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Origin of Petroleum in the Bowen and Surat Basins : Implications for Source, Maturation and Migration

Created 03/03/2026

Updated 03/03/2026

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natural gases and 130 core samples from potential source rocks enable resolution of the generation and migration history of petroleum in the Bowen and Surat basins. Biomarker analysis confirmed a pre-Jurassic source for the petroleum.Stable carbon-isotope analysis further indicated a Permian-sourced petroleum and was able to differentiate a very minor and localised Triassic source contribution.The dominant source for the petroleum is terrestrial land plants as well as a minor marine source influence. Lower delta plain and alluvial Permian coals show thehigher liquid potential compared with upper delta plain facies. Initial liquid expulsion from the source rock occurred at vitrinite reflectance 0.65-0.7% and continued to Ro of 1.05%. This was followed by the main phase of gas generation between1.05c/o

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Field Value
Title Origin of Petroleum in the Bowen and Surat Basins : Implications for Source, Maturation and Migration
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/f4154a61-b78b-475d-b783-6d5679aa615f
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage Australia
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Origin of Petroleum in the Bowen and Surat Basins : Implications for Source, Maturation and Migration". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/origin-of-petroleum-in-the-bowen-and-surat-basins-implications-for-source-maturation-and-migrat7