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The ridge formed as an island arc when the Cayman Trough was the site of a subduction zone during the Paleocene and Eocene epochs. As the dynamics of the area changed, the subduction zone became a transform fault zone with a pull-apart basin during which time volcanism had dwindled along the entire length of the arc. The Cayman Ridge is now an ...
The geology of the Cayman Islands includes carbonates deposited and periodically eroded over the last 30 million years. The underlying Cayman Ridge is proposed as an uplifted fault block. The oldest rocks are believed to be granodiorite, followed by a cap of basalt. [1]
Within the trough is a slowly spreading north–south ridge which may be the result of an offset or gap of approximately 420 kilometres (260 mi) along the main fault trace. The Cayman spreading ridge shows a long-term opening rate of 11–12 mm/yr. [4] The eastern section of the trough has been named the Gonâve Microplate.
The Cayman Islands are a British dependency and island country. It is a three-island archipelago in the Caribbean Sea , consisting of Grand Cayman , Cayman Brac , and Little Cayman . Georgetown, the capital of the Cayman Islands is 438 km (272 mi) south of Havana , Cuba , [ 1 ] and 504 km (313 mi) northwest of Kingston, Jamaica , [ 2 ...
Cayman Ridge; G. Geology of the Cayman Islands; I. ISO 3166-2:KY This page was last edited on 20 February 2022, at 13:01 (UTC). Text is available under the Creative ...
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The Mid-Cayman Rise is a particularly unique location as there are two confirmed hydrothermal fields in close proximity of each other. The Von Damm vent field, named after geological oceanographer Karen Von Damm, is located on the ocean core complex Mount Dent, and features unique chimney structures of talc.
The Gonâve microplate, showing the fault zones that bound it. The Gonâve microplate forms part of the boundary between the North American plate and the Caribbean plate.It is bounded to the west by the Mid-Cayman Rise spreading center, to the north by the Septentrional-Oriente fault zone and to the south by the Walton fault zone and the Enriquillo–Plantain Garden fault zone.