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Exploring for the Future: Kidson Sub-basin seismic interpretation  


Authors / CoAuthors

Southby, C. | Carr, L.K. | Henson, P. | Haines, P.W. | Zhan, A. | Anderson, J.R. | MacFarlane, S. | Fomin, T. | Costelloe, R.

Abstract

The Kidson Sub-basin covers ~91 000 km2, and is a largely under-explored and sparsely imaged region of the Canning Basin in northern Western Australia. The 872 km Kidson Sub-basin seismic survey was acquired to enhance understanding of the subsurface and thereby assist in the assessment of the region for hydrocarbon and mineral potential. Specifically, the survey aimed to improve basin-wide stratigraphic correlation, determine the extent of basin depocentres, image major structures and place constraints on the sub-basin’s geological event history. The new seismic profile reveals that the Kidson Sub-basin is ~500 km long and ~6.5 km deep. It contains a lower conformable package of Ordovician to Devonian clastic sediments, carbonates and evaporites unconformably overlain by the clastic-dominated Permian Grant Group and Poole Sandstone. Normal faults imaged at the base of the sequence with growth strata in the hanging wall constrain rifting to between Cambrian and Silurian in age. Folding along the southeastern edge of the basin is inferred to be a consequence of the Carboniferous Meda Transpression linked to the Alice Springs Orogeny in central Australia. The known source rocks of the Goldwyer and Bongabinni formations have been interpreted to extend across the Kidson Sub-basin, which is encouraging for energy prospectivity in the region. <b>Citation:</b> Southby, C., Carr, L.K., Henson, P., Haines, P.W., Zhan, A., Anderson, J.R., MacFarlane, S., Fomin, T. and Costelloe, R., 2020. Exploring for the Future: Kidson Sub-basin seismic interpretation. In: Czarnota, K., Roach, I., Abbott, S., Haynes, M., Kositcin, N., Ray, A. and Slatter, E. (eds.) Exploring for the Future: Extended Abstracts, Geoscience Australia, Canberra, 1–4.

Product Type

document

eCat Id

132743

Contact for the resource

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Commonwealth of Australia (Geoscience Australia)  
Cnr Jerrabomberra Ave and Hindmarsh Dr GPO Box 378
Canberra
ACT
2601
Australia

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Digital Object Identifier

http://dx.doi.org/10.11636/132743

Keywords

theme.ANZRC Fields of Research.rdf
  • EARTH SCIENCES
( Place )
  • Kidson Sub-basin
( Discipline )
  • Seismic Interpretation
( Place )
  • Canning Basin
( Process )
  • Deep crustal seismic
( Discipline )
  • Basins
( Project )
  • EFTF
( Project )
  • Exploring for the Future
  • Published_External

Publication Date

2020-06-18T03:31:59

Creation Date

2019-12-06T10:31:00

Security Constraints

Australian Government Security ClassificationSystem    

Classification - unclassified

Legal Constraints

Creative Commons Attribution 4.0 International Licence    

Access - license

Use - license

Status

completed

Purpose

Abstract for EFTF publication

Maintenance Information

asNeeded

Topic Category

geoscientificInformation

Series Information

Lineage

The Kidson Sub-basin seismic survey was planned to address a lack of coherent seismic data and to increase the resource prospectivity of the region. Acquisition of deep crustal seismic reflection data in the Kidson Sub-basin was conducted between June and August 2018. We present preliminary geological interpretations of this newly acquired dataset and anticipate that this new information will enable a better understanding of the geological evolution of the Canning Basin.

Parent Information

Extents

[-24.00, -18.00, 119.00, 128.00]

Reference System

Spatial Resolution

Service Information

Associations

Downloads and Links

Extended Abstract for download (pdf) [2.8MB]  

Source Information



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