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Biomediation of calcrete at the gold anomaly of the Barns prospect, Gawler Craton, South Australia

Date

Authors

Mumm, Andreas Schmidt

Reith, Frank

Publisher

Elsevier

Abstract

Anomalously high Au concentrations (2.5 to 50 ppb) in regolith carbonate accumulations, such as calcrete and calcareous sands in aeolian sand dunes overlying Au mineralisation of the Gawler Craton, South Australia, show a marked covariance of Au with K,

Keywords

Keywords: Aeolian dunes; Calcrete; Hydrothermal mineralisation; Cathodoluminescence; Crystalline materials; Geochemistry; Mineralogy; Petrography; Trace elements; Urea; Gold; calcrete; dune; eolian deposit; gold; mineralization; regolith; sediment chemistry; Austra Biochemistry; Calcrete; Gawler Craton; Gold anomaly; Trace elements; Urease

URI

http://hdl.handle.net/1885/39589

Collections

ANU Research Publications

Source

Journal of Geochemical Exploration

Type

Journal article

DOI

10.1016/j.gexplo.2006.06.003

Restricted until

2037-12-31

Downloads

File

Description

01_Mumm_Biomediation_of_calcrete_at_2007.pdf (1.93 MB)