Data

Insights into the formation of the Stuart Shelf iron-oxide-copper-gold (uranium) system from magnetotellurics

National Computational Infrastructure
Graham Heinson ; Data Collections Team, NCI Australia
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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:doi10.4225/41/5a7a2b38afd16&rft.title=Insights into the formation of the Stuart Shelf iron-oxide-copper-gold (uranium) system from magnetotellurics&rft.identifier=10.4225/41/5a7a2b38afd16&rft.publisher=NCI Australia&rft.description=The Gawler Craton, South Australia, is host to many economic ore resources. Of which, iron oxide copper-gold deposits, such as Olympic Dam, Carrapateena and Wirrda Well, stand out due to the quality and abundance of their ore resources. Understanding the mechanisms of their formation is vital for defining exploration models for future development. 166 stations of magnetotelluric data at periods between10^1-10^4 seconds have been used to produce three, 2D models that provide insight into the electrical conductivity of the sub-surface beneath the Stuart Shelf. Links between corresponding regions of conductivity across profiles are shown by faults. It is suggested here that the faults are the fluid flow pathways for the mineralizing hydrothermal fluids. These fluids have been derived from the mantle and the surface in two phases of fluid flow causing both deposition and destruction of graphite respectively.This record was harvested by RDA at 2025-04-18T16:34:32.309+10:00 from NCI's Data Catalogue where it was last modified at 2019-07-15 14:18:23.NA&rft.creator=Graham Heinson &rft.creator=Data Collections Team, NCI Australia &rft.date=2019&rft.edition=v1&rft.coverage=northlimit=-29.9; southlimit=-32.4; westlimit=136.75; eastLimit=138&rft.coverage=northlimit=-29.9; southlimit=-32.4; westlimit=136.75; eastLimit=138&rft_rights= https://creativecommons.org/licenses/by/4.0/&rft_rights=Creative Commons Attribution 4.0 International&rft_subject=geoscientificInformation&rft_subject=magnetotellurics, electrical resistivity, impedance, long period, stuart shelf&rft.type=dataset&rft.language=English Access the data
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This record was harvested by RDA at 2025-04-18T16:34:32.309+10:00 from NCI's Data Catalogue where it was last modified at 2019-07-15 14:18:23.

Full description

The Gawler Craton, South Australia, is host to many economic ore resources. Of which, iron oxide copper-gold deposits, such as Olympic Dam, Carrapateena and Wirrda Well, stand out due to the quality and abundance of their ore resources. Understanding the mechanisms of their formation is vital for defining exploration models for future development. 166 stations of magnetotelluric data at periods between10^1-10^4 seconds have been used to produce three, 2D models that provide insight into the electrical conductivity of the sub-surface beneath the Stuart Shelf. Links between corresponding regions of conductivity across profiles are shown by faults. It is suggested here that the faults are the fluid flow pathways for the mineralizing hydrothermal fluids. These fluids have been derived from the mantle and the surface in two phases of fluid flow causing both deposition and destruction of graphite respectively.

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Created: 15 07 2019

Issued: 15 07 2019

Modified: 12 01 2023

Data time period: 2009 to 2009

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138,-29.9 138,-32.4 136.75,-32.4 136.75,-29.9 138,-29.9

137.375,-31.15

text: northlimit=-29.9; southlimit=-32.4; westlimit=136.75; eastLimit=138

Subjects
geoscientificInformation | magnetotellurics, electrical resistivity, impedance, long period, stuart shelf |

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Other Information
Weber, S., 2010. Insights into the formation of the Stuart Shelf iron-oxide-copper-gold (uranium) system from magnetotellurics (Honors dissertation)

handle : https://hdl.handle.net/2440/106281

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