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11.16: Precambrian Continents

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

craton

The ancient Precambrian felsic continental crust that forms the cores of continents.

greenstone

A metamorphosed volcanic rock that forms at a subduction zone.

paleogeography

The arrangement of the continents; ancient geography.

platform

A craton and its overlying younger sedimentary rocks.

shield

The part of a craton that crops out at the surface.

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Difficulty Level:
At Grade
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Date Created:
Feb 24, 2012
Last Modified:
Aug 07, 2016
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