
- Data from this drilling program will be used to prepare an updated Mineral Resource Estimate that will be incorporated into a Definitive Feasibility Study for Kathleen Valley.
- Drilling follows the positive Pre-Feasibility Study released late last year (see ASX release dated 2nd December 2019) which, based on a maiden Ore Reserve of 50.4Mt @ 1.2% Li2O and a mining rate of 2Mtpa, indicates an NPV of A$507M, a 26-year mine life and free cash flow of A$1.9B (excluding tantalum credits) over the life of the mine.
- At the Company's Toolebuc Vanadium Project in Queensland, good results have been received from drilling completed late last year to test potential extensions to the north of the existing Inferred Mineral Resource at the Cambridge deposit (~84Mt @ 0.30% V2O5). However, given Liontown's focus on advancing the Kathleen Valley Project towards development, it has commenced a process to either divest the Toolebuc Vanadium Project or bring in a partner to advance it to the next stage.
Kathleen Valley Lithium Tantalum Project
Liontown Resources Limited (ASX: LTR, "Liontown" or "Company") is pleased to advise that drilling has re-commenced at its flagship Kathleen Valley Lithium-Tantalum Project in Western Australia following the Christmas/New Year break.
Six drill rigs comprising four Reverse Circulation and two diamond core rigs are operating on site with 15,000 - 18,000m of drilling planned to be completed by the end of February 2020.
The current drilling program is designed to test for a resource extension Exploration Target of 25 - 50Mt
- 1.2 - 1.5% Li2O, which was defined based on testing for extensions of the current Mineral Resource Estimate (MRE) from the limits of previous drill data to a vertical depth of ~500m below surface. This Exploration Target is in addition the current 74.9Mt MRE.
(The potential grade and tonnage of the Exploration Target is conceptual in nature and there has been insufficient exploration to estimate an expanded Mineral Resource. It is uncertain if further exploration will result in the estimation of an expanded Mineral Resource. See Table 1 for full explanation of assumptions used to estimate ranges.)
ASX ANNOUNCEMENT
ASX: LTR
Results from the current drill program, once completed, will be used to prepare an updated MRE which will ultimately form the basis for a Definitive Feasibility Study (DFS). The updated MRE will include both open pit and underground resources, which are anticipated to provide the best outcome for the DFS.
The drill program will also provide geotechnical data and further sample material for metallurgical test work required as part of the DFS.
Due to the Christmas/New Year break assays are still pending for the drill holes completed late last year.
Liontown Managing Director David Richards said the decision to further increase drilling capacity at Kathleen Valley reflected the outstanding results generated towards the end of last year and the Company's strong focus on delivering a further upgrade in the Mineral Resource as the foundation for its DFS.
"Kathleen Valley's credentials as a high-qualitylithium-tantalum asset with grade, scale and other significant competitive advantages in terms of location and infrastructure continue to shine through as we progress development studies and resource drilling," he said.
"We are looking forward to what should be another defining year for the Company as we deliver a further increase to what is already Australia's fifth largest lithium resource and progress a DFS aimed at transforming Liontown into a next-generation lithium producer."
Toolebuc Vanadium Project
The Company has received significant assay results from drilling completed prior to the Christmas break at its 100%-owned Toolebuc Vanadium Project in NW Queensland.
Liontown acquired the Toolebuc Project in 2017 when it applied for five EPMs totalling approximately 1,000km2. The tenements covered large areas of prospective, outcropping Toolebuc Formation and adjoin existing vanadium resources (Figure 1) defined by Intermin Resources Limited (now known as Horizon Minerals Limited).
Compilation of historical data identified a number of drill ready targets including:
- The Cambridge prospect, where there was sufficient data from previous drill programs to prepare an Inferred Mineral Resource Estimate (MRE); and
- The Runnymede prospect where reconnaissance drilling intersected widespread, near-surface vanadium mineralisation.
Independent resource consultants, Optiro Pty Ltd, were engaged by Liontown to prepare a Mineral Resource Estimate (MRE) for the Cambridge vanadium deposit using historical drill data. The Cambridge MRE is summarised in Table 1:
Table 1: Cambridge Mineral Resource as at July 2018
Resource | Million tonnes | V2O5 % | MoO3 ppm | ||||||||
category | |||||||||||
Inferred | 83.7 | 0.30 | 188 | ||||||||
Total | 83.7 | 0.30 | 188 |
Notes: • Reported above a V2O5 cut-off grade of 0.25%
- Tonnages and grades have been rounded to reflect the relative uncertainty of the estimate
The Cambridge deposit is adjacent to and immediately east of the Lilyvale vanadium deposit, owned by Intermin Resources Ltd. In March 2018, Intermin Resources Ltd reported an updated Inferred Mineral Resources at the Lilyvale deposit of 671 Mt at an average grade of 0.35% V2O5 above a cut-off grade of 0.29% V2O5.
LIONTOWN RESOURCES LIMITED | PAGE 2
ASX ANNOUNCEMENT
ASX: LTR
Liontown completed a 30-hole/745m aircore drilling program at the Cambridge prospect in late 2019 which was designed to validate the historical drill results, test for a northern extension of the deposit and provide material for metallurgical test work.
Better intersections from the drilling include:
- MAC013 6m @ 0.45% V2O5 from 2m
- MAC015 10m @ 0.45% V2O5 from 10m
- MAC022 9m @ 0.36% V2O5 from 7m
- MAC029 6m @ 0.39% V2O5 from 3m
The drilling intersected similar grades and widths as the historic drilling and defined additional vanadium mineralisation immediately to the north of the Cambridge MRE (Figure 2). The newly-defined mineralisation covers an area of 3.7km2 and averages 7m thick and 0.38% V2O5. Drill statistics for historic and recent drilling are listed in Appendix 1.
Preliminary metallurgical test work commissioned by Liontown indicates good potential to beneficiate the mineralisation to a higher grade concentrate that can then be processed to extract the vanadium. The recent drilling program at Cambridge has provided ample material for future test work.
At Runnymede, located 25-30kmnorth-west of Cambridge, historical drilling has intersected shallow, ore grade vanadium (Appendix 1) over a 3.5 x 3.5km area (Figure 3) with the mineralised zone open to the north and north-east where extensive, prospective unexplored Toolebuc Formation has been mapped.
In addition to the known prospects, large areas of the Toolebuc Formation within Liontown's tenure have yet to be explored for vanadium and there is good potential for further discoveries.
While the Toolebuc Project represents a quality development and growth opportunity in the battery metals space, following a strategic review of its corporate priorities and in light of the ongoing drilling success at its lithium projects, Liontown has decided to focus its resources on the continued development of the Kathleen Valley Project.
Consequently, the Company has commenced a process to either divest the Toolebuc Project or bring in a joint venture partner to advance it to the next stage. The Company will report any material developments in this process as and when they occur.
This announcement has been authorised for release by the Board.
DAVID RICHARDS
Managing Director
LIONTOWN RESOURCES LIMITED | PAGE 3
ASX ANNOUNCEMENT
ASX: LTR
For More Information: | Investor Relations: |
David Richards | Nicholas Read |
Managing Director | Read Corporate |
T: +61 8 9322 7431 | T: +61 8 9388 1474 |
info@ltresources.com.au | nichloas@readcorporate.com.au |
The Information in this report that relates to Mineral Resources for the Kathleen Valley Project is extracted from the ASX announcement "Kathleen Valley Lithium Resource jumps 353% to 74.9Mt @ 1.3% Li2O" released on the 9th July 2019 which is available on www.ltresources.com.au.
The Information in this report that relates to Ore Reserves for the Kathleen Valley Project is extracted from the ASX announcements "Kathleen Valley Pre- Feasibility Study confirms potential for robust new long-life open pit lithium mine in WA" released on 2nd December 2019 which is available on www.ltresources.com.au.
The Information in this report that relates to Mineral Resources for the Cambridge Deposit is extracted from the ASX announcement "Liontown Announces Maiden 84Mt Vanadium Resource for Toolebuc Project, NW Queensland" released on the 30th July 2018 which is available on www.ltresources.com.au.
The Information in this report that relates to Exploration Results for the Toolebuc Project is based on and fairly represents information and supporting documentation prepared by Mr David Richards, who is a Competent Person and a member of the Australasian Institute of Geoscientists (AIG). Mr Richards is a full-time employee of the company. Mr Richards has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and to the activities being undertaken to qualify as a Competent Person as defined in the 2012 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'. Mr Richards consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.
The company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcements. The Company confirms that the form and context in which the Competent Person's findings are presented have not been materially modified from the original market announcement.
This announcement contains forward-looking statements which involve a number of risks and uncertainties. These forward-looking statements are expressed in good faith and believed to have a reasonable basis. These statements reflect current expectations, intentions or strategies regarding the future and assumptions based on currently available information. Should one or more of the risks or uncertainties materialise, or should underlying assumptions prove incorrect, actual results may vary from the expectations, intentions and strategies described in this announcement. No obligation is assumed to update forward looking statements if these beliefs, opinions and estimates should change or to reflect other future developments.
Table 1: Kathleen Valley Project - Exploration Target Parameters and Assumptions
Parameter | KV Feeder Zone | KV North West | Rationale | ||||||||
Combined strike | 1100m | 400 | Based on previous drilling | ||||||||
length of pegmatites | and extrapolation of block | ||||||||||
Average cumulative | >18m | >20m | model used in preparation | ||||||||
true width | of Mineral Resource | ||||||||||
Estimate (released 4th | |||||||||||
Down Dip extent | 230 - 500m | 600 - 1,100m | |||||||||
September 2018) | |||||||||||
Specific gravity | 2.75 | 2.75 | Measured from diamond | ||||||||
core drilling | |||||||||||
Total tonnage | 12.5 - 27Mt | 13 - 24Mt | Strike x width x dip x S.G | ||||||||
Average grade | 1.2 - 1.5% | 1.2 - 1.5% | Based on latest Mineral | ||||||||
Resource Estimate | |||||||||||
LIONTOWN RESOURCES LIMITED | PAGE 4
ASX ANNOUNCEMENT
ASX: LTR
Figure 1: Toolebuc Vanadium Project - Location and regional geology plan showing existing resources and
prospects.
Figure 2: Toolebuc Vanadium Project - Cambridge prospect showing MRE and newly defined
mineralisation with better drill results
LIONTOWN RESOURCES LIMITED | PAGE 5
ASX ANNOUNCEMENT
ASX: LTR
Figure 3: Toolebuc Vanadium Project - Runnymede prospect showing historic drilling and mineralised
intersections
LIONTOWN RESOURCES LIMITED | PAGE 6
ASX ANNOUNCEMENT
ASX: LTR
Appendix 1 - Toolebuc Project - Liontown (2019) drill hole statistics
Hole_ID | Prospect | East | North | RL | Depth | Azimuth | Dip | Significant V2O5 (>0.25%) | ||||
From (m) | To (m) | Interval | V2O5% | |||||||||
MAC001 | Cambridge | 693498 | 7732987 | 135 | 28 | 0 | -90 | 8 | 16 | 8 | 0.36 | |
inc. 2m @ 0.6% V2O5 from 10m | ||||||||||||
MAC002 | Cambridge | 693540 | 7733376 | 135 | 24 | 0 | -90 | 20 | 24 | 4 | 0.43 | |
inc. 1m @ 0.55% V2O5 from 22m | ||||||||||||
17 | 24 | 7 | 0.39 | |||||||||
Kathleen | Valley | Lithium- | Tantalum | Projectinc. 1mUpdate@ 0.66% | V2O5 from | 21m | ||||||
MAC003 | Cambridge | 693554 | 7733751 | 135 | 24 | 0 | -90 | |||||
MAC004 | Cambridge | 693647 | 7734176 | 135 | 27 | 0 | -90 | 5 | 11 | 6 | 0.35 | |
inc. 1m @ 0.70% V2O5 from 6m | ||||||||||||
MAC005 | Cambridge | 693689 | 7734594 | 135 | 24 | 0 | -90 | 6 | 13 | 7 | 0.37 | |
inc. 1m @ 0.62% V2O5 from 8m | ||||||||||||
MAC006 | Cambridge | 693739 | 7734927 | 135 | 30 | 0 | -90 | 20 | 28 | 8 | 0.33 | |
inc. 2m @ 0.50% V2O5 from 23m | ||||||||||||
MAC007 | Cambridge | 693781 | 7735288 | 135 | 24 | 0 | -90 | 7 | 12 | 5 | 0.20 | |
MAC008 | Cambridge | 693902 | 7735650 | 135 | 27 | 0 | -90 | 5 | 12 | 7 | 0.39 | |
inc. 1m @ 0.66% V2O5 from 8m | ||||||||||||
MAC009 | Cambridge | 694378 | 7735699 | 135 | 24 | 0 | -90 | 7 | 15 | 8 | 0.40 | |
inc. 2m @ 0.63% V2O5 from 9m | ||||||||||||
MAC010 | Cambridge | 694808 | 7735614 | 135 | 24 | 0 | -90 | No significant assays | ||||
MAC011 | Cambridge | 694302 | 7735291 | 135 | 27 | 0 | -90 | 6 | 9 | 3 | 0.34 | |
MAC012 | Cambridge | 694773 | 7735225 | 135 | 24 | 0 | -90 | 7 | 17 | 10 | 0.38 | |
inc. 1m @ 0.93% V2O5 from 12m | ||||||||||||
MAC013 | Cambridge | 695266 | 7735056 | 135 | 24 | 0 | -90 | 2 | 8 | 6 | 0.45 | |
inc. 2m @ 0.68% V2O5 from 3m | ||||||||||||
MAC014 | Cambridge | 694744 | 7734842 | 135 | 24 | 0 | -90 | 18 | 24 | 6 | 0.38 | |
inc. 2m @ 0.54% V2O5 from 20m | ||||||||||||
MAC015 | Cambridge | 694695 | 7734488 | 135 | 21 | 0 | -90 | 10 | 20 | 10 | 0.45 | |
inc. 2m @ 0.99% V2O5 from 15m | ||||||||||||
MAC016 | Cambridge | 694674 | 7734091 | 135 | 27 | 0 | -90 | 17 | 26 | 9 | 0.34 | |
inc. 2m @ 0.53% V2O5 from 20m | ||||||||||||
MAC017 | Cambridge | 694638 | 7733709 | 135 | 30 | 0 | -90 | 27 | 30 | 3 | 0.32 | |
MAC018 | Cambridge | 693260 | 7734995 | 135 | 27 | 0 | -90 | 4 | 10 | 6 | 0.37 | |
inc. 1m @ 0.50% V2O5 from 6m | ||||||||||||
MAC019 | Cambridge | 693299 | 7735460 | 135 | 24 | 0 | -90 | 4 | 10 | 6 | 0.36 | |
inc. 1m @ 0.55% V2O5 from 6m | ||||||||||||
MAC020 | Cambridge | 692271 | 7735270 | 135 | 30 | 0 | -90 | 18 | 29 | 11 | 0.34 | |
MAC021 | Cambridge | 691784 | 7735218 | 135 | 33 | 0 | -90 | 18 | 26 | 8 | 0.37 | |
MAC022 | Cambridge | 691847 | 7735678 | 135 | 27 | 0 | -90 | 7 | 16 | 9 | 0.36 | |
MAC023 | Cambridge | 691911 | 7736138 | 135 | 30 | 0 | -90 | |||||
MAC024 | Cambridge | 691962 | 7736554 | 135 | 12 | 0 | -90 | |||||
MAC025 | Cambridge | 692395 | 7736118 | 135 | 9 | 0 | -90 | No significant assays | ||||
MAC026 | Cambridge | 692804 | 7735784 | 135 | 27 | 0 | -90 | |||||
MAC027 | Cambridge | 692869 | 7736292 | 135 | 15 | 0 | -90 | |||||
MAC028 | Cambridge | 693372 | 7735928 | 135 | 27 | 0 | -90 | |||||
MAC029 | Cambridge | 693944 | 7736061 | 135 | 27 | 0 | -90 | 3 | 9 | 6 | 0.39 | |
inc. 1m @ 0.57% V2O5 from 4m | ||||||||||||
MAC030 | Cambridge | 694836 | 7736046 | 135 | 24 | 0 | -90 | No significant assays |
LIONTOWN RESOURCES LIMITED | PAGE 7
ASX ANNOUNCEMENT
ASX: LTR
Appendix 1 (cont.) - Toolebuc Project - Historic (2008) drill hole statistics
Hole_ID | Prospect | East | North | RL | Depth | Azimuth | Dip | Significant V2O5 (>0.25%) | ||||||||||||||||||||||||||
From (m) | To (m) | Interval | V2O5% | |||||||||||||||||||||||||||||||
JRC07275 | Runnymede | 672824 | 7752187 | 135 | 12 | 0 | -90 | |||||||||||||||||||||||||||
JRC07276 | Runnymede | 673190 | 7751686 | 135 | 15 | 0 | -90 | |||||||||||||||||||||||||||
JRC07277 | Runnymede | 673294 | 7751225 | 135 | 24 | 0 | -90 | No significant assays | ||||||||||||||||||||||||||
JRC07278 | Runnymede | 673367 | 7750695 | 135 | 20 | 0 | -90 | |||||||||||||||||||||||||||
JRC07279 | Runnymede | 673422 | 7750175 | 135 | 24 | 0 | -90 | |||||||||||||||||||||||||||
JRC07280 | Runnymede | 673912 | 7750105 | 135 | 24 | 0 | -90 | |||||||||||||||||||||||||||
JRC07281 | Runnymede | 672848 | 7750405 | 135 | 24 | 0 | -90 | 3 | 4 | 1 | 0.31 | |||||||||||||||||||||||
JRC07282 | Runnymede | 672364 | 7750302 | 135 | 20 | 0 | -90 | 6 | 15 | 9 | 0.37 | |||||||||||||||||||||||
JRC07283 | Runnymede | 671867 | 7750335 | 135 | 20 | 0 | -90 | 6 | 14 | 8 | 0.35 | |||||||||||||||||||||||
incl. 1m @ 0.64% V2O5 from 6m | ||||||||||||||||||||||||||||||||||
JRC07284 | Runnymede | 671357 | 7750386 | 135 | 24 | 0 | -90 | 1 | 7 | 6 | 0.3 | |||||||||||||||||||||||
JRC07285 | Runnymede | 670635 | 7751291 | 135 | 24 | 0 | -90 | 3 | 11 | 8 | 0.33 | |||||||||||||||||||||||
JRC07286 | Runnymede | 670457 | 7751707 | 135 | 20 | 0 | -90 | 5 | 12 | 7 | 0.36 | |||||||||||||||||||||||
incl. 1m @ 0.59% V2O5 from 6m | ||||||||||||||||||||||||||||||||||
JRC07287 | Runnymede | 670382 | 7752205 | 135 | 24 | 0 | -90 | 3 | 6 | 3 | 0.26 | |||||||||||||||||||||||
JRC07288 | Runnymede | 670810 | 7750825 | 135 | 24 | 0 | -90 | 11 | 18 | 7 | 0.36 | |||||||||||||||||||||||
incl. 1m @ 0.57% V2O5 from 12m | ||||||||||||||||||||||||||||||||||
JRC07289 | Runnymede | 670237 | 7750251 | 135 | 24 | 0 | -90 | 13 | 20 | 7 | 0.39 | |||||||||||||||||||||||
incl. 1m @ 0.65% V2O5 from 14m | ||||||||||||||||||||||||||||||||||
JRC07290 | Runnymede | 669789 | 7749950 | 135 | 24 | 0 | -90 | 7 | 11 | 4 | 0.42 | |||||||||||||||||||||||
incl. 1m @ 0.54% V2O5 from 8m | ||||||||||||||||||||||||||||||||||
JRC07291 | Runnymede | 669337 | 7749645 | 135 | 20 | 0 | -90 | 8 | 16 | 8 | 0.36 | |||||||||||||||||||||||
incl. 2m @ 0.54% V2O5 from 9m | ||||||||||||||||||||||||||||||||||
JRC07292 | Runnymede | 668879 | 7749355 | 135 | 24 | 0 | -90 | 14 | 22 | 8 | 0.41 | |||||||||||||||||||||||
incl. 3m @ 0.57% V2O5 from 15m | ||||||||||||||||||||||||||||||||||
JRC07293 | Runnymede | 671292 | 7750203 | 0 | 21 | 0 | -90 | 2 | 11 | 9 | 0.36 | |||||||||||||||||||||||
incl. 3m @ 0.54% V2O5 from 3m | ||||||||||||||||||||||||||||||||||
JRC07294 | Runnymede | 671343 | 7749175 | 135 | 27 | 0 | -90 | 6 | 10 | 4 | 0.42 | |||||||||||||||||||||||
incl. 1m @ 0.56% V2O5 from 7m | ||||||||||||||||||||||||||||||||||
JRC08016 | Cambridge | 695813 | 7735519 | 135 | 30 | 0 | -90 | No significant assays | ||||||||||||||||||||||||||
JRC08017 | Cambridge | 695776 | 7735124 | 135 | 24 | 0 | -90 | |||||||||||||||||||||||||||
JRC08018 | Cambridge | 695745 | 7734704 | 135 | 24 | 0 | -90 | 6 | 12 | 6 | 0.34 | |||||||||||||||||||||||
incl. 1m @ 0.52% V2O5 from 8m | ||||||||||||||||||||||||||||||||||
JRC08019 | Cambridge | 695712 | 7734299 | 135 | 24 | 0 | -90 | No significant assays | ||||||||||||||||||||||||||
JRC08020 | Cambridge | 695680 | 7733911 | 135 | 21 | 0 | -90 | 3 | 6 | 3 | 0.36 | |||||||||||||||||||||||
JRC08021 | Cambridge | 695640 | 7733474 | 135 | 21 | 0 | -90 | 6 | 11 | 5 | 0.32 | |||||||||||||||||||||||
incl. 1m @ 0.51% V2O5 from 7m | ||||||||||||||||||||||||||||||||||
JRC08022 | Cambridge | 695607 | 7733082 | 135 | 21 | 0 | -90 | 15 | 19 | 4 | 0.48 | |||||||||||||||||||||||
incl. 2m @ 0.63% V2O5 from 16m | ||||||||||||||||||||||||||||||||||
JRC08023 | Cambridge | 695575 | 7732676 | 135 | 23 | 0 | -90 | No significant assays | ||||||||||||||||||||||||||
JRC08032 | Cambridge | 696540 | 7732628 | 135 | 21 | 0 | -90 | 5 | 11 | 6 | 0.33 | |||||||||||||||||||||||
incl. 1m @ 0.55% V2O5 from 7m | ||||||||||||||||||||||||||||||||||
JRC08033 | Cambridge | 696596 | 7733066 | 135 | 18 | 0 | -90 | 4 | 7 | 3 | 0.35 | |||||||||||||||||||||||
JRC08034 | Cambridge | 694590 | 7732894 | 135 | 27 | 0 | -90 | No significant assays | ||||||||||||||||||||||||||
JRC08035 | Cambridge | 694601 | 7733314 | 135 | 21 | 0 | -90 | |||||||||||||||||||||||||||
JRC08036 | Cambridge | 693582 | 7732961 | 135 | 27 | 0 | -90 | 16 | 23 | 7 | 0.35 | |||||||||||||||||||||||
incl. 1m @ 0.71% V2O5 from 18m | ||||||||||||||||||||||||||||||||||
JRC08037 | Cambridge | 693606 | 7733377 | 135 | 21 | 0 | -90 | No significant assays | ||||||||||||||||||||||||||
JRC08038 | Cambridge | 693626 | 7733744 | 135 | 20 | 0 | -90 | |||||||||||||||||||||||||||
JRC08039 | Cambridge | 693727 | 7734181 | 135 | 24 | 0 | -90 | 6 | 11 | 5 | 0.36 | |||||||||||||||||||||||
incl. 1m @ 0.59% V2O5 from 7m | ||||||||||||||||||||||||||||||||||
JRC08040 | Cambridge | 693770 | 7734602 | 135 | 24 | 0 | -90 | 8 | 12 | 4 | 0.37 | |||||||||||||||||||||||
incl. 1m @ 0.57% V2O5 from 10m | ||||||||||||||||||||||||||||||||||
JRC08041 | Cambridge | 693820 | 7734912 | 135 | 12 | 0 | -90 | 6 | 11 | 5 | 0.33 | |||||||||||||||||||||||
incl. 1m @ 0.67% V2O5 from 8m | ||||||||||||||||||||||||||||||||||
JRC08042 | Cambridge | 693860 | 7735279 | 135 | 24 | 0 | -90 | 12 | 19 | 7 | 0.33 | |||||||||||||||||||||||
incl. 1m @ 0.57% V2O5 from 14m | ||||||||||||||||||||||||||||||||||
JRC08043 | Cambridge | 692540 | 7733081 | 135 | 24 | 0 | -90 | 13 | 19 | 6 | 0.35 | |||||||||||||||||||||||
incl. 1m @ 0.62% V2O5 from 14m | ||||||||||||||||||||||||||||||||||
JRC08044 | Cambridge | 692590 | 7733454 | 135 | 26 | 0 | -90 | 24 | 26 | 2 | 0.32 | |||||||||||||||||||||||
JRC08045 | Cambridge | 692640 | 7733847 | 135 | 24 | 0 | -90 | No significant assays | ||||||||||||||||||||||||||
JRC08046 | Cambridge | 692685 | 7734234 | 135 | 27 | 0 | -90 | 16 | 22 | 6 | 0.37 | |||||||||||||||||||||||
incl. 1m @ 0.65% V2O5 from 18m | ||||||||||||||||||||||||||||||||||
JRC08047 | Cambridge | 692714 | 7734588 | 135 | 24 | 0 | -90 | 18 | 24 | 6 | 0.37 | |||||||||||||||||||||||
JRC08048 | Cambridge | 692735 | 7734978 | 135 | 27 | 0 | -90 | 3 | 6 | 3 | 0.36 | |||||||||||||||||||||||
JRC08049 | Cambridge | 692728 | 7735368 | 135 | 27 | 0 | -90 | 9 | 14 | 5 | 0.34 | |||||||||||||||||||||||
JRC08050 | Cambridge | 691540 | 7733177 | 135 | 24 | 0 | -90 | 6 | 12 | 6 | 0.33 | |||||||||||||||||||||||
JRC08051 | Cambridge | 691580 | 7733568 | 135 | 27 | 0 | -90 | 13 | 20 | 7 | 0.33 | |||||||||||||||||||||||
JRC08052 | Cambridge | 691615 | 7733964 | 135 | 27 | 0 | -90 | 9 | 16 | 7 | 0.31 | |||||||||||||||||||||||
JRC08053 | Cambridge | 691665 | 7734351 | 135 | 19 | 0 | -90 | 13 | 19 | 6 | 0.36 | |||||||||||||||||||||||
JRC08054 | Cambridge | 691687 | 7734514 | 135 | 24 | 0 | -90 | 23 | 24 | 1 | 0.41 | |||||||||||||||||||||||
JRC08055 | Cambridge | 691712 | 7734749 | 135 | 27 | 0 | -90 | 11 | 18 | 7 | 0.32 | |||||||||||||||||||||||
JRC08067 | Cambridge | 692457 | 7732674 | 135 | 30 | 0 | -90 | 14 | 22 | 8 | 0.36 | |||||||||||||||||||||||
incl. 1m @ 0.74% V2O5 from 16m | ||||||||||||||||||||||||||||||||||
JRC08068 | Cambridge | 693533 | 7732554 | 135 | 24 | 0 | -90 | No significant assays | ||||||||||||||||||||||||||
JRC08071 | Cambridge | 694524 | 7732441 | 135 | 24 | 0 | -90 | 21 | 24 | 3 | 0.43 | |||||||||||||||||||||||
incl. 1m @ 0.56% V2O5 from 23m | ||||||||||||||||||||||||||||||||||
LIONTOWN RESOURCES LIMITED | PAGE 8
ASX ANNOUNCEMENT
ASX: LTR
Appendix 2 - Toolebuc Project - JORC Code 2012 Table 1 Criteria (January 15 2020)
The table below summaries the assessment and reporting criteria used for the Cambridge deposit Mineral Resource estimate and reflects the guidelines in Table 1 of The Australasian Code for the Reporting of Exploration Results, Mineral Resources and Ore Reserves (the JORC Code, 2012).
Section 1 Sampling Techniques and Data
Criteria | JORC Code explanation | Commentary | ||
Sampling | Nature and quality of sampling (eg cut channels, | • | All historic drilling for which results are reported | |
techniques | random chips, or specific specialised industry | was completed by Intermin Resources and | ||
standard measurement tools appropriate to the | ||||
documented in Statutory Surrender Report | ||||
minerals under investigation, such as down hole | ||||
CR92591 submitted to the Queensland DNRM. | ||||
gamma sondes, or handheld XRF instruments, etc). | ||||
• | Drill samples were collected by aircore (AC) drilling | |||
These examples should not be taken as limiting the | ||||
broad meaning of sampling. | techniques (see below). | |||
• Drill holes are oriented perpendicular to the | ||||
interpreted strike of the mineralised trend. | ||||
Include reference to measures taken to ensure | • | Regular cleaning of cyclone to remove hung-up | ||
sample representivity and the appropriate calibration | clays and avoid cross-sample contamination. | |||
of any measurement tools or systems used. | Samples were typically dry. | |||
Aspects of the determination of mineralisation that | • AC samples were collected by the metre from the | |||
drill rig cyclone. | ||||
are Material to the Public Report. | ||||
• | Intermin samples bagged and speared before | |||
In cases where 'industry standard' work has been | being dispatched to the laboratory. | |||
done this would be relatively simple (eg 'reverse | • | Liontown samples bagged and riffle split (75/25) | ||
circulation drilling was used to obtain 1 m samples | before being dispatched to the laboratory. | |||
from which 3 kg was pulverised to produce a 30 g | • | Intermin samples assayed at ALS Chemex, | ||
charge for fire assay'). In other cases more | ||||
Queensland: | ||||
explanation may be required, such as where there is | ||||
o | Entire sample pulverised | |||
coarse gold that has inherent sampling problems. | ||||
Unusual commodities or mineralisation types (eg | o Sample digest - 4 acid | |||
submarine nodules) may warrant disclosure of | o | Analytical procedure -ICP-AES | ||
detailed information. | • | Liontown assayed at SGS, Perth (after prep in | ||
Townsville): | ||||
o | Entire sample pulverised | |||
o Analytical procedure -XRF 78s (40 elements) | ||||
Drilling | Drill type (eg core, reverse circulation, open-hole | • | Standard aircore drill bit. | |
techniques | hammer, rotary air blast, auger, Bangka, sonic, etc) | • | Intermin drilling by Belldale Drilling utilising a truck | |
and details (eg core diameter, triple or standard tube, | ||||
mounted drilling rig. | ||||
depth of diamond tails, face-sampling bit or other | ||||
• | Liontown drilling by Eagle Drilling utilising a truck | |||
type, whether core is oriented and if so, by what | ||||
mounted drilling rig. | ||||
method, etc). | ||||
Drill sample | Method of recording and assessing core and chip | • | Sample recoveries are visually estimated and | |
recovery | sample recoveries and results assessed. | recorded for each metre. | ||
Measures taken to maximise sample recovery and | • | Dry drilling and regular cleaning of sampling | ||
ensure representative nature of the samples. | material. | |||
Whether a relationship exists between sample | • | None noted. | ||
recovery and grade and whether sample bias may | ||||
have occurred due to preferential loss/gain of | ||||
fine/coarse material. | ||||
Logging | Whether core and chip samples have been | • | Drill holes were geologically logged. | |
geologically and geotechnically logged to a level of | • | Intermin only recorded main lithologies which | ||
detail to support appropriate Mineral Resource | were extracted from the Statutory Surrender | |||
estimation, mining studies and metallurgical studies. | ||||
Report | ||||
• Liontown recorded recovery, colour, grainsize, | ||||
weathering and general comments | ||||
Whether logging is qualitative or quantitative in | • | Logging was quantitative. | ||
nature. Core (or costean, channel, etc) photography. | • | No core drilling completed | ||
The total length and percentage of the relevant | • | Holes logged on 1m intervals. | ||
intersections logged. | • | The entire hole was logged. | ||
If core, whether cut or sawn and whether quarter, | • | No core drilling completed. | ||
half or all core taken. |
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Criteria | JORC Code explanation | Commentary | |
Sub-sampling | If non-core, whether riffled, tube sampled, rotary | • | Intermin samples cone split - typically dry. |
techniques | split, etc and whether sampled wet or dry. | • | Liontown samples riffle split (75/25) |
and sample | For all sample types, the nature, quality and | • | Sample preparation follows industry best practice |
preparation | appropriateness of the sample preparation | standards and is conducted by internationally | |
technique. | |||
recognised laboratories. | |||
Quality control procedures adopted for all sub- | • | Intermin Resources use laboratory QAQC data was | |
sampling stages to maximise representivity of | provided by ALS. | ||
samples. | • | Liontown submitted blanks and certified standards | |
every 20 samples. | |||
Measures taken to ensure that the sampling is | • | Bulk samples were dry and homogenised. | |
representative of the in situ material collected, | |||
• | Regular cleaning of cyclones and sampling | ||
including for instance results for field | |||
equipment to prevent contamination. | |||
duplicate/second-half sampling. | |||
Whether sample sizes are appropriate to the grain | • | The sample size submitted to laboratory was | |
size of the material being sampled. | consistent with industry standards. | ||
Quality of | The nature, quality and appropriateness of the | • | Assaying of Intermin samples was completed by |
assay data | assaying and laboratory procedures used and | ALS Townsville and ALS Perth using industry | |
whether the technique is considered partial or total. | |||
and | standard procedures for a multi-element suite | ||
laboratory | including vanadium. | ||
• | Liontown samples were prepared by SGS | ||
tests | |||
Townsville and assayed by SGS Perth using | |||
industry standard procedures for a multi-element | |||
suite including vanadium. | |||
• Analytical techniques are total. | |||
For geophysical tools, spectrometers, handheld XRF | • | None used. | |
instruments, etc, the parameters used in determining | |||
the analysis including instrument make and model, | |||
reading times, calibrations factors applied and their | |||
derivation, etc. | |||
Nature of quality control procedures adopted (eg | • | See above | |
standards, blanks, duplicates, external laboratory | |||
checks) and whether acceptable levels of accuracy (ie | |||
lack of bias) and precision have been established. | |||
Verification of | The verification of significant intersections by either | • | Internal review was carried out by alternate |
sampling and | independent or alternative company personnel. | company personnel. | |
assaying | The use of twinned holes. | • | Liontown twinned 7 previous Intermin holes - |
results returned similar thicknesses and grades of | |||
mineralisation. | |||
Documentation of primary data, data entry | • | Data was extracted from statutory reports, | |
procedures, data verification, data storage (physical | entered into Excel spreadsheets, validated and | ||
and electronic) protocols. | loaded into a Microsoft Access database. | ||
• Data was exported from Microsoft Access for | |||
processing by a number of different software | |||
packages. | |||
• All electronic data is routinely backed up. | |||
Discuss any adjustment to assay data. | • | V% was converted to V2O5% by multiplying by 1.78 | |
Location of | Accuracy and quality of surveys used to locate drill | • | All drill holes were located using a hand-held GPS. |
data points | holes (collar and down-hole surveys), trenches, mine | ||
workings and other locations used in Mineral | |||
Resource estimation. | |||
Specification of the grid system used. | • | GDA 94 Zone 54 | |
Quality and adequacy of topographic control. | • | Digital elevation data (1 second data) was | |
downloaded from the Geoscience Australia | |||
dataset. This was used to construct a | |||
topographical surface and the drill hole collar data | |||
was projected to this surface to determine the | |||
collar elevations. | |||
Data spacing for reporting of Exploration Results. | • | Holes were drilled at an approximate 1,000 mE by |
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Criteria | JORC Code explanation | Commentary |
Data spacing | 400 to 500 mN spacing | |
and | Whether the data spacing and distribution is | • The data spacing is considered appropriate for |
distribution | sufficient to establish the degree of geological and | Mineral Resource estimation and a classification |
grade continuity appropriate for the Mineral | ||
has been applied. | ||
Resource and Ore Reserve estimation procedure(s) | ||
and classifications applied. | ||
Whether sample compositing has been applied. | • No compositing was completed. | |
Orientation of | Whether the orientation of sampling achieves | • Samples were oriented perpendicular to the |
data in | unbiased sampling of possible structures and the | mineralised horizon, suggesting that bias is |
extent to which this is known, considering the deposit | ||
relation to | unlikely. | |
type. | ||
geological | ||
If the relationship between the drilling orientation | • Given the style and homogeneity of | |
structure | and the orientation of key mineralised structures is | mineralisation, no sampling bias is likely. |
considered to have introduced a sampling bias, this | ||
should be assessed and reported if material. | ||
Sample | The measures taken to ensure sample security. | • Company geologists supervised all sampling and |
security | subsequent storage in field. No unauthorised | |
access was permitted. | ||
Audits or | The results of any audits or reviews of sampling | • None have been completed. |
reviews | techniques and data. | |
Section 2 Reporting of Exploration Results | ||
Criteria | JORC Code explanation | Commentary |
Mineral | Type, reference name/number, location and | • The Toolebuc Vanadium Project comprises five |
tenement and | ownership including agreements or material issues | granted exploration permits (EPMs 26490-26492 |
with third parties such as joint ventures, partnerships, | ||
land tenure | and 26494-26495) held by Liontown Resources | |
overriding royalties, native title interests, historical | ||
status | sites, wilderness or national park and environmental | Limited. |
• The combined tenement package covers a total | ||
settings. | ||
area of ~1,040 km2 and is located 440 km west of | ||
Townsville in north Queensland. | ||
• There are no material encumbrances affecting the | ||
tenements. | ||
The security of the tenure held at the time of | • All tenements are in good standing. | |
reporting along with any known impediments to | ||
obtaining a licence to operate in the area. | ||
Exploration | Acknowledgment and appraisal of exploration by | • There have been multiple phases of exploration in |
done by other | other parties. | the region since the early 1970s, with the main |
parties | focus being on hydrocarbons and/or vanadium | |
hosted by the Toolebuc Formation. | ||
• Liontown's tenure abuts significant vanadium | ||
resources originally reported by Intermin | ||
Resources in 2007 and 2010, and subsequently | ||
updated in March 2018. | ||
• Following assistance from the Queensland DNRM, | ||
detailed data has been recovered for the Intermin | ||
Resources' drill holes located on Liontown's | ||
tenure. | ||
• The only other significant exploration completed | ||
was by Pacminex in 1973 and Jacaranda Minerals | ||
in 2007, both of which conducted wide-spaced | ||
aircore drilling over EPMs 26492 and 26494. This | ||
work intersected strongly anomalous vanadium | ||
values hosted by the Toolebuc Formation. |
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Criteria | JORC Code explanation | Commentary | |
Geology | Deposit type, geological setting and style of | • | The Project area is largely underlain by sediments |
mineralisation. | belonging to the Lower Cretaceous Rolling Downs | ||
Group which includes the Toolebuc Formation, the | |||
main host to the vanadium mineralisation. | |||
• The Toolebuc Formation is a flat-lying sediment | |||
about 100 million years old and consists of black | |||
carbonaceous and bituminous shale, minor | |||
siltstone with limestone lenses and coquinites. In | |||
the Project area, the Formation is draped over an | |||
interpreted basement high and has been | |||
structurally uplifted to the surface. | |||
• The resources estimated by Intermin Resources | |||
relate to near surface mineralisation derived from | |||
the oxidation of the oil shale horizon. | |||
• At Cambridge, the mineralisation is hosted by a | |||
flat-lying,3-8 m thick horizon <30 m from the | |||
surface. The mineralisation is soft and would most | |||
likely be suitable for free digging. | |||
Drillhole | A summary of all information material to the | • | All relevant drill statistics including significant |
Information | understanding of the exploration results including a | intersections are tabled in the Appendix attached | |
tabulation of the following information for all | |||
to the ASX announcement.. | |||
Material drillholes: | |||
• easting and northing of the drillhole collar | |||
• elevation or RL (elevation above sea level in | |||
metres) of the drillhole collar | |||
• dip and azimuth of the hole | |||
• down hole length and interception depth | |||
• hole length. | |||
Data | In reporting Exploration Results, weighting averaging | • | V2O5 intercepts calculated using 0.25% cut off |
aggregation | techniques, maximum and/or minimum grade | with a maximum 1m internal dilution typically | |
truncations (e.g. cutting of high grades) and cut-off | |||
methods | applied. | ||
grades are usually Material and should be stated. | • | ||
Higher grade intervals calculated using 0.5% V2O5 | |||
cut off. No upper cuts applied. | |||
Relationship | If the geometry of the mineralisation with respect to | • | Down hole widths are equivalent to true widths. |
between | the drillhole angle is known, its nature should be | ||
reported. | |||
mineralisation | |||
If it is not known and only the down hole lengths are | |||
widths and | reported, there should be a clear statement to this | ||
intercept | effect (e.g. 'down hole length, true width not known'). | ||
lengths | |||
Diagrams | Appropriate maps and sections (with scales) and | • | Diagrams have been included in the attached |
tabulations of intercepts should be included for any | report. | ||
significant discovery being reported These should | |||
include, but not be limited to a plan view of drill hole | |||
collar locations and appropriate sectional views. | |||
Balanced | Where comprehensive reporting of all Exploration | • | All relevant exploration results have been |
reporting | Results is not practicable, representative reporting of | reported. | |
both low and high grades and/or widths should be | |||
practiced to avoid misleading reporting of Exploration | |||
Results. | |||
Other | Other exploration data, if meaningful and material, | • | Where relevant this information has been included |
substantive | should be reported including (but not limited to): | or referred to in the report or elsewhere in this | |
geological observations; geophysical survey results; | |||
exploration | Table. | ||
geochemical survey results; bulk samples - size and | |||
data | method of treatment; metallurgical test results; bulk | ||
density, groundwater, geotechnical and rock | |||
characteristics; potential deleterious or | |||
contaminating substances. |
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Criteria | JORC Code explanation | Commentary | |
Further work | The nature and scale of planned further work (e.g. | • | Seek JV partner |
tests for lateral extensions or depth extensions or | |||
large-scalestep-out drilling). | |||
Section 3 Estimation and Reporting of Mineral Resources | |||
Criteria | JORC Code explanation | Commentary | |
Database | Measures taken to ensure that data has not been | • | Drillhole data was extracted directly from the |
integrity | corrupted by, for example, transcription or keying | Company's drillhole database, which includes | |
errors, between its initial collection and its use for | |||
internal data validation protocols. | |||
Mineral Resource estimation purposes. | |||
• | Data was further validated by Optiro upon receipt, | ||
and prior to use in the estimation. | |||
Data validation procedures used. | • | Validation of the data was confirmed using mining | |
software (Datamine) validation protocols, and | |||
visually in plan and section views. | |||
Site visits | Comment on any site visits undertaken by the | • | Mr Richards visited the site during 2018 to inspect |
Competent Persons and the outcome of those visits. | the areas where rock chip sampling and the | ||
collection of a bulk sample (20 kg) for | |||
metallurgical test work had been undertaken. | |||
• Representatives of Optiro have not visited the site. | |||
Geological | Confidence in (or conversely, the uncertainty of ) the | • | The confidence in the geological interpretation is |
interpretation | geological interpretation of the mineral deposit. | high as the sedimentary package is reasonably | |
predictable over large areas. | |||
Nature of the data used and of any assumptions | • | Both assay and geological data were used for the | |
made. | mineralisation interpretation. | ||
• The vanadium mineralisation is defined by a | |||
nominal 0.12% V2O5 cut-off grade and within the | |||
Toolebuc Formation. Continuity between | |||
drillholes and sections is good. | |||
The effect, if any, of alternative interpretations on | • | No alternative interpretations were considered. | |
Mineral Resource estimation. | • | The interpreted geology and mineralisation is | |
simple and therefore any alternative | |||
interpretations are unlikely to significantly affect | |||
the Mineral Resource estimate. | |||
The use of geology in guiding and controlling Mineral | • | The vanadium mineralisation is constrained within | |
Resource estimation. | the Toolebuc Formation - a flat-lying sequence of | ||
marine sediments. | |||
The factors affecting continuity both of grade and | • | Grade and geological continuity is good. The | |
geology. | mineralisation is contained within the flat-lying | ||
sedimentary sequence of the Toolebuc Formation. | |||
At Cambridge, the Toolebuc Formation is draped | |||
over an interpreted basement high and has been | |||
structurally uplifted to the surface. The sectional | |||
interpretation confirms this regional | |||
interpretation. | |||
Dimensions | The extent and variability of the Mineral Resource | • | The Cambridge deposit is 5 km long and up to |
expressed as length (along strike or otherwise), plan | 3 km wide. | ||
width, and depth below surface to the upper and | • | The mineralisation extends from 1 m to 22 m | |
lower limits of the Mineral Resource. | |||
below surface (average 10 m) and ranges in | |||
thickness from 2 m to 17 m with an average | |||
thickness of 9.7 m. | |||
Estimation | The nature and appropriateness of the estimation | • | Vanadium pentoxide (V2O5) % and molybdic |
and modelling | technique(s) applied and key assumptions, including | trioxide (MoO3) ppm grades were estimated using | |
treatment of extreme grade values, domaining, | |||
techniques | ordinary kriging (OK). Optiro considers OK to be | ||
interpolation parameters and maximum distance of | |||
extrapolation from data points. If a computer assisted | an appropriate estimation technique for this type | ||
of mineralisation. | |||
estimation method was chosen include a description | |||
• | The nominal spacing of the drillholes is 1,000 mE by | ||
of computer software and parameters used. | |||
400 to 500 mN. |
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Criteria | JORC Code explanation | Commentary |
• A maximum extrapolation distance of 200 m was | ||
applied. | ||
• Data analysis and estimation was undertaken | ||
using Snowden Supervisor and Datamine software. | ||
• Drill samples were all taken over 1 m intervals and | ||
compositing was not required for estimation. | ||
• All variables were estimated separately and | ||
independently. | ||
• Variogram analysis was undertaken to determine | ||
the kriging estimation parameters used for OK | ||
estimation of V2O5 and MoO3. | ||
• V2O5 mineralisation continuity was interpreted | ||
from variogram analyses to have an along strike | ||
range of 2,050 m and an across strike range of | ||
480 m | ||
• Kriging neighbourhood analysis was performed in | ||
order to determine the block size, sample | ||
numbers and discretisation levels. | ||
• Three estimation passes were used for V2O5 and | ||
MoO3; the first search was based upon the | ||
variogram ranges; the second search was two | ||
times the initial search and the third search was | ||
up to three times the initial search and third | ||
searches had reduced sample numbers required | ||
for estimation. The majority of V2O5 block | ||
grades (almost 88%) were estimated in the first | ||
pass, 12% in the second pass and the remaining | ||
0.5% in the third pass. | ||
• The V2O5 and MoO3 estimated block model grades | ||
were visually validated against the input drillhole | ||
data and comparisons were carried out against the | ||
declustered drillhole data and by northing, easting | ||
and elevation slice. | ||
Description of how the geological interpretation was | • Geological interpretations were completed on | |
used to control the resource estimates. | sections which were wireframed to create a 3D | |
interpretation of the mineralised horizon. | ||
• The interpretation of mineralisation was made by | ||
Optiro based on geological logging and V2O5 | ||
content. A nominal grade of 0.12% V2O5 was used | ||
to define the mineralised horizon, which was | ||
constrained below a surface for the interpreted | ||
top of Toolebuc Formation and above a base of | ||
drilling surface. | ||
• The mineralised domain is considered geologically | ||
robust in the context of the resource classification | ||
applied to the estimate. | ||
Discussion of basis for using or not using grade | • V2O5 has a low coefficient of variation (CV) and no | |
cutting or capping. | outliers were noted. Grade capping was not | |
applied for estimation of V2O5. | ||
• MoO3 has a low CV. One outlier grade was capped | ||
(top-cut). The top-cut level was determined using | ||
a combination of top cut analysis tools, including | ||
grade histograms, log probability plots and the CV. | ||
The availability of check estimates, previous | • Mineral Resources have not previously been | |
estimates and/or mine production records and | reported for this deposit area and no production | |
whether the Mineral Resource estimate takes | has occurred. | |
appropriate account of such data. | ||
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Criteria | JORC Code explanation | Commentary | |
The assumptions made regarding recovery of by- | • | No assumptions have been applied for the | |
products. | recovery of by-products. | ||
• The MoO3 concentrations were estimated but it is | |||
unclear if this product can be economically | |||
recovered through beneficiation. | |||
Estimation of deleterious elements or other non- | • | Deleterious elements were not considered. | |
grade variables of economic significance (e.g. sulphur | |||
for acid mine drainage characterisation). | |||
In the case of block model interpolation, the block size | • | Grade estimation was into parent blocks of | |
in relation to the average sample spacing and the | 500 mE by 200 mN by 1.0 mRL. | ||
search employed. | • | Block dimensions were selected from kriging | |
neighbourhood analysis and reflect the variability | |||
of the deposit as defined by the current drill | |||
spacing. | |||
• Sub-cells to a minimum dimension of 100 mE by | |||
40 mN by 0.5 mRL were used to represent volume. | |||
Any assumptions behind modelling of selective mining | Selective mining units were not modelled. | ||
units. | |||
Any assumptions about correlation between | • | Moderate correlation exists between V2O5 and | |
variables. | MoO3. Both V2O5 and MoO3 were estimated | ||
independently. | |||
The process of validation, the checking process used, | • | No production has taken place and thus no | |
the comparison of model data to drill hole data, and | reconciliation data is available. | ||
use of reconciliation data if available. | |||
Moisture | Whether the tonnages are estimated on a dry basis or | • | Tonnages have been estimated on a dry basis. |
with natural moisture, and the method of | |||
determination of the moisture content. | |||
Cut-off | The basis of the adopted cut-off grade(s) or quality | • | The Mineral Resource estimate for the Cambridge |
parameters | parameters applied. | deposit has been reported above a cut-off grade | |
of 0.25 % V2O5 to represent the portion of the | |||
resource that may be considered for eventual | |||
economic extraction. | |||
• This cut-off grade has been selected by Liontown | |||
Resources in consultation with Optiro based on | |||
current experience and in-line with cut-off grades | |||
applied for reporting of vanadium Mineral | |||
Resources elsewhere in Australia. | |||
Mining factors | Assumptions made regarding possible mining | • | The mineralisation at Cambridge is soft and would |
or | methods, minimum mining dimensions and internal | most likely be suitable for free digging. | |
(or, if applicable, external) mining dilution. It is | |||
assumptions | • | The thickness, areal extent, and continuous nature | |
always necessary as part of the process of | |||
determining reasonable prospects for eventual | of the mineralisation at Cambridge are such that | ||
non-selective bulk mining methods can be | |||
economic extraction to consider potential mining | |||
methods, but the assumptions made regarding | appropriately considered. | ||
mining methods and parameters when estimating | • | The Toolebuc Vanadium Project is located close to | |
Mineral Resources may not always be rigorous. | existing infrastructure, including a gas pipeline, a | ||
major highway and railway linked to Townsville | |||
Port | |||
• On the basis of these assumptions, it is considered | |||
that there are no mining factors which are likely to | |||
affect the assumption that the deposit has | |||
reasonable prospects for eventual economic | |||
extraction. | |||
Metallurgical | The basis for assumptions or predictions regarding | • | A 20 kg sample from the Toolebuc Vanadium |
factors or | metallurgical amenability. It is always necessary as | Project area was submitted to ANSTO Minerals in | |
part of the process of determining reasonable | |||
assumptions | Sydney for preliminary metallurgical testwork. | ||
prospects for eventual economic extraction to | • | ||
consider potential metallurgical methods, but the | Preliminary results from the testwork indicate that | ||
assumptions regarding metallurgical treatment | the mineralised material is oxidised, soft, friable | ||
and probably free-digging; the vanadium is largely |
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Criteria | JORC Code explanation | Commentary | |
processes and parameters made when reporting | contained within the finer fraction (<38um) | ||
Mineral Resources may not always be rigorous. | meaning it may be suitable for pre-concentration; | ||
and the mineralisation is amenable to acid | |||
• | leaching. | ||
Liontown reported that these testwork results | |||
indicate that the vanadium mineralisation on | |||
Liontown's tenure is similar to the upper | |||
mineralised zone within Intermin Resources' | |||
Lilyvale deposit (Liontown, 2018). | |||
Environmental | Assumptions made regarding possible waste and | • | No environmental impact assessments have been |
factors or | process residue disposal options. It is always | conducted. It is assumed that any remedial action | |
necessary as part of the process of determining | |||
assumptions | to limit the environmental impacts of mining and | ||
reasonable prospects for eventual economic | |||
extraction to consider the potential environmental | processing will not significantly affect the | ||
economic viability of the project. | |||
impacts of the mining and processing operation. | |||
Bulk density | Whether assumed or determined. If assumed, the | • | No direct measurements of bulk density have |
basis for the assumptions. If determined, the method | been taken. | ||
used, whether wet or dry, the frequency of the | • | A dry bulk density of 1.8 t/m3 has been assumed. | |
measurements, the nature, size and | |||
This density factor was applied by Interim | |||
representativeness of the samples. | |||
Resources for Mineral Resource estimation at the | |||
Discuss assumptions for bulk density estimates used | |||
in the evaluation process of the different materials. | adjacent Lilyvale deposit announced in March | ||
2018. | |||
• This value is consistent with industry standards for | |||
similar rock types. | |||
• | A recommendation for future work is that | ||
confirmatory bulk density information is acquired. | |||
Classification | The basis for the classification of the Mineral | • | Inferred Mineral Resources have been defined |
Resources into varying confidence categories. | where the drill spacing is up to 1,000 mE by | ||
500 mN. | |||
Whether appropriate account has been taken of all | • | The estimate has been classified according to the | |
relevant factors (ie relative confidence in | guidelines of the JORC Code (2012) as an Inferred | ||
tonnage/grade estimations, reliability of input data, | Resource taking into account data quality, data | ||
confidence in continuity of geology and metal values, | |||
density, geological continuity, grade continuity | |||
quality, quantity and distribution of the data). | |||
and confidence in estimation. | |||
• | In plan, a polygon was used to define the area of | ||
Inferred Resources. | |||
Whether the result appropriately reflects the | • | The assigned classification of Inferred reflects the | |
Competent Person's view of the deposit | Competent Persons' assessment of the accuracy | ||
and confidence levels in the Mineral Resource | |||
estimate. | |||
Audits or | The results of any audits or reviews of Mineral | • | The Mineral Resource has been reviewed |
reviews | Resource estimates. | internally as part of normal validation processes | |
by Optiro. | |||
• | No external audit or review of the current Mineral | ||
Resource has been conducted. | |||
Discussion of | Where appropriate a statement of the relative | • | The assigned classification of Inferred reflects the |
relative | accuracy and confidence level in the Mineral Resource | Competent Persons' assessment of the accuracy | |
estimate using an approach or procedure deemed | |||
accuracy/ | and confidence levels in the Mineral Resource | ||
appropriate by the Competent Person. | |||
confidence | estimate. | ||
The statement should specify whether it relates to | • | The classification relates to the global estimate of | |
global or local estimates, and, if local, state the | tonnes and grade. | ||
relevant tonnages, which should be relevant to | |||
technical and economic evaluation. Documentation | |||
should include assumptions made and the procedures | |||
used. | |||
These statements of relative accuracy and confidence | • | No production has occurred from the deposit. | |
of the estimate should be compared with production | |||
data, where available. |
LIONTOWN RESOURCES LIMITED | PAGE 16
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Liontown Resources Limited published this content on 20 January 2020 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 19 January 2020 22:23:00 UTC