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  • 1
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    Recognising Mineral Deposits from Cover; A Case Study Using Zircon Chemistry in the Gawler Craton, South Australia (2021)
    Molecular Diversity Preservation International
    Details
    Publication Date: 2021-08-25
    Description: Detrital zircon grains preserved within clasts and the matrix of a basal diamictite sequence directly overlying the Carrapateena IOCG deposit in the Gawler Craton, South Australia are shown here to preserve U–Pb ages and geochemical signatures that can be related to underlying mineralisation. The zircon geochemical signature is characterised by elevated heavy rare-earth element fractionation values (GdN/YbN ≥ 0.15) and high Eu ratios (Eu/Eu* ≥ 0.6). This geochemical signature has previously been recognised within zircon derived from within the Carrapateena orebody and can be used to distinguish zircon associated with IOCG mineralisation from background zircon preserved within stratigraphically equivalent regionally unaltered and altered samples. The results demonstrate that zircon chemistry is preserved through processes of weathering, erosion, transport, and incorporation into cover sequence materials and, therefore, may be dispersed within the cover sequence, effectively increasing the geochemical footprint of the IOCG mineralisation. The zircon geochemical criteria have potential to be applied to whole-rock geochemical data for the cover sequence diamictite in the Carrapateena area; however, this requires understanding of the presence of minerals that may influence the HREE fractionation (GdN/YbN) and/or Eu/Eu* results (e.g., xenotime, feldspar).
    Electronic ISSN: 2075-163X
    Topics: Geosciences
    Published by Molecular Diversity Preservation International
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    PAPER CURRENT
  • 2
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    Sample locations and whole rock geochemistry for phosphorite samples from the Cambrian Georgina Basin (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-12
    Keywords: Aluminium oxide; Ardmore; Area/locality; Barium oxide; Barr_Creek; Calcium oxide; Cerium; Chromium(III) oxide; Depth, description; DEPTH, sediment/rock; DTREE; Duchess; Dysprosium; Erbium; Europium; Event label; Gadolinium; Georgina Basin; Hole; Holmium; Iron oxide, Fe2O3; Lanthanum; Laser Ablation; LATITUDE; Lily_Creek; LONGITUDE; Loss on ignition; Lutetium; Magnesium oxide; Manganese oxide; Neodymium; Paradise_North; Paradise_South; Phosphate_Hill; Phosphorite; Phosphorus pentoxide; Potassium oxide; Praseodymium; Rare-earth elements; ROCK; Rock sample; Samarium; Sample code/label; Sherrin_Creek; Silicon dioxide; Sodium oxide; Strontium oxide; Terbium; Thorium; Thulium; Titanium dioxide; Total; Uranium; Whole rock geochemistry; Ytterbium; Yttrium; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 1327 data points
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    DATA PANGAEA
  • 3
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    Electron microprobe data of carbonate fluorapatite pellets from the Phosphate Hill phosphorite prospect in the Georgina Basin (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-12
    Keywords: Aluminium; Aluminium oxide; Barium; Barium oxide; Calcium; Calcium oxide; Cerium; Cerium oxid; Chlorine; Date of determination; Electron micro probe analyser (EMPA); Fluorine; Gadolinium; Gadolinium oxide; Georgina Basin; Iron; Iron oxide, Fe2O3; Lanthanum; Lanthanum oxide; Laser Ablation; LATITUDE; LONGITUDE; Magnesium; Magnesium oxide; Manganese; Manganese oxide; Mineral name; Neodymium; Neodymium oxid; Oxygen; Phosphorite; Phosphorus; Phosphorus pentoxide; Sample ID; Silicon; Silicon dioxide; Site; Sodium; Sodium oxide; Strontium; Strontium oxide; Sulfur; Sulfur trioxide; Total; Whole rock geochemistry; Yttrium; Yttrium oxide
    Type: Dataset
    Format: text/tab-separated-values, 1764 data points
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    DATA PANGAEA
  • 4
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    Whole rock geochemistry of the basement rocks that underlie the Georgina Basin (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-12
    Keywords: Aluminium; Aluminium oxide; Antimony; Ardmore; Area/locality; Arsenic; Barium; Barr_Creek; Beryllium; Bismuth; Boron; Cadmium; Caesium; Calcium; Calcium oxide; Cerium; Chromium; Cobalt; Copper; DTREE; Duchess; Dysprosium; Erbium; Europium; Gadolinium; Georgina Basin; Hafnium; Holmium; Inductively coupled plasma - mass spectrometry (ICP-MS); Iron; Iron oxide, Fe2O3; Lanthanum; Laser Ablation; LATITUDE; Lead-208; Lily_Creek; Lithium; Lithium borate fusion; acid digestion; LONGITUDE; Lutetium; Magnesium; Magnesium oxide; Manganese; Manganese oxide; Molybdenum; Neodymium; Nickel; Niobium; Paradise_North; Paradise_South; Phosphate_Hill; Phosphorite; Phosphorus; Phosphorus pentoxide; Potassium; Potassium oxide; Praseodymium; Rhenium; ROCK; Rock sample; Rock type; Rubidium; Samarium; Sample ID; Scandium; Sherrin_Creek; Silicon; Silicon dioxide; Sodium; Sodium oxide; Strontium; Tantalum; Tellurium; Terbium; Thallium; Thorium; Thulium; Tin; Titanium; Titanium dioxide; Total; Uranium; Vanadium; Whole rock geochemistry; Ytterbium; Yttrium; Zinc; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 837 data points
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    DATA PANGAEA
  • 5
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    Whole rock geochemistry, electron microprobe and laser ablation ICP-MS geochemistry of the Georgina Basin phosphorites (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-12
    Description: This dataset comprises whole rock geochemistry of the Georgina Basin (Queensland, northern Australia) phosphorites and their locations, along with the underlying basement rocks (Sybella Granites, Proterozoic Schists and McNamarra Group metasediments of the Lawn Hill Platform). Phosphorite samples were collected in 2020 by the Geological Survey of Queensland from drillholes provided by individual companies that hold the tenements over the analysed prospects (Ardmore, Phosphate Hill, Duchess, Lily Creek, Sherrin Creek, DTREE, Barr Creek, Paradise North and Paradise South). Basement rock sample were collected during a field campaign in June-July 2021. Whole rock geochemistry was obtained through external laboratory (ALS Global) using lithium borate fusion method, with full dataset published previously by authors (Valetich et al., 2022 - Chemical Geology, v.588, 120654). Laser ablation and microprobe geochemistry of the individual phosphate (carbonate fluorapatite) clasts (phosclasts and microcrystalline carbonate fluorapatite) was carried out at Adelaide Microscopy (The University of Adelaide) using the procedures detailed in the publication linked to this dataset in the Geochemistry, Geophysics, Geosystems (G Cubed) journal.
    Keywords: Georgina Basin; Laser Ablation; Phosphorite; Whole rock geochemistry
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 6
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    Laser ablation ICPMS trace element data of microcrystalline carbonate fluorapatite and individual peloids (phosclasts) of the granular phosphorites from the Georgina Basin phosphorite prospects (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-12
    Keywords: Aluminium; Ardmore; Area/locality; Barium; Cerium; Duchess; Dysprosium; Erbium; Europium; Event label; Gadolinium; Georgina Basin; Holmium; Iron; LA-ICP-MS; Lanthanum; Laser Ablation; Laser ablation, Inductively coupled plasma mass spectrometry; LATITUDE; Lead; LONGITUDE; Lutetium; Magnesium; Neodymium; Paradise_South; Phosphate_Hill; Phosphorite; Praseodymium; Rare-earth elements; ROCK; Rock sample; Samarium; Sample comment; Sample ID; Sodium; Strontium; Terbium; Thorium; Thulium; Uranium; Whole rock geochemistry; Ytterbium; Yttrium
    Type: Dataset
    Format: text/tab-separated-values, 11774 data points
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    DATA PANGAEA
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