Citation

Geoscience Australia provides most of its products for free under a Creative Commons Attribution 3.0 Australia Licence. We only require that you reference the use of our data or information using the following citation:
Gorter, J.D., 1978. Triassic environments in the Canning Basin, Western Australia. BMR Journal of Australian Geology and Geophysics  3:1:25-33. Bureau of Mineral Resources, Geology and Geophysics, Canberra.

Abstract

A review of the lithology, sedimentary structures and palaeontology, supplemented by original investigations, suggests that the Triassic system in the Canning Basin can be subdivided into four broad environmental episodes. The sequence records a slow transgression culminating in the Smithian, when the riverine plain in the southeastern Fitzroy Graben was drowned. The resulting shallow embayment in the Fitzroy Graben supported a much impoverished marine biota, made up of species tolerant of reduced saline conditions caused by substantial run-off of fresh water from surrounding streams. A regression began in the Spathian and continued throughout the later Triassic, although there were minor transgressions with marine incursions: the environment evolved into a low-relief coastal alluvial plain, with meandering streams and lakes. A general trend to increasing aridity is evident, with an increase red beds, and is correlated with the withdrawal of the Blina Sea. Finally in Ladinian time the region became an area of non-deposition and remained so until the early Jurassic.
Google map showing geographic bounding box with values North bound -16.0 East bound 129.0 West bound 117.5 South bound -21.0
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nonGeographicDataset - GA Publication - Journal

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license
Creative Commons Attribution 4.0 International Licence

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Commonwealth of Australia (Geoscience Australia)

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Date (publication)

1978

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geoscientificInformation

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GA Publication
Journal
Earth Sciences

Resource Language

English

Resource Character Set

utf8

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unclassified

Geographic Extent

North bound
-16.0
East bound
129.0
West bound
117.5
South bound
-21.0

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Unknown

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onLine

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pdf

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fae9173a-6f8b-71e4-e044-00144fdd4fa6

Metadata Standard Name

ANZLIC Metadata Profile: An Australian/New Zealand Profile of AS/NZS ISO 19115:2005, Geographic information - Metadata

Metadata Standard Version

1.1

Metadata Date Stamp

2015-03-23

METADATA SECURITY CLASSIFICATION

unclassified

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pointOfContact
Organisation Name
Geoscience Australia
City
Canberra
Administrative Area
ACT
Postal Code
2601
Country
Australia
Email Address
Downloads
For information on acquiring this product,
please contact Geoscience Australia Client Services via:

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phone:
1800 800 173 (within Australia);
 
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