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Isostasy of Africa

Abstract:

Bouguer gravity anomaly and topography data have been used to estimate the effective elastic thickness, Te, of the African lithosphere. The highest values (Te > 100 km) correlate with relatively old Archaean cratonic regions and the lowest (0 < Te < 10) with younger late Palaeozoic fold-belts and Mesozoic/Tertiary rift systems. No simple relationship exists, however, between Te and the age of the lithosphere at the time of loading. Cratons (e.g., West Africa) and fold-belts (e.g., At...

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Publication status:
Published

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Authors


Hartley, R More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Fairhead, JD More by this author
Journal:
EARTH AND PLANETARY SCIENCE LETTERS
Volume:
137
Issue:
1-4
Pages:
1-18
Publication date:
1996-01-05
DOI:
ISSN:
0012-821X
URN:
uuid:144d618f-125f-463c-987c-4dc0a6619aa4
Source identifiers:
169670
Local pid:
pubs:169670

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