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Multi-Media Geochemical Exploration in the Critical Zone: A Case Study over the Prairie and Wolf Zn–Pb Deposits, Capricorn Orogen, Western Australia.

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Title: Multi-Media Geochemical Exploration in the Critical Zone: A Case Study over the Prairie and Wolf Zn–Pb Deposits, Capricorn Orogen, Western Australia.
Authors: Henne, Anicia, Reid, Nathan, Thorne, Robert L., Spinks, Samuel C., Pinchand, Tenten, White, Alistair
Source: Minerals (2075-163X); Nov2021, Vol. 11 Issue 11, p1174-1174, 1p
Subject Terms: PROSPECTING, HYDROTHERMAL deposits, GEOCHEMISTRY, FAULT zones, GROUNDWATER sampling, PRAIRIES, SILVER
Geographic Terms: WESTERN Australia
Abstract: In this study, we compared traditional lithochemical sample media (soil) with hydrochemical (groundwater), biogeochemical (plant matter of mulga and spinifex), and other near-surface sample media (ferro-manganese crust), in a case study applied to mineral exploration in weathered terrain, through the critical zone at the fault-hosted Prairie and Wolf Zn–Pb (Ag) deposits in Western Australia. We used multi-element geochemistry analyses to spatially identify geochemical anomalies in samples over known mineralization, and investigated metal dispersion processes. In all near-surface sample media, high concentrations of the metals of interest (Zn, Pb, Ag) coincided with samples proximal to the mineralization at depth. However, the lateral dispersion of these elements differed from regional (several km; groundwater) to local (several 100′s of meters; solid sample media) scales. Zinc in spinifex leaves over the Prairie and Wolf deposits exceeded the total concentrations in all other sample media, while the metal concentrations in mulga phyllodes were not as pronounced, except for Ag, which exceeded the concentrations in all other sample media. These observations indicate potential preferential metal-specific uptake by different media. Pathfinder elements in vegetation and groundwater samples also indicated the Prairie Downs fault zone at the regional (groundwater) and local (vegetation) scale, and are, therefore, potentially useful tools to trace fault systems that host structurally controlled, hydrothermal Zn–Pb mineralization. [ABSTRACT FROM AUTHOR]
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  Data: Multi-Media Geochemical Exploration in the Critical Zone: A Case Study over the Prairie and Wolf Zn–Pb Deposits, Capricorn Orogen, Western Australia.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Henne%2C+Anicia%22">Henne, Anicia</searchLink><br /><searchLink fieldCode="AR" term="%22Reid%2C+Nathan%22">Reid, Nathan</searchLink><br /><searchLink fieldCode="AR" term="%22Thorne%2C+Robert+L%2E%22">Thorne, Robert L.</searchLink><br /><searchLink fieldCode="AR" term="%22Spinks%2C+Samuel+C%2E%22">Spinks, Samuel C.</searchLink><br /><searchLink fieldCode="AR" term="%22Pinchand%2C+Tenten%22">Pinchand, Tenten</searchLink><br /><searchLink fieldCode="AR" term="%22White%2C+Alistair%22">White, Alistair</searchLink>
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  Data: Minerals (2075-163X); Nov2021, Vol. 11 Issue 11, p1174-1174, 1p
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  Group: Su
  Data: <searchLink fieldCode="DE" term="%22PROSPECTING%22">PROSPECTING</searchLink><br /><searchLink fieldCode="DE" term="%22HYDROTHERMAL+deposits%22">HYDROTHERMAL deposits</searchLink><br /><searchLink fieldCode="DE" term="%22GEOCHEMISTRY%22">GEOCHEMISTRY</searchLink><br /><searchLink fieldCode="DE" term="%22FAULT+zones%22">FAULT zones</searchLink><br /><searchLink fieldCode="DE" term="%22GROUNDWATER+sampling%22">GROUNDWATER sampling</searchLink><br /><searchLink fieldCode="DE" term="%22PRAIRIES%22">PRAIRIES</searchLink><br /><searchLink fieldCode="DE" term="%22SILVER%22">SILVER</searchLink>
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this study, we compared traditional lithochemical sample media (soil) with hydrochemical (groundwater), biogeochemical (plant matter of mulga and spinifex), and other near-surface sample media (ferro-manganese crust), in a case study applied to mineral exploration in weathered terrain, through the critical zone at the fault-hosted Prairie and Wolf Zn–Pb (Ag) deposits in Western Australia. We used multi-element geochemistry analyses to spatially identify geochemical anomalies in samples over known mineralization, and investigated metal dispersion processes. In all near-surface sample media, high concentrations of the metals of interest (Zn, Pb, Ag) coincided with samples proximal to the mineralization at depth. However, the lateral dispersion of these elements differed from regional (several km; groundwater) to local (several 100′s of meters; solid sample media) scales. Zinc in spinifex leaves over the Prairie and Wolf deposits exceeded the total concentrations in all other sample media, while the metal concentrations in mulga phyllodes were not as pronounced, except for Ag, which exceeded the concentrations in all other sample media. These observations indicate potential preferential metal-specific uptake by different media. Pathfinder elements in vegetation and groundwater samples also indicated the Prairie Downs fault zone at the regional (groundwater) and local (vegetation) scale, and are, therefore, potentially useful tools to trace fault systems that host structurally controlled, hydrothermal Zn–Pb mineralization. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of Minerals (2075-163X) is the property of MDPI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.3390/min11111174
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: 1174
    Subjects:
      – SubjectFull: WESTERN Australia
        Type: general
      – SubjectFull: PROSPECTING
        Type: general
      – SubjectFull: HYDROTHERMAL deposits
        Type: general
      – SubjectFull: GEOCHEMISTRY
        Type: general
      – SubjectFull: FAULT zones
        Type: general
      – SubjectFull: GROUNDWATER sampling
        Type: general
      – SubjectFull: PRAIRIES
        Type: general
      – SubjectFull: SILVER
        Type: general
    Titles:
      – TitleFull: Multi-Media Geochemical Exploration in the Critical Zone: A Case Study over the Prairie and Wolf Zn–Pb Deposits, Capricorn Orogen, Western Australia.
        Type: main
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          Name:
            NameFull: Henne, Anicia
      – PersonEntity:
          Name:
            NameFull: Reid, Nathan
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            NameFull: Thorne, Robert L.
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            NameFull: Spinks, Samuel C.
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            NameFull: Pinchand, Tenten
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            NameFull: White, Alistair
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            – D: 01
              M: 11
              Text: Nov2021
              Type: published
              Y: 2021
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              Value: 11
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              Value: 11
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            – TitleFull: Minerals (2075-163X)
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