Copper Springs (copper/nickel & gold)
The Copper Springs Project is on Exploration Licence Applications E80/6036, E80/6092, E80/6059 & E80/6091 are located 100km northeast of Halls Creek in Western Australia. The projects are within the Halls Creek Orogen and contains rock units of the Sally Downs Supersuite, Tickalara Metamorphics and Red Rock Formation. Three major faults, the Halls Creek Fault, Alice Downs Fault and Mount Ranford Fault pass through the project area.
Mineralisation occurrences recorded at Copper Springs have been documented to contain massive boxwork gossans with malachite encrustations and scattered remnant sulphides, or as malachite, azurite and goethite in vuggy quartz veins or shear zones. Hematite pseudomorphs after pyrite scattered through the country rock in several places have also been recorded.
Figure. Airborne Magnetics (TMI) data at the Copper Springs Project showing priority EM targets.
An airborne EM survey to cover the western project area commenced in July 2024 (ASX: TG1 Announcement dated 1/08/2024) using Expert Geophysics Limited’s TargetEM system. The survey was halted part way through and recommenced in November 2024 using a next generation system with a lower base frequency of 12.5Hz. Modelling and interpretation of the EM and Magnetics survey data by Southern Geoscience Consultants has identified sixteen significant targets in the western project area and three significant targets in the eastern project. The targets are a mixture of strong and moderate EM anomalies, some with coincident magnetic highs, representing legitimate bedrock related mid and late channel conductors of moderate size and high conductance. A description of the targets identified is given in TG1’s ASX announcement 4th March 2025 with the conductance from the airborne survey.
Previous exploration is recorded across the Copper Springs area since the 1960’s and often the current project has been part of a much larger project area with previous exploration particularly focussing on diamonds and nickel-copper due to the proximity of the Savannah Nickel Mine (12km northwest) and Argyle Diamond Mine (75km north). Previous exploration work is still being however peak rock chip results located in the project area above 1% Cu in the NE project area include 4% Cu & 0.26g/t Au (sample TK500223), 3.4% Cu & 14.5g/t Ag (Sample TK651412) and 2.6% Cu (Sample TK500220) sampled by Thundelarra Exploration Ltd and 2.95% Cu (Sample 21BATSS5017) sampled by Battery Metals Limited.
The Bulldust Flat Prospect located in the Eastern Project area close to Target CSE_1 was discovered in the 1970’s by Australian Anglo American Services Ltd. The prospect is marked by iron-rich gossanous outcrops. Soil sampling identified a peak of 2,250ppm Ni and 1,850ppm Cu. Trenching identified intersections including 17m @ 0.51% Cu & 0.256% Ni (Trench 1) and 18m @ 0.485% Cu & 0.351% Ni (Trench 8; Table 1). A ground EM traverse failed to identify any deep conductive bodies. Two diamond drill holes were completed to test beneath the gossan area. Hole B1 drilled to 117.80m and hole B2 drilled to 94.40m depth. Best intercept from drilling was 4m @ 0.169% Cu & 0.331% Ni from 70.35m in hole B2 (Table 2). All coordinates from the Australian Anglo American Services Ltd, where given, are in local grid with no conversion to standard grid coordinates provided hence these holes have not been shown on included diagrams. No location coordinates are provided for soil samples or trenches.