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- Seychelles_Plate abstract "The spectacular granite outcrops of the Seychelles Islands in the central Indian Ocean were amongst the earliest examples cited by Alfred Wegener as evidence for his continental drift theory. Ridge-plume interactions have been responsible for separating a thinned continental sliver from a large continent (India).The granites of the Seychelles microcontinent were emplaced 750 Ma, during the late Precambrian. Thermally-induced rifting in the Somali Basin and transform rifting along the Davie fracture zone began in the late Permian 225 million years ago, with Gondwana supercontinent beginning to break up in the mid-Jurassic (about 167 million years ago) when East Gondwana, comprising Antarctica, Madagascar, India, and Australia, began to separate from Africa; East Gondwana then began to separate about 115-120 million years ago when India began to move northward. The Seychelles then underwent two more stages of rifting to isolate it from Madagascar and India. Between 84-95 million years ago rifting separated Seychelles/India from Madagascar. An initial period of transform rifting moved the Seychelles/India block northward. At 84 million years ago oceanic crust started to form in the Mascarene basin, causing a rotation of the Seychelles/India land mass. This continued until 66 million years ago when new rifting severed the Seychelles from India forming the currently active Carlsberg Ridge. The rift jump coincided with the maximum output of the Deccan traps, and volcanics found on the Seychelles Plateau have also been linked with this event. This has led to suggestions that the initiation of the Reunion plume caused rifting to jump to its current location.".
- Seychelles_Plate wikiPageID "24572900".
- Seychelles_Plate wikiPageRevisionID "585878951".
- Seychelles_Plate hasPhotoCollection Seychelles_Plate.
- Seychelles_Plate subject Category:Geology_of_Africa.
- Seychelles_Plate subject Category:Tectonic_plates.
- Seychelles_Plate type Artifact100021939.
- Seychelles_Plate type Base102797881.
- Seychelles_Plate type BaseballEquipment102799897.
- Seychelles_Plate type Equipment103294048.
- Seychelles_Plate type HomePlate103528901.
- Seychelles_Plate type Instrumentality103575240.
- Seychelles_Plate type Object100002684.
- Seychelles_Plate type PhysicalEntity100001930.
- Seychelles_Plate type SportsEquipment104285146.
- Seychelles_Plate type TectonicPlates.
- Seychelles_Plate type Whole100003553.
- Seychelles_Plate comment "The spectacular granite outcrops of the Seychelles Islands in the central Indian Ocean were amongst the earliest examples cited by Alfred Wegener as evidence for his continental drift theory. Ridge-plume interactions have been responsible for separating a thinned continental sliver from a large continent (India).The granites of the Seychelles microcontinent were emplaced 750 Ma, during the late Precambrian.".
- Seychelles_Plate label "Seychelles Plate".
- Seychelles_Plate sameAs m.080p2gj.
- Seychelles_Plate sameAs Q7458947.
- Seychelles_Plate sameAs Q7458947.
- Seychelles_Plate sameAs Seychelles_Plate.
- Seychelles_Plate wasDerivedFrom Seychelles_Plate?oldid=585878951.
- Seychelles_Plate isPrimaryTopicOf Seychelles_Plate.