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Carbon, hydrogen and helium isotope systematics of natural gases from the onshore and offshore Perth Basin, Australia

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Created 13/01/2025

Updated 13/01/2025

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From the beginning of petroleum exploration in the Perth Basin, the importance of the Early Triassic marine Kockatea Shale was recognised as the principal source for liquid petroleum in the onshore northern Perth Basin (Powell and McKirdy, 1976). Thomas and Barber (2004) constrained the effective source rock to a Early Triassic, middle Sapropelic Interval in the Hovea Member of the lower Kockatea Shale. In addition, Jurassic and Permian sourced-oils (Summons et al., 1995) demonstrate local effective non-Kockatea source rocks. However, evidence for multiple effective gas source rocks is limited. This study utilizes the molecular composition and carbon and hydrogen isotopic compositions of 34 natural gases from the Perth Basin, extending the previous study (Boreham et al., 2001) to the offshore and includes hydrogen isotopes and gases. It shows the existence of Jurassic to Permain gas systems in the Perth Basin.

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Title Carbon, hydrogen and helium isotope systematics of natural gases from the onshore and offshore Perth Basin, Australia
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/1306dcf3-b8c8-4113-8e01-076619768899
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[109.63473826646808, -32.175612478500874], [116.57809764146806, -32.175612478500874], [116.57809764146806, -27.13736835979722], [109.63473826646808, -27.13736835979722], [109.63473826646808, -32.175612478500874]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Carbon, hydrogen and helium isotope systematics of natural gases from the onshore and offshore Perth Basin, Australia". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/carbon-hydrogen-and-helium-isotope-systematics-of-natural-gases-from-the-onshore-and-offshore-p

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