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The break-up of east gondwana along the northeast coast of Oman : evidence from the Batain basin

By: Hauser, Marc.
Contributor(s): Martini, Rossana | Matter, Albert | Krystyn, Leopold.
Material type: ArticleArticleDescription: 145-157p ; Illustration.Subject(s): Plate tectonics - Northeast cost of Oman | Evidence - Plate tectonic - Batin basin - Oman | Neoththyan geodynamic evolution - Batin basin - Oman | Paleogeography - Oman | Stratigraphic boundary - Oman In: Geological magazine : Vol. 139 Iss. 1-6 Year. 2002Summary: Abstract Recent detailed studies on the Batain nappes (northeast coast of Oman), which represent a special part of the so-called ‘Oman Exotics’, have led to a better understanding of the Neotethyan geo-dynamic evolution. The Batain Exotics bear witness to volcanic activity, sea-level changes, tectonic instability, rifting and oceanization along the Eastern Oman margin during Late Palaeozoic and Mesozoic times. They allow definition of the Batain basin as an aborted Permian branch of Neotethys. This marine basin was created in Early Permian times extending southward to the East African/ Madagascar region and was linked to the Karoo rift system. The presented revised classification of the Batain nappes considers the Batain basin to be no longer a part of the Hawasina basin and the Neotethyan margin proper. We attribute the Batain basin to a Mozambique–Somali–Masirah rift system (Somoma). This system started in Early Permian, times, creating a marine basin between Arabia and India/Madagascar; rifting in the Late Triassic and oceanization during Late Jurassic times led to the separation of East Gondwana.
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Bound Journal Collection Not for loan 002519_21
Serials/Scientific Journal Serials/Scientific Journal Library and Information Centre
Periodical Section
Bound Journal Collection 550 GEO (Browse shelf) Available 002519

Abstract
Recent detailed studies on the Batain nappes (northeast coast of Oman), which represent a special part of the so-called ‘Oman Exotics’, have led to a better understanding of the Neotethyan geo-dynamic evolution. The Batain Exotics bear witness to volcanic activity, sea-level changes, tectonic instability, rifting and oceanization along the Eastern Oman margin during Late Palaeozoic and Mesozoic times. They allow definition of the Batain basin as an aborted Permian branch of Neotethys. This marine basin was created in Early Permian times extending southward to the East African/ Madagascar region and was linked to the Karoo rift system. The presented revised classification of the Batain nappes considers the Batain basin to be no longer a part of the Hawasina basin and the Neotethyan margin proper. We attribute the Batain basin to a Mozambique–Somali–Masirah rift system (Somoma). This system started in Early Permian, times, creating a marine basin between Arabia and India/Madagascar; rifting in the Late Triassic and oceanization during Late Jurassic times led to the separation of East Gondwana.

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