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Chapter 8. Biostratigraphy and stratigraphic subdivision of Cryogenian successions of Australia in a global context

journal contribution
posted on 2023-05-19, 09:55 authored by Grey, K, Hill, AC, Clive Calver
Cryogenian correlation in Australia is based on an extensive data set from the Centralian Superbasin and Adelaide Rift Complex and integrates biostratigraphy and isotope chemostratigraphy to provide a three-dimensional interpretation based on outcrop and drill holes. Studies are ongoing, but newer data are consistent with the distributions discussed here. From the chemostratigraphic and biostratigraphic viewpoint, the first appearance of the acritarch Cerebrosphaera buickii, coupled with a large negative isotope excursion at c. 800 Ma, supported by the first appearance of the stromatolite Baicalia burra, seems to have potential for boundary placement. It is widely recognized across Australia and seems to have potential globally.

History

Publication title

Geological Society of London. Memoirs

Volume

36

Pagination

113-134

ISSN

0435-4052

Department/School

School of Natural Sciences

Publisher

Geological Society Publishing House

Place of publication

United Kingdom

Rights statement

Copyright The Geological Society of London 2011. All rights reserved. No reproduction, copy or transmission of this publication may be made without written permission. No paragraph of this publication may be reproduced, copied or transmitted save with the provisions of The Copyright Licensing Agency Ltd, Saffron House, 6–10 Kirby Street, London EC1N 8TS, UK.

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Expanding knowledge in the earth sciences

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