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Late Jurassic palaeoclimatic change from clay mineralogy and gamma-ray spectrometry of the Kimmeridge Clay, Dorset, UK

Abstract:

The Late Jurassic was a time of increasing aridity in NW Europe. Here, a new clay mineral dataset is presented from a 600 m thick composite core through the Kimmeridge Clay Formation, southern England. Clay mineral assemblages comprise mainly illite and kaolinite, with minor randomly interstratified illite- smectite mixed-layer clays. SEM observations indicate that clay minerals are mainly detrital, except in silty strata of late Tithonian age, which contain abundant pore-filling kaolinite ag...

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Publication status:
Published

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Publisher copy:
10.1144/0016-76492009-070

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Deconinck, J-F More by this author
Huggett, JM More by this author
Morgans-Bell, HS More by this author
Journal:
JOURNAL OF THE GEOLOGICAL SOCIETY
Volume:
166
Issue:
6
Pages:
1123-1133
Publication date:
2009-11-05
DOI:
EISSN:
2041-479X
ISSN:
0016-7649
URN:
uuid:7af5a872-7eb9-461c-b955-0ead68be07bc
Source identifiers:
82066
Local pid:
pubs:82066
Language:
English

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