GSQOpenData@resources.qld.gov.au - GSQ TECHNICAL NOTES - TN2022/04, HYPERSPECTRAL IMAGING, XRF SPECTROSCOPY AND WHOLE-ROCK MULTI-ELEMENT GEOCHEMISTRY OF PB-ZN-AG AND CU DEPOSITS, NW QUEENSLAND
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URL: https://geoscience.data.qld.gov.au/dataset/cr136135 In 2019, the Geological Survey of Queensland (GSQ) commenced the New Economy Minerals Initiative (NEMI), a 5-year program aiming to build up a comprehensive systematic physical and virtual reference collection of samples and associated geological data characterising signatures and footprints of the major mineral systems and their key constituent deposit types and styles in the Mount Isa Province, Queensland (the so-called Reference Collection project). The initial phase of the project was funded under the Queensland Government's Strategic Resources Exploration Program (2017-2021), which is extended into NEMI-2 (2022-2024) Program. This Reference Collection project was planned out to be implemented in several stages, including: - Acquisition of drill core and samples representative of ore and mineralisation from major IOCG, Pb-Zn-Ag and Cu-Au deposits, now permanently housed at the John Campbell Miles drill core facility in Mount Isa - Continuous core scanning using hyperspectral (HyLogger) and X-ray core scanning instruments (Minalyzer, TruScan - targeted campaigns) on the drill core housed at our drill core facility, along with an expanded sample collection provided by the industry partners (HyLogger and Minalizer data in this data release) - Extending a systematic collection of multi-element whole-rock and mineral geochemistry data (Multi-element whole-rock is included this data release; mineral geochemistry in the next data release) - Collection of integrated in situ micro-analytical datasets and imaging to enable more meaningful interpretation of the data, including data integration across different scales (macro to micro). This will include micro-analytical techniques, such as SEM, TIMA, EPMA, LA-ICP-MS and MicroXRF (MAIA), that are required to characterise host rocks, alteration hellos and importantly the endowment of both base-metals and critical metals (initial data in the next data release). ISSN: 2206-0340 ISBN: 978-1-9256-0938-7 Bibliographic reference: E. Belousova, V. Lisitsin, C. Dhnaram, P. Blake, J. Tang, S. Gopalakrishnan, D. Killen, F.E. von Gnielinski, M. Valetich 2022. Hyperspectral imaging and whole-rock multi-element geochemistry for Pb-Zn-Ag and Cu deposits of NW Queensland – Data package. GSQ Technical Notes 2022/04.
GSQOpenData@dnrme.qld.gov.au - EPM 17212, WESTONIA, ANNUAL FINAL REPOR FOR PERIOD ENDING 26/10/17
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URL: https://geoscience.data.qld.gov.au/dataset/cr123408 The project area lies within the Western Succession of the Mount Isa to McArthur River Block mineralised sequence. Mt Isa/McArthur Basin mineralised sequence is one of the world’s major copper, lead, zinc and silver provinces hosting several deposits including the Mt Isa, George‐Fisher, Hilton, Gunpowder, Century, Valhalla (U), Westmoreland (U), Constance Range (Fe) deposits. The Western Succession copper‐zinc‐lead‐silver deposits make the region one of Australia’s most sought‐after target regions. The currently operating mines to the north and south of the project areas along the same structures confirms this part of the region’s potential to host large deposits. Within the Mt Isa Block, four Proterozoic tectono‐stratigraphic terrains are recognized which comprise an older basement core overlain by three younger Proterozoic sedimentary sequences referred to as Cover Sequences 1, 2 and 3. These cover sequences are related to major episodes of intra‐cratonic rift and sag phase sedimentation. The Middle Proterozoic rocks record a complex history of intra‐continental rifting and subsidence during the period 1,800 to 1,590 million years (Ma), followed by compression, basin inversion and regional wrenching during the Isan Orogeny (1,590 to 1,500 Ma). Within the Western Succession, Cover Sequence 3 east of the Mount Gordon Fault is assigned to the Mt Isa Group (maximum thickness of 4,500 m) within the Leichhardt River Fault Trough. The equivalent sequence to the west of the fault is assigned to the McNamara Group (maximum thickness of 8,500 m) deposited in the Lawn Hill Platform. In the far north of the Mt Isa Block, this rock sequence is termed the Fickling Group. Cover Sequence 3 hosts many of the significant base metal deposits within the Mount Isa Block, including the Mt Isa, Mount Gordon, Mount Oxide, Hilton and George Fisher base metal deposits within the Mt Isa Group, and the Lady Loretta, Century and Lady Annie deposits within the similar‐aged McNamara Group.