Transcription of Geology of Queensland - Department of Resources
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Geology of Queensland - Department of Resources
Queensland Minerals 2013 13 Geological framework (Compiled by Withnall & Cranfield)The geological framework outlined here provides a basic overview of the Geology of Queensland and draws particularly on work completed by Geoscience Australia and the Geological Survey of Queensland . Queensland contains mineralisation in rocks as old as Proterozoic (~1880Ma) and in Holocene sediments, with world-class mineral deposits as diverse as Proterozoic sediment-hosted base metals and Holocene age dune silica sand. Potential exists for significant mineral discoveries in a range of deposit styles, particularly from exploration under Mesozoic age shallow sedimentary cover fringing prospective older Geology of Queensland is divided into three main structural divisions: the Proterozoic North Australian Craton in the north-west and north, the Paleozoic Mesozoic Tasman Orogen (including the intracratonic Permian to Triassic Bowen and Galilee Basins) in the east, and overlapping Mesozoic rocks of the Great Australian Basin (Figure 1).
world’s lead resources, 11% of the world’s zinc resources, 5% of the world’s silver resources and 1.7% of the world’s copper resources. Four main styles of mineralisation account for the majority of the mineral resources within the rocks of the Mount Isa Province. 1. Sediment-hosted silver–lead–zinc
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