Journal article
Cenozoic structural history of the Gippsland Basin: Early Oligocene onset for compressional tectonics in SE Australia
Elizabeth M Mahon, Malcolm W Wallace
Marine and Petroleum Geology | ELSEVIER SCI LTD | Published : 2020
Abstract
The Gippsland Basin contains some of the largest hydrocarbon accumulations in Australia, and has been in production since the 1920's. These hydrocarbons are trapped by large growth anticlines offshore, in reservoirs of the Cretaceous to Eocene-aged Latrobe Group. Despite the obvious importance of these growth anticlines, the timing of their formation, and the overall Cenozoic tectonic history of the basin is not well understood. Here, we present a detailed growth strata analysis of the faults and anticlines within the Cenozoic sediments of the Gippsland Basin. This indicates two major phases of tectonism in the basin: 1. Late Cretaceous to Eocene extension, and 2. Oligocene to Holocene compr..
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Funding Acknowledgements
We would like to thank IHS Markit for their donation of the Kingdom seismic interpretation software. E. Mahon is supported by a Baragwanath Geology Research Scholarship, and the Melbourne Research Scholarship as part of the Australian Government Research Training Programme Scholarship, in addition to the AAPG Foundation Grants-in-Aid Chandler and Laura Wilhelm Named Grant, and the Geological Society of Australia (Victorian Division) Postgraduate Grant. We would like to thank two anonymous reviewers and the editor Adam Bumby for their helpful and constructive comments that significantly "improved the manuscript.