Two prime target areas will be the focus of diamond drilling during the current campaign, including a prominent magneto-telluric (“MT”) conductor situated proximal and below high-grade zinc-copper silver stringer mineralization, known as the Deep EM target. The second drill target includes an EM conductor situated 2 km to the east of the Billiton deposit.
MT TARGETS
The magneto-telluric method is a geophysical technique that uses naturally occurring electromagnetic fields (“EM”) to measure the electrical conductivity of the earth. MT conductors reflect the presence of metallic sulphide deposits to depths of up to 1,000 metres, far beyond the depth of historical geophysical surveys completed at
- 8.13% Cu, 7.26% Zn, 240.80 g/t Ag & 0.33 g/t Au over 2.11 metres1
- 5.81 % Cu, 7.32% Zn, 171.20 g/t Ag & 0.02 g/t Au over 1.95 metres1
- 2.37% Cu, 1.75% Zn, 413.15 g/t Ag & 0.37 g/t Au over 6.00 metres1
The stringer-style mineralization is situated at a depth of approximately 300 metres below surface. The MT survey was commissioned in order to see conductors reflecting extensions to the identified stringer and/or massive sulphide mineralization to depths of up to 1,000 metres, and potentially expand on the limits and size potential of the VMS mineralizing system.
The 3D modelling delineated 3 strong conductors situated proximal to the Deep EM target and Billiton deposit that are high-grade stringer or feeder zones (Figures 1). All 3 MT conductors are thought to be very prospective for the presence of a nearby massive sulphide deposit. None of the MT conductors have been tested by diamond drilling.
MT Conductor 1 is the highest priority conductor for drilling given its close association with bore-hole electromagnetic (BHEM) conductors and associated high-grade stringer mineralization, centered 300 metres below surface (collectively the Deep EM Target). The upper part of MT Conductor 1 coincides very closely with the BHEM plates and mineralization but most importantly, continues down-plunge to the southeast to a depth of close to 1,000 metres (Figure 2). The geological and geophysical evidence suggests that MT Conductor 1 could be reflecting the down-plunge extension of the high-grade stringer mineralization reported above, but at greater depth.
Clearing and cribbing of the site for the drill rig to access MT Conductor 1 is currently underway. It is anticipated that the drill will be on the site and coring within the next three to four days. The Discovery 2 fly drill rig has a depth capability of 750 metres turning NQ-size rods, and it is expected that the hole will be completed to at least that depth.
BUILD-UP CONDUCTOR TARGET
An interesting electromagnetic conductor, known as the Build-Up Conductor, was fully defined in a recent large-loop electromagnetic survey (LLEM) completed by Abitibi Geophysics. The conductor, located in younger rocks, is approximately 2 kilometres east of the Billiton deposit in an un-drilled area of the
A single drill hole (
Sampling of the altered and mineralized sections of the core will be undertaken in the coming days. Assay results will be released as they become available.
1Analyses completed by
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Figure 1
Plan map of the MT conductors (500 metres below surface) showing Billiton Stringer Zone and Deep EM target and associated high-grade Cu-Zn-Ag stringer mineralization
Figure 2
Inclined 3D view looking SW, showing MT Conductors in relation to the Deep EM target and associated high-grade stringer mineralization
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