Citation

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Nicoll, R.S. & Gorter, J.D., 1995. Devonian-Carboniferous stratigraphy of Quail 1, Carnarvon Basin, Western Australia: regional implications for geohistory and hydrocarbon prospectivity. AGSO Journal of Australian Geology and Geophysics  15:4:413-420. Australian Geological Survey Organisation, Canberra.

Abstract

The recovery of conodonts from cores in the onshore Carnarvon Basin petroleum exploration well Quail 1 has lead to a revision of the subsurface Devonian-Carboniferous stratigraphic interpretation in the basin. The Moogooree Limestone is absent in the well; instead, a major unconformity, representing a hiatus of at least 12 million years-the entire Tournaisian Series- separates the Frasnian Gneudna Formation and the Visean Yindagindy Formation. A significant part of the Late Devonian Famennian Stage may also be missing. This suggests that the Wandagee-Yanrey Ridge may be as old as Late Devonian. The Quail Formation is here recognised as a lateral equivalent of the outcropping Harris Sandstone, as originally defined. The Austin Formation is recognised as the base of the Lyons Group. Evaluation of conodont thermal maturation data indicates a former high heat flow in the southern and central parts of the basin, and suggests that some of the Early to Middle Palaeozoic section is overmature for hydrocarbons. The high heat flow may have been related to Jurassic volcanism, represented by the alkali picrites of the Wandagee Province.
Google map showing geographic bounding box with values North bound -19.0 East bound 117.0 West bound 112.0 South bound -29.0
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Creative Commons Attribution 3.0 Australia Licence

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Date (publication)

1995

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Earth Sciences

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English

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East bound
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West bound
112.0
South bound
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2014-06-23

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