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plural microcontinents
(geography) a fragment of continental crust that has cleaved off its parent tectonic plate. quotations examples
Seychelles can first be considered to have existed 62 mya when the Seychelles microcontinent split from India as a result of intense activity in the Carlsberg ridge which started 64 mya […]
2013, Biogeography of the terrestrial and freshwater biota of the Seychelles islands, page 30