Equivalent radiolarian ages from ophiolitic terranes of Cyprus and Oman

Geology
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Abstract

Radiolarian biostratigraphy shows that umberiferous strata overlying the Troodos ophiolite in Cyprus are Turonian in age and are thus essentially contemporaneous with similar strata that overlie the Samail ophiolite in Oman. However, this radiolarian age is markedly older than Campanian isotopic ages measured on the underlying rocks of the Troodos ophiolite. The revised age for the umbers indicates that the Troodos lavas were formed no later than Turonian time. The presence of overlying autochthonous Maastrichtian chalks restricts the emplacement of the Troodos ophiolite to the Late Cretaceous (Santonian to early Maastrichtian).

Publication type Article
Publication Subtype Journal Article
Title Equivalent radiolarian ages from ophiolitic terranes of Cyprus and Oman
Series title Geology
DOI 10.1130/0091-7613(1985)13<401:ERAFOT>2.0.CO;2
Volume 13
Issue 6
Year Published 1985
Language English
Publisher Geological Society of America
Contributing office(s) Geology, Minerals, Energy, and Geophysics Science Center
Description 4 p.
First page 401
Last page 404
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