Abstract
Summary Masirah Island lies off the SE coast of Oman and comprises a fully developed, though tectonically disturbed ophiolite, unconformably overlain by early Tertiary limestone. The ophiolite consists of harzburgites, cumulate gabbros, a sheeted dyke complex, and pillow lavas with sediment intercalations. Within the ophiolite occur granites the geochemistry of which, particularly their high K 2 O and Rb, and low Zr and Zr/Nb, ismore typical of a continental crust environment and suggests that at the time of their formation continental crust existed beneath or immediately W ofthe Masirah Ophiolite.
Keywords
OphioliteGeologyGeochemistryPillow lavaOceanic crustContinental crustCrustTectonicsPaleontologyVolcanic rockSubduction
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Publication Info
- Year
- 1978
- Type
- article
- Volume
- 115
- Issue
- 6
- Pages
- 415-425
- Citations
- 19
- Access
- Closed
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Cite This
I. L. Abbotts
(1978).
High-potassium granites in the Masirah ophiolite of Oman.
Geological Magazine
, 115
(6)
, 415-425.
https://doi.org/10.1017/s0016756800041716
Identifiers
- DOI
- 10.1017/s0016756800041716