A technical review of historic data conducted by Rumble Resources Limited (ASX: RTR) on the recently granted tenement E20/967, part of the 100% owned Wardawarra Project, has identified a significant number of Nickel, Copper, Cobalt, Gold, Tantalum, Niobium, Tin and Lithium targets.
The targets have been delineated along strike from the Western Queen Gold Project.
The project is located 100km northwest of Mt Magnet within the Murchison Goldfields of Western Australia.
Wardawarra Project
The 100% owned Wardawarra Project consists of one granted exploration license (E20/967) and one exploration license application (ELA59/2443) for a total area of 213.3 sq. km.
The Wardawarra Project is contiguous to the north and south of Rumbles 100% owned Western Queen Gold Project which consists of two granted mining leases, M59/45 and M59/208, and has a JORC (2012) Mineral Resource Estimate (MRE) of 2.1Mt @ 2.42 g/t Au for 163,000oz.
There are a number of operating gold processing facilities in close proximity of the Western Queen Gold Project. The closest mill is Gascoyne Resources Limited’s Dalgaranga Mill (48km) which has a capacity of 2.5 Mtpa.
Targets
Prospects and Targets within E20-967 The Wardawarra Project covers the Archaean Wardawarra Greenstone Belt which extends over 35km in length with an average width of 3km.
The belt consists of two distinct geological groups separated by the regionally extensive north-south trending Wardawarra Shear Zone. The Western Group includes ultramafic extrusives (peridotite/dunite), intrusives (pyroxenite) with mafic intrusives (dolerite/gabbro) and minor mafic extrusives with volcaniclastics.
The Eastern Group consists of dominant mafic volcanics with volcaniclastics and BIF.
The Western Queen gold deposits are associated with the Western Queen Shear Zone which lies within the Western Group. Later dolerite and gabbro intrude both the Western and Eastern Groups, whilst pegmatites have intruded predominantly along the eastern margin of the greenstone belt.
Following a technical review of the Wardawarra Project, a significant number of historic multi-commodity prospects have been highlighted from open file and company reports whilst new targets have been delineated via geological, geophysical, and geochemical interpretation.
Yinga Nickel-Copper-Cobalt Prospect
The Yinga Ni-Cu-Co Prospect lies approximately 5km to the north of the Western Queen Gold Project within the Wardawarra Greenstone Belt.
Historic exploration (Yinga Exploration Pty Ltd), completed in 1972, discovered significant oxide nickel mineralisation over a strike of 1.8km associated with a series of nickel-copper soil anomalies (reported values to 1% Ni and 400ppm Cu) within three north trending ultramafic zones.
Percussion and diamond core drilling (12 percussion and 6 DD holes) with the 1.8km zone delineated strong nickel mineralisation associated with weathered ultramafics to a vertical depth >50m.
Cobalt is also associated with the nickel in the oxide (peak value 0.25% Co).
Significant historic oxide drill intersections within the Yinga Prospect include:
• 19.8m @ 0.88% Ni, 0.1% Co from 10.7m (PDH16) o Including 9.1m @ 1.26% Ni from 19.8m
• 50.3m @ 0.64% Ni from 10.7m (PDH11) o Including 4.6m @ 1% Ni from 15.2m
• 39.6m @ 0.63% Ni, 0.08% Co from surface (entire hole PDH05) o Including 16.8m @ 0.81% Ni from 6.1m
• 25.9m @ 0.69% Ni from 13.7m (PDH14)
• 22.5m @ 0.69% Ni from 12.5m (DDH1 – part assayed)
• 18.3m @ 0.63% Ni from 4.6m (PDH15)
Tantalum-Niobum-Tin Pegmatite Field
Lithium Potential Historical artisanal mining and exploration has highlighted a series of fertile Ta-Nb-Sn pegmatite intrusives within mafic, ultramafic and mixed greenstone/granite zones, principally along the eastern margin of the Wardawarra Greenstone Belt.
Only one pegmatite, the Tantalus Ta-Nb-Sn Prospect, was tested by drilling. No historic assaying has been reported from the remaining pegmatites where artisanal mining focused on beryl, emerald and amazon stone.
Tantalus Tantalum-Niobum-Tin Prospect
Lithium Potential Alluvial mining focused on particulate tantalite, columbite and tin (Ta, Nb, Sn) located in soils over deeply weathered and lateritised pegmatite at the Tantalus Prospect. Historic production is unknown. Within the alluvium and colluvium above the pegmatite, two grain size populations were noted.
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