Great Western has 8 distinct claim groups in Nevada targeting both precious metals and base metals. Please explore each claim group and use the table below to see the different stages of exploration and subsequent evolution. Feel free to contact us with any questions you might have and we will be happy to help.

Snapshot

Eastside Mine (EM)

A mapping and soil sampling programme successfully identified intersecting mineralised fault corridors from satellite imagery.

Great Western has conducted an IP (induced polarisation) geophysical survey, with a view to identifying potential buried sulphide orebodies in the claim area.

IP results have identified two main graben structures associated with surface veining, alteration and copper shows.

Key Facts

  • High grade oxide copper ores were previously mined at Eastside Mine
  • Likelihood of copper-porphyry style orebodies at depth
  • IP results have identified two main graben structures associated with surface veining, alteration and copper shows

Images

Exploration

A mapping and soil sampling programme successfully identified intersecting mineralised fault corridors from satellite imagery. Two extensive northeast trending graben structures host Cu enriched soil anomalies and Cu quartz vein bearing fault breccias at surface. Historical works as well as work by Great Western indicate the likelihood of copper-porphyry style orebodies at depth.

An IP survey has been completed. The IP survey profiles were orientated in an east-west direction and designed to test down to 300m depth. Two of the three profiles successfully identified structures of interest, leading to the identification of two graben structures bounding a central horst block. The faults that control these structures have both high chargeability and high resistivity features, interpreted as representing potential mineralised zones (chargeable) adjacent to silicified wall rocks (resistive). The structures spatially correspond to several surface features indicative of mineralisation, including copper showings, silicified stockwork zones and copper soil geochemistry halos.

The results achieved highlight the prospectivity of several areas at the Eastside Mine, providing potential targets for future drilling.

Geology

The historic Eastside Mine (“Eastside”) produced high grade oxide copper ores from shallow underground workings during World War One.

Conoco investigated Eastside as a copper porphyry prospect in the early 1970's, identifying mineralisation consisting of substantial copper (Cu) and molybdenum (Mo) values.

Historical northeast trending mineral workings at the Eastside Mine indicate a substantial mineralisation event.

The trend of the workings parallels regional scale normal faulting.

Photo imagery indicates the presence of crosscutting WNW-ESE strike slip faults, where the junctions between the opposing fault trends provide prospective traps for mineralisation.

Location

Locations