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Dating the subduction of the Arabian continental margin beneath the Semail ophiolite, Oman

Abstract:

The presence of high-pressure (P) eclogites along the northeast margin of the Arabian continental plate beneath the Semail ophiolite demonstrates that subduction of thinned continental crust to pressures of 20 kbar (∼80 km depth) has occurred. Current debate centers on whether this high-P metamorphism occurred prior to, during, or following ophiolite emplacement, which is known to have started ca. 95-93 Ma. Five concordant U-Pb zircon ages from a garnet-clinopyroxene-phengite-crossite eclogit...

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Publication status:
Published

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Publisher copy:
10.1130/G19666.1

Authors


More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Role:
Author
Journal:
GEOLOGY
Volume:
31
Issue:
10
Pages:
889-892
Publication date:
2003-10-05
DOI:
ISSN:
0091-7613
URN:
uuid:0756cf01-a986-4f22-ae74-b8dbb69659ac
Source identifiers:
82487
Local pid:
pubs:82487

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