Geometric and depositional responses of carbonate build-ups to Miocene sea level and regional tectonics offshore northwest Australia

Van Tuyl, James, Alves, Tiago ORCID: https://orcid.org/0000-0002-2765-3760 and Cherns, Lesley ORCID: https://orcid.org/0000-0002-9052-3213 2018. Geometric and depositional responses of carbonate build-ups to Miocene sea level and regional tectonics offshore northwest Australia. Marine and Petroleum Geology 94 , pp. 144-165. 10.1016/j.marpetgeo.2018.02.034

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Abstract

The geometric and depositional responses of isolated carbonate build-ups to Miocene sea-level change and regional tectonics was investigated using a combination of 3D seismic and borehole data from the Browse Basin, North West Australia, and outcrop information from the Cariatiz Reef, southeast Spain. The interpreted seismic volume documents five (5) Miocene sequence boundaries and five (5) main seismic facies. Seismic attribute analyses proved a highly effective tool for interpreting carbonate facies but, when compared with outcrop information from southeast Spain, data are limited to large-scale features of scales beyond 16.4 m vertically and 18.75 m horizontally. Hence, this work clearly shows that estimations of reservoir potential are significantly underestimated if based on seismic data alone. As a corollary of the structural analysis in this work, growth patterns suggest Messinian structural partitioning across the Browse Basin, with deformation associated with plate collision focused in preferentially orientated faults - thus only influencing carbonate build-up evolution at a local scale.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Earth and Environmental Sciences
Publisher:	Elsevier
ISSN:	0264-8172
Funders:	Natural Environment Research Council, FCT - Portugal
Date of First Compliant Deposit:	11 March 2018
Date of Acceptance:	24 February 2018
Last Modified:	03 May 2023 13:03
URI:	https://orca.cardiff.ac.uk/id/eprint/109806

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