Mineral categories available for application under the ERA:
Category 1 - Metallic Minerals and Atomic Substances and any other mineral category that may be available within the defined area.
This ERA arises from the total relinquishment of EL19/2008 and EL47/2007 by Garimperos Ltd. The 17 km2 area is situated in the Weld River valley about 50 km southwest of Hobart and is easily accessed by good forestry roads. The ERA offers an opportunity for exploration in a poorly explored area containing several known gold and base metal deposits.
The bedrock geology is dominated by Precambrian quartz arenite and dolostone, and Cambrian mafic and ultramafic-derived conglomerate, sandstone and siltstone, partly covered by Permo-Carboniferous sedimentary rocks, intruded and altered by Jurassic dolerite. There is a group of small abandoned workings in the area for gold, nickel and osmiridium with no recorded production.
No exploration was undertaken by Garimperos on either licence. Previous exploration by Sedimentary Holdings Ltd (1996–2007) included soil and rock chip surveys, ground magnetic, diamond and RC drilling, and defined a small gold resource known as the Forster prospect (1 Mt @ 0.4g/t Au) plus other gold-mineralised zones in silicified and skarn-altered Precambrian and Cambrian rocks. There are also occurrences of Ni, Pb, Zn and Cu mineralisation in the skarns and siliceous alteration zones. The mineralisation is unusual and there is little other recent base metal or gold exploration in the area.
The area is prospective for disseminated gold deposits and has some potential for base metals.
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