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Book Chapter

Early geological investigations of the Pleistocene Tamala Limestone, Western Australia

By
Wolf Mayer
Wolf Mayer
Research School of Earth Sciences, D. A. Brown Building, Australian National University, Canberra, ACT 0200, Australia (e-mail: wolf.mayer@ems.anu.edu.au)
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Published:
January 01, 2008

Abstract

The first geological studies of the Quaternary deposits, which crop out extensively along the coast of Western Australia, were carried out by members of English and French expeditions of discovery, between 1791 and 1836. The exploring parties included scholars with a background in geology, zoology and botany, as well as knowledgeable surgeons and sea captains with a strong interest in the natural sciences. Their collective work established the continuity, over vast distances, of a sequence of sedimentary rocks composed of quartz grains and shell debris, which today form the major part of the Tamala Limestone sequence. Their observations of the internal features of these rocks led some among them to develop views on the nature and origin of the cementing substance that bonds sand grains and shell debris in sedimentary layers and in concretions. There was disagreement among successive parties of visitors on the nature and origin of rhizoliths and other petrified woody matter in calcareous rocks. The finding of well-preserved sea shells in rocks now above sea level provided convincing evidence to investigators that the ocean had, in recent times, retreated from the land. The discovery of species of mollusc, known to be extinct in Europe, raised questions about an assumed worldwide extent of sedimentary sequences.

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Contents

Geological Society, London, Special Publications

History of Geomorphology and Quaternary Geology

R. H. Grapes
R. H. Grapes
Korea University, South Korea
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D. Oldroyd
D. Oldroyd
The University of New South Wales, Australia
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A. Grigelis
A. Grigelis
Lithuanian Academy of Sciences, Lithuania
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Geological Society of London
Volume
301
ISBN electronic:
9781862395497
Publication date:
January 01, 2008

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