Citation

Jones, P.J. & Young, G.C., 1993. Summary of Phanerozoic Biostratigraphy and Palaeontology of the Canning Basin (Lennard Shelf). Record  1993/004. Australian Geological Survey Organisation, Canberra.

Abstract

Palaeontological and biostratigraphic studies for each Phanerozoic system are briefly summarised for the entire Canning Basin, with emphasis on the Palaeozoic. Biostratigraphic analysis of sixkey wells on the Lennard Shelf (May River 1, Langoora 1, Meda 1, Meda 2, Blackstone 1 and.Mimosa 1) are given in an Appendix. A synthesis of this information has led to the identificationof ten major stratigraphic breaks within the Palaeozoic succession on the Lennard Shelf: 1.The entire Cambrian Period and most of the Tremadocian. 2.Much of the Silurian and the Early Devonian (resulting from an Early Silurian age for theWorral Formation, and a Late Ordovician - earliest Silurian age for the underlying CarribuddyGroup). 3.Within the early Famennian (a break of variable duration in different parts of the study area). 4.WI& the late Famennian (corresponding to the Upper postera, and Lower expansa conodontZones). 5.Within the latest Famennian (Strunian - possibly representing the global sea-level fall in theMiddle praesulcata Zone, just prior to the WC boundary). 6.Within the latest Toumaisian-early Visean (between the Laurel Formation and the AndersonFormation; the least plausible stratigraphic break). 7.Within the latest Visean-early Namurian (representing the maculosa assemblage). 8.The late Westphalian and most or all of the Stephanian (representing the birkheadensis Zone). 9.The early part of the Sterlitamaldan Stage (between the base of the Nura Nura Member of thePoole Sandstone, and the top of the Grant Group. 10.The latest Permian (Dorashamian = Changhsingian) Stage (representing the Protohaploxypinus microcotpus Zone; between the upper part of the Hardman Formation and thelower part of the Blina Shale). Biostratigraphic control provided by conodonts, ostracods, naicrovertebrates and spores hasunderpinned AGSO sequence analyses of seismic and well data for a new interpretation of theoutcropping and subsurface Late Devonian reef complexes. Revised ages effect theunderstanding of the petroleum resource potential in the Ordovician sequence. Some formationswithin the Carribuddy Group may behave as effective seals to source and reservoir rocks in theNita Goldwyer Formations.
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Product Type/Sub Type

nonGeographicDataset - GA Publication - Record

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license
Creative Commons Attribution 3.0 Australia Licence

IP Owner

Commonwealth of Australia (Geoscience Australia)

Author(s)

Date (publication)

1993

Product Type

nonGeographicDataset

Topic Category

geoscientificInformation

Keywords

GA Publication
Record
palaeontology
stratigraphy
geology
Earth Sciences

Resource Language

English

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utf8

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unclassified

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Digital Transfer Options

onLine

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pdf

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Organisation Name
Geoscience Australia
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Canberra
Administrative Area
ACT
Postal Code
2601
Country
Australia
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Metadata File Identifier

a05f7892-74bc-7506-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

1999-08-09

METADATA SECURITY CLASSIFICATION

unclassified

Metadata Contact

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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 the Geoscience Australia Sales Centre via:

fax:
+61 2 6249 9960; or
phone:
1800 800 173 (within Australia);
 
+61 2 6249 9966 (outside Australia).

Please note that support hours are 9 am to 5 pm weekdays