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Hydrogeochemistry of the Curnamona and Mundi region

<div><strong>Output Type: </strong>Exploring for the Future Extended Abstract</div><div><br></div><div><strong>Short Abstract: </strong>Groundwater geochemistry is an important and often under-appreciated medium to understand geology below surface and is a valuable tool as part of a regional mineral exploration program. This study presents an assessment of hydrogeochemical results from the Curnamona and Mundi region with respect to their insights into mineral prospectivity and characterisation of groundwater baselines. The work is a collaboration with the Mineral Exploration Cooperative Research Centre (MinEx CRC), the Geological Survey of New South Wales and the Geological Survey of South Australia as part of Geoscience Australia’s Exploring for the Future program. It combines new and legacy groundwater chemistry from 297 samples to identify multiple elevated multi-element anomalies (Ag, Pb, Cd) and signatures of sulfide mineralisation (d34S and sulfur excess), which are interpreted as potential features from subsurface Broken Hill Type mineralisation (Pb-Zn-Ag). Additional multi-element anomalies (Cu, Mo, Co, Au) may be attributable to Cu-Au, Cu-Mo and Au mineralisation. We then apply hierarchical cluster analysis to understand sample hydrostratigraphy and characterise robust hydrogeochemical baselines for the major aquifer systems in the region. This reveals that the majority of anomalies are restricted to groundwaters derived from basement fractured rock aquifer systems, with a couple anomalies observed in the Lake Eyre Basin cover, which helps narrow the search-space for future groundwater-based mineral exploration in this region (to prioritise these aquifers and anomalies). In addition, we demonstrate the capability of these local hydrogeochemical baselines to support more sensitive resolution of hydrogeochemical anomalies relating to mineralisation, as well as reveal hydrogeological processes such as mixing.</div><div><br></div><div><strong>Citation: </strong>Reid, N., Schroder, I., Thorne, R., Folkes, C., Hore, S., Eastlake, M., Petts, A., Evans, T., Fabris, A., Pinchand, T., Henne A., & Palombi, B.R., 2024. Hydrogeochemistry of the Curnamona and Mundi region. In: Czarnota, K. (ed.) Exploring for the Future: Extended Abstracts. Geoscience Australia, Canberra. https://doi.org/10.26186/149509</div>

Simple

Identification info

Date (Creation)
2024-05-17T12:00:00
Date (Publication)
2024-08-11T22:56:48
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/149509

Citation identifier
Digital Object Identifier/https://dx.doi.org/10.26186/149509

Cited responsible party
Role Organisation / Individual Name Details
Publisher

Commonwealth of Australia (Geoscience Australia)

Voice
Author

Reid, N.

External Contact
Author

Schroder, I.

Internal Contact
Author

Thorne, R.

External Contact
Author

Folkes, C.

External Contact
Author

Hore, S.

External Contact
Author

Eastlake, M.

External Contact
Author

Petts, A.

External Contact
Author

Evans, T.

Internal Contact
Author

Fabris, A.

External Contact
Author

Pinchand, T.

External Contact
Author

Henne, A.

External Contact
Author

Palombi, B.R.

External Contact
Editor

Czarnota, K.

Internal Contact
Purpose

An EFTF extended abstract to capture the application of hydrogeochemistry to characterise aquifers and investigate mineral prospectivity in the Curnamona region

Status
Completed
Point of contact
Role Organisation / Individual Name Details
Resource provider

Minerals, Energy and Groundwater Division

External Contact
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Schroder, I.

Internal Contact
Spatial representation type
Topic category
  • Geoscientific information

Extent

N
S
E
W


Maintenance and update frequency
As needed

Resource format

Title

Product data repository: Various Formats

Website

Data Store directory containing the digital product files

Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes

Project
  • EFTF – Exploring for the Future

Project
  • Darling-Curnamona-Delamerian

Project
  • MinEx CRC – Mineral Exploration Cooperative Research Centre

Keywords
  • Curnamona Province

Keywords
  • groundwater

Keywords
  • hydrogeochemistry

Keywords
  • hydrostratigraphy

Keywords
  • Eromanga Basin

Keywords
  • Lake Eyre Basin

Keywords
  • Mineral exploration

Keywords
  • Exploration geochemistry

Keywords
  • hierarchical clustering

Keywords
  • geochemical indices

Keywords
  • sulfur isotope

theme.ANZRC Fields of Research.rdf
  • Exploration geochemistry

Keywords
  • Published_External

Resource constraints

Title

Creative Commons Attribution 4.0 International Licence

Alternate title

CC-BY

Edition

4.0

Website

https://creativecommons.org/licenses/by/4.0/

Addressee
Role Organisation / Individual Name Details
User

Any

Use constraints
License
Use constraints
Other restrictions
Other constraints

© Commonwealth of Australia (Geoscience Australia) and CSIRO Australia 2024.

Resource constraints

Title

Australian Government Security Classification System

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified
Classification system

Australian Government Security Classification System

Language
English
Character encoding
UTF8

Distribution Information

Distributor contact
Role Organisation / Individual Name Details
Distributor

Commonwealth of Australia (Geoscience Australia)

Voice facsimile
OnLine resource

Extended Abstract for download (pdf) [3.6 MB]

Extended Abstract for download (pdf) [3.6 MB]

Distribution format
  • pdf

    File decompression technique

    nil

OnLine resource

Download supplementary data (zip) [1.6 MB]

Download supplementary data (zip) [1.6 MB]

Distribution format
  • xlsx pdf zip

    File decompression technique

    unzip

Resource lineage

Statement

<div>This work is a collaborative project within the Exploring for the Future Program and the MinEx CRC. CSIRO are project leads, with Geoscience Australia, Geological Survey of South Australia, Geological Survey of New South Wales contributing partners.</div><div>This work utilises previously published groundwater chemistry collected as part of CRC-LEME (Caritat et al. 2022, 2005), and new sampling (Reid et al. 2024)</div>

Metadata constraints

Title

Australian Government Security Classification System

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

Metadata

Metadata identifier
urn:uuid/21c3faab-aa75-41b5-8a3d-398c898058b9

Title

GeoNetwork UUID

Language
English
Character encoding
UTF8
Contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Schroder, I.

Internal Contact

Type of resource

Resource scope
Document
Name

GA Abstract / Fact Sheet

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/149509

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/21c3faab-aa75-41b5-8a3d-398c898058b9

Date info (Creation)
2024-08-08T23:52:33
Date info (Revision)
2024-08-08T23:52:33

Metadata standard

Title

AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
http://pid.geoscience.gov.au/dataset/ga/122551

 
 

Spatial extent

N
S
E
W


Keywords

Darling-Curnamona-Delamerian EFTF – Exploring for the Future MinEx CRC – Mineral Exploration Cooperative Research Centre
theme.ANZRC Fields of Research.rdf
Exploration geochemistry

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