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Rivera Plate

[ ri-vair-uh pleyt; Spanish ree-ve-rah ]

noun

, Geology, Oceanography.
  1. a small tectonic plate just south of the Baja California peninsula off the west coast of Mexico, believed to have separated from the Cocos Plate at least five million years ago.


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Word History and Origins

Origin of Rivera Plate1

First recorded in 1945–50; named after the Rivera Transform Fault (former name of the Rivera Fracture Zone ) that borders it on the southwest

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Rivera Fracture Zoneriverbank