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THE GEOLOGICAL HISTORY OF HONG KONG

THE GEOLOGICAL HISTORY OF HONG KONG Abstract This paper presents a review of the 400-million-year geological history of Hong Kong as preserved in rocks exposed at the surface. These lithologies were formed during four major geophases. Terrestrial and marine environments are represented by rocks that were formed during Geophase 1 (416–161 million years ago). During Geophase 2 (180-140 million years ago), Hong Kong was characterised by explosive volcanic activity. The third Geophase (140–55 million years ago) involved accumulation of sandstones and conglomerates in an arid setting. There is no record preserved of any sedimentary deposition during Geophase 4, the Tertiary, between about 55 million to 2.6 million years ago, after which Hong Kong was influenced by alternating marine transgressions and regressions caused by the repeated advances and retreats of continental glaciers in polar and temperate regions of the world. This geological history has been based on the cumulative efforts of many geoscientists who have worked in Hong Kong, with the first reports dating back to 1862. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Asian Geographer Taylor & Francis

THE GEOLOGICAL HISTORY OF HONG KONG

SHAW, R.; TANG, D. L.K.; OWEN, R. B.; SEWELL, R. J.
Asian Geographer , Volume 27 (1-2): 15 – Jan 1, 2010
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THE GEOLOGICAL HISTORY OF HONG KONG

Abstract

Abstract This paper presents a review of the 400-million-year geological history of Hong Kong as preserved in rocks exposed at the surface. These lithologies were formed during four major geophases. Terrestrial and marine environments are represented by rocks that were formed during Geophase 1 (416–161 million years ago). During Geophase 2 (180-140 million years ago), Hong Kong was characterised by explosive volcanic activity. The third Geophase (140–55 million years ago)...
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Publisher
Taylor & Francis
Copyright
Copyright Taylor & Francis Group, LLC
ISSN
2158-1762
eISSN
1022-5706
DOI
10.1080/10225706.2010.9684152
Publisher site
See Article on Publisher Site

Abstract

Abstract This paper presents a review of the 400-million-year geological history of Hong Kong as preserved in rocks exposed at the surface. These lithologies were formed during four major geophases. Terrestrial and marine environments are represented by rocks that were formed during Geophase 1 (416–161 million years ago). During Geophase 2 (180-140 million years ago), Hong Kong was characterised by explosive volcanic activity. The third Geophase (140–55 million years ago) involved accumulation of sandstones and conglomerates in an arid setting. There is no record preserved of any sedimentary deposition during Geophase 4, the Tertiary, between about 55 million to 2.6 million years ago, after which Hong Kong was influenced by alternating marine transgressions and regressions caused by the repeated advances and retreats of continental glaciers in polar and temperate regions of the world. This geological history has been based on the cumulative efforts of many geoscientists who have worked in Hong Kong, with the first reports dating back to 1862.

Journal

Asian Geographer – Taylor & Francis

Published: Jan 1, 2010

Keywords: geological history; Hong Kong; rocks; palaeoenvironments

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