Neoproterozoic and Cambrian chemostratigraphic mega-sequences of the Officer Basin; a regional framework to assist petroleum and mineral exploration
Well and seismic correlation schemes exist for the Western Australian and South Australian parts of the Officer Basin but there are inconsistencies between the western and eastern regions. Hence, as part of the Exploring for the Future Officer-Musgrave Project, a chemostratigraphic correlation has been determined for the sedimentary fill of the Officer Basin with emphasis on Neoproterozoic to Cambrian rocks. The correlations have been developed on whole rock inorganic geochemical data obtained from the analysis of 10 study wells which span the basin from Western Australia and into South Australia. A total of 8 chemostratigraphic mega-sequences (MS) are recognised across the basin, that in turn are subdivided into a total of 24 chemostratigraphic sequences. MS1 to MS6 include the Neoproterozoic to Cambrian sedimentary rocks and are the focus of this study. The Neoproterozoic–Cambrian mega-sequences MS1 to MS4 broadly correspond to the previously defined Centralian supersequences CS1 to CS4 and provide robust well-control to the regional seismic correlations. Confidence in the correlation of these old rocks are important since they contain both potential source and reservoir rocks for petroleum generation and accumulation. MS7 is equivalent to the Permian Paterson Formation, while MS8 is equivalent to the Mesozoic section. The elemental data has also been used to elucidate aspects of the petroleum system by characterising reservoirs and identifying fine-grained siliciclastics deposited in anoxic environments which may have source potential. This work is expected to further improve geological knowledge and reduce the energy exploration risk of the Officer Basin, a key focus of this program.
<b>Citation:</b> Edwards D.S., Munday S., Wang L., Riley D. & Khider K., 2022. Neoproterozoic and Cambrian chemostratigraphic mega-sequences of the Officer Basin; a regional framework to assist petroleum and mineral exploration. In: Czarnota, K. (ed.) Exploring for the Future: Extended Abstracts, Geoscience Australia, Canberra, https://dx.doi.org/10.26186/146285
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Identification info
- Date (Creation)
- 2022-02-07T15:24:00
- Date (Publication)
- 2022-08-07T23:01:40
- Citation identifier
- Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/146285
- Citation identifier
- Digital Object Identifier/https://dx.doi.org/10.26186/146285
- Cited responsible party
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Role Organisation / Individual Name Details Author Edwards, D.
MEG Internal Contact Author Munday, S.
Chemostrat Australia Pty. Ltd. External Contact Author Wang, L.
MEG Internal Contact Author Riley, D.
Chemostrat Australia Pty. Ltd. External Contact Author Khider, K.
MEG Internal Contact Publisher Commonwealth of Australia (Geoscience Australia)
Voice
- Purpose
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Publish results in EFTF Volume 2
- Status
- Completed
- Point of contact
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Role Organisation / Individual Name Details Point of contact Commonwealth of Australia (Geoscience Australia)
Voice Point of contact Edwards, D.
MEG Internal Contact Resource provider Minerals, Energy and Groundwater Division
External Contact
- Spatial representation type
- Topic category
-
- Geoscientific information
Extent
Temporal extent
- Time period
- 2022-04-01 2022-07-12
Extent
))
- Maintenance and update frequency
- As needed
Resource format
- Title
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Product data repository: Various Formats
- Website
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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
- theme.ANZRC Fields of Research.rdf
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GEOCHEMISTRY
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EARTH SCIENCES
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- Theme
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chemostratigraphy
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- Place
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Officer Basin
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- Discipline
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carbon isotopes
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- Keywords
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EFTF
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- Project
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Exploring for the Future
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- Project
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Officer-Musgrave
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- Keywords
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Published_External
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Resource constraints
- Title
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Creative Commons Attribution 4.0 International Licence
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CC-BY
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4.0
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- License
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- Title
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Australian Government Security ClassificationSystem
- Edition date
- 2018-11-01T00:00:00
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- Unclassified
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- Association Type
- Was informed by
- Title
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Defining a chemostratigraphic framework for the Officer Basin. Inorganic and stable isotopic analyses of ten petroleum wells from Western Australia and South Australia
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- 145387
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- 1f8d63bb-a787-43ee-afdd-8faab83afbf2
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- English
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Distribution Information
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Role Organisation / Individual Name Details Distributor Commonwealth of Australia (Geoscience Australia)
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Extended Abstract for download (pdf) [2.5 MB]
Extended Abstract for download (pdf) [2.5 MB]
- Distribution format
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pdf
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Resource lineage
- Statement
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Release of geological interpretations of the chemostratigraphy and isotopic compositions of sedimentary rocks from 10 Officer Basin wells analysed under contract by Chemostrat Australia
Metadata constraints
- Title
-
Australian Government Security Classification System
- Edition date
- 2018-11-01T00:00:00
- Classification
- Unclassified
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urn:uuid/36a31366-1efd-4cd1-b33d-481515971bd8
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Role Organisation / Individual Name Details Point of contact Commonwealth of Australia (Geoscience Australia)
Voice Owner Edwards, D
Geoscience Australia Internal Contact Point of contact Edwards, D.
MEG Internal Contact
Type of resource
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- Document
- Name
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GA publication: EFTF Volume 2 Extended Abstract
Alternative metadata reference
- Title
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Geoscience Australia - short identifier for metadata record with
uuid
- Citation identifier
- eCatId/146285
- Date info (Creation)
- 2019-04-08T01:55:29
- Date info (Revision)
- 2019-04-08T01:55:29
Metadata standard
- Title
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AU/NZS ISO 19115-1:2014
Metadata standard
- Title
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ISO 19115-1:2014
Metadata standard
- Title
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ISO 19115-3
- Title
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Geoscience Australia Community Metadata Profile of ISO 19115-1:2014
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Version 2.0, September 2018
- Citation identifier
- https://pid.geoscience.gov.au/dataset/ga/122551