Tectonic evolution of the Tobago Trough forearc basin

Details Tectonic evolution of the Tobago Trough forearc basin Tectonic evolution of the Tobago Trough forearc basin

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....94.2913s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 94, March 10, 1989, p. 2913-2936. Research supported by the Petroleum Res

Physics

13

Island Arcs, Lesser Antilles, Ocean Bottom, Sediments, Tectonics, Planetary Evolution, Seismology, Stratigraphy

Scientific paper

The histories of configurational changes and sedimentation in the Tobago Trough, which is a modern bathymetric forearc basin of the Lesser Antilles island arc, were investigated using marine seismic data from the Tobago Trough. Special attention is given to two tectonic problems. The first is the evolution of the southeastern corner of the Caribbean as related to the finding that the early forearc basins had substantially different configurations from that of the modern forearc basin. The second is the interaction between the forearc basin and the accretionary prism within the Lesser Antilles system. It is pointed out that Miocene and younger features of the Tobago Trough might reflect a superposition of tectonism associated with the development of the Neogene Lesser Antilles arc on an older arc system.

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