Data

Synchrotron data - Cleverley 3648 (Sep 2011) - Mapping the signals of in-situ redox changes during gold precipitation in high-grade gold deposits

Commonwealth Scientific and Industrial Research Organisation
Cleverley, James ; Borg, Stacey ; Hough, Rob ; Ryan, Chris ; Fisher, Louise
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.25919/kq5t-hp75&rft.title=Synchrotron data - Cleverley 3648 (Sep 2011) - Mapping the signals of in-situ redox changes during gold precipitation in high-grade gold deposits&rft.identifier=https://doi.org/10.25919/kq5t-hp75&rft.publisher=Commonwealth Scientific and Industrial Research Organisation&rft.description=Using the unique X-ray Fluorescence Mapping beamline coupled with the Maia-384 detector we plan to map large area (100-500 μm) XANES spectra of important redox species (As, Cr, V and Fe) within the mineral hosts (pyrite, biotite, ilmenite) for naturally occurring hydrothermal gold. This will for the first time allow the spatial determination of a) the coupled changes in redox state of trace elements and allude to the fundamental processes of gold deposition and, b) provide evidence for the redox state of important gold complexes in high grade natural gold deposits. We propose to analyse natural high-grade gold bearing quartz vein material from world-class systems at St Ives, Agnew, Sunrise Dam and Plutonic that have been well characterised by Scanning Electron Microscopy and/or X-ray Fluorescence Mapping (Hough et al, 2009).Lineage: Data was produced using the Maia 384 element detector array on the XFM X-ray microprobe beamline of the Australian Synchrotron and processed using the GeoPIXE software package.&rft.creator=Cleverley, James &rft.creator=Borg, Stacey &rft.creator=Hough, Rob &rft.creator=Ryan, Chris &rft.creator=Fisher, Louise &rft.date=2024&rft.edition=v2&rft_rights=Creative Commons Attribution 4.0 International Licence https://creativecommons.org/licenses/by/4.0/&rft_rights=Access to the data is restricted&rft_rights=All Rights (including copyright) CSIRO 2024.&rft_subject=St Ives&rft_subject=Agnew&rft_subject=Sunrise Dam&rft_subject=GeoPIXE&rft_subject=Maia&rft_subject=Plutonic&rft_subject=SXRF&rft_subject=XFM&rft_subject=XRF&rft_subject=fluorescence&rft_subject=gold&rft_subject=imaging&rft_subject=ore&rft_subject=redox&rft_subject=synchrotron&rft_subject=Inorganic geochemistry&rft_subject=Geochemistry&rft_subject=EARTH SCIENCES&rft_subject=Resource geoscience&rft_subject=Geology&rft_subject=Regolith and landscape evolution&rft_subject=Physical geography and environmental geoscience&rft_subject=Earth system sciences&rft_subject=Other earth sciences&rft_subject=Instruments and techniques&rft_subject=Synchrotrons and accelerators&rft_subject=PHYSICAL SCIENCES&rft_subject=Synchrotrons&rft.type=dataset&rft.language=English Access the data
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Using the unique X-ray Fluorescence Mapping beamline coupled with the Maia-384 detector we plan to map large area (100-500 μm) XANES spectra of important redox species (As, Cr, V and Fe) within the mineral hosts (pyrite, biotite, ilmenite) for naturally occurring hydrothermal gold. This will for the first time allow the spatial determination of a) the coupled changes in redox state of trace elements and allude to the fundamental processes of gold deposition and, b) provide evidence for the redox state of important gold complexes in high grade natural gold deposits. We propose to analyse natural high-grade gold bearing quartz vein material from world-class systems at St Ives, Agnew, Sunrise Dam and Plutonic that have been well characterised by Scanning Electron Microscopy and/or X-ray Fluorescence Mapping (Hough et al, 2009).
Lineage: Data was produced using the Maia 384 element detector array on the XFM X-ray microprobe beamline of the Australian Synchrotron and processed using the GeoPIXE software package.

Available: 2024-03-28

Data time period: 2011-09-01 to 2011-09-01

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Subjects
Agnew | Earth Sciences | Earth System Sciences | GeoPIXE | Geochemistry | Geology | Inorganic Geochemistry | Instruments and Techniques | Maia | Other Earth Sciences | Physical Sciences | Physical Geography and Environmental Geoscience | Plutonic | Regolith and Landscape Evolution | Resource Geoscience | SXRF | St Ives | Sunrise Dam | Synchrotrons | Synchrotrons and Accelerators | XFM | XRF | fluorescence | gold | imaging | ore | redox | synchrotron |

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Identifiers
ACN 633 798 857