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Synonyms

terrane

American  
[tuh-reyn, ter-eyn] / təˈreɪn, ˈtɛr eɪn /

noun

Geology.
  1. any rock formation or series of formations or the area in which a particular formation or group of rocks is predominant.


terrane British  
/ ˈtɛreɪn /

noun

  1. a series of rock formations, esp one having a prevalent type of rock

  2. an allochthonous, fault-bounded section of the earth's crust

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of terrane

First recorded in 1815–25; spelling variant of terrain

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In mountainous terrane, dissolution can extend all the way through the vertical profile of the mountain, with caverns dropping thousands of feet.

From Textbooks • Jan. 1, 2017

A terrane is a distinctive block of crust that is now part of a continent, but is thought to have come from elsewhere, and was added on by plate-tectonic processes.

From Textbooks • Jan. 1, 2015

What is the connection between terrane accretion on the west coast and the relatively rapid accumulation of sediments within the WCSB?

From Textbooks • Jan. 1, 2015

It formed when yet another terrane slammed into North America in the Cretaceous, about 120 million years ago, and is composed of metamorphosed oceanic basalt.

From Scientific American • Mar. 7, 2012

As the Kula Plate collided with North America and terrane after terrane was plastered to the continent, great slabs of rock were thrust up.

From Scientific American • Mar. 7, 2012