North American terranes not so exotic after all

The cordillera of western North America is a patchwork of various landmasses, or terranes, that assembled through collision and accretion to the Laurentian Shield, leaving a complicated tectonic history for geologists to unravel.

 

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Sara E. Pratt

Sara E. Pratt

Pratt, EARTH's senior editor, is based in Boulder, Colo. She is a graduate of the earth and environmental science journalism dual master’s program at Columbia University and Lamont-Doherty Earth Observatory and has written for Discover, Oceanus, Geotimes, NOVA and NOVA ScienceNow, and worked in scientific publishing and educational outreach. Email: sepratt@earthmagazine.org. Twitter: @GeoScienceSara.

Friday, January 30, 2015 - 06:00