21 January 2022 ASX RELEASE

Reward Minerals Ltd

21 January 2022 ASX RELEASE

Reward Minerals Ltd

21 January 2022 ASX RELEASE

Reward Minerals Ltd

only

JORC Code explanation

Commentary

Criteria

Sampling

Nature and quality of sampling (e.g. cut channels,

Groundwater sampling from OB005 - OB008 involved airlifting of

techniques

random chips, or specific specialised industry standard

water at various downhole depths by setting the air inlet hose at

measurement tools appropriate to the minerals under

the selected test horizon down the cased section of hole or inside

investigation, such as down hole gamma sondes, or

the drill rod stem.

handheld XRF instruments, etc.). These examples

should not be taken as limiting the broad meaning of

The samples were airlifted at regular intervals over a period of

sampling.

several hours with monitoring of the specific gravity (SG) of the

use

Include reference to measures taken to ensure sample

water as delivered from the hole.

representivity and the appropriate calibration of any

Bulk samples were collected from the airlift discharge hose in a

measurement tools or systems used.

20-litre bucket.

Aspects of the determination of mineralisation that are

Material to the Public Report.

Sub-samples of 250ml were taken from the bulk, labelled and

In cases where 'industry standard' work has been

delivered to the Perth Office.

done this would be relatively simple (e.g. 'reverse

Samples of similar Specific Gravity were composited for analysis

circulation drilling was used to obtain 1 m samples

by an independent laboratory.

from which 3 kg was pulverised to produce a 30 g

charge for fire assay'). In other cases more

Lithological

samples

were collected

nominally

at

1-metre

personal

explanation may be required, such as where there is

downhole intervals. These have not been assayed as yet.

coarse gold that has inherent sampling problems.

Geological

logging

is

ongoing and

is

being completed by a

Unusual commodities or mineralisation types (e.g.

submarine nodules) may warrant disclosure of detailed

information.

Drilling

Drill type (e.g. core, reverse circulation, open-hole

Vertical mud rotary drilling was conducted using a Hanjin D&B

techniques

hammer, rotary air blast, auger, Bangka, sonic, etc.)

Multi 35 drilling rig employing tricone and PDC bits.

and details (e.g. core diameter, triple or standard tube,

depth of diamond tails, face-sampling bit or other type,

No coring was undertaken.

whether core is oriented and if so, by what method,

etc.).

Drill hole completion details are provided in Table 1.

Drill sample

Method of recording and assessing core and chip

Lithological samples were collected nominally at 1-metre

recovery

sample recoveries and results assessed.

downhole intervals. Samples recovered are for geological logging

and qualitative purposes only.

Measures taken to maximise sample recovery and

ensure representative nature of the samples.

All water samples were collected by airlifting. See Sampling

Whether a relationship exists between sample

Techniques for further information.

recovery and grade and whether sample bias may

have occurred due to preferential loss/gain of

fine/coarse material.

Geologic

Whether core and chip samples have been

qualified geologist.

Logging

geologically and geotechnically logged to a level of

detail to support appropriate Mineral Resource

For

All lithological samples

collected during

drilling are qualitatively

estimation, mining studies and metallurgical studies.

logged at nominal 1-metre intervals.

Whether logging is qualitative or quantitative in nature.

Core (or costean, channel, etc.) photography.

The total length and percentage of the relevant

intersections logged.

Sub-sampling

If core, whether cut or sawn and whether quarter, half

250ml sub-samples were taken from the airlifted water samples.

or all core taken.

techniques

Upon

receipt of

the

samples

at

the Company's

in-house

If non-core, whether riffled, tube sampled, rotary split,

and sample

laboratory,

samples were sorted

and

reconciled

against the

etc. and whether sampled wet or dry.

record generated on-site.

preparation

For all sample types, the nature, quality and

High Total Dissolved Solids (TDS) solutions were diluted by 50x

appropriateness of the sample preparation technique.

prior

to dispatch

to an independent

laboratory.

Results are

Quality control procedures adopted for all sub-

corrected at the laboratory to account for the advised dilution (if

sampling stages to maximise representivity of

dilution has been carried out).

samples.

Measures taken to ensure that the sampling is

See Sampling Techniques above for further information.

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