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Strategic Prospectivity Zones (SPZs) are recognised regions of high prospectivity for mineral discovery. SPZs were established under 1993 legislation enacted to provide resource security for the minerals industry. Under this legislation, the status of significant parcels of Crown land within SPZs cannot be changed to a tenure excluding mineral exploration and mining without the approval of both Houses of State Parliament.
Source: Mineral Resources Tasmania, Annual Review 2003-2004
Strategic Prospectivity Zones (SPZ) cover 25,200 square km, or 37% of Tasmania. The areas in each SPZ occupied by mining tenements at the end of June 2004 are shown below.