Despite its small size of 68 000 square kilometres, Tasmania has a remarkable geological diversity and abundance of rich and high-grade mineral deposits.
Rocks from every period of the Earth's history from the Late Proterozoic are present in the State, and there have been at least four major episodes of economic mineralisation. Significant mineral deposits include Proterozoic iron ore, silica, dolomite and magnesite; Cambrian VHMS-gold and ultramafic-related platinum group minerals (PGM) and chromite; Devonian granite-related tin-tungsten and silver-lead-zinc deposits; Devonian slate-belt gold deposits; Triassic and Tertiary coal deposits; and Cainozoic alluvial gold, tin and PGMs, and residual iron oxide, silica and clay.
MRT encourages private sector exploration, by providing geoscientific information on areas of high mineral resource potential and by maintaining accessible data and drill core derived from past exploration.
Exploration Release Areas
MRT runs an ERA system that is designed to encourage exploration programs which stand the best chance of discovering the new mineral deposits. An ERA is created after ground is made newly available for exploration, current ERA's are listed here.
MRT helping promote exploration
MRT promotes exploration by the provision of precompetitative geoscientific information, in order to enhance the prospectivity of under-explored areas, reduce exploration risk, and to promote new exploration strategies in the states most prospective areas.
Mineral Resources Tasmania has undertaken various pre-competitive geoscientific data acquisition projects in 2011-2014 as part of the Western Tasmanian Geoscience Initiative.