Structural styles and basin evolution in Eromanga region, eastern Australia

D. M. Finlayson, J. H. Leven, M. A. Etheridge

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


The Eromanga region of eastern Australia has undergone at least four major tectonic cycles, the results of which are recognized in the structures seen on seismic sections. The dominant style of deformation evident from the seismic sections is that seen across high-angle thrust faults in other parts of the world, with the amount of overthrusting being comparatively small. Generally, the maximum throw on faults in the Devonian strata can be measured in thousands of meters, whereas those in the Permian Triassic and Jurassic-Cretaceous strata are a few hundred meters at most. Small strike-slip movements are interpreted as partially decoupling events from neighboring provinces. The Canaway, Cunnavalla, Warrego, and Warbreccan faults are interpreted as playing an important role. The basin-modifying tectonic episodes within the lithosphere control structural style. These relatively small-scale events have resulted in structures that provide attractive petroleum prospects. -from Authors

Original languageEnglish
Pages (from-to)33-48
Number of pages16
JournalAmerican Association of Petroleum Geologists Bulletin
Issue number1
Publication statusPublished - 1988
Externally publishedYes


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