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One of two large groups of igneous rocks, characterized by calcic and
calc-alkalic rocks. Harker (1909) divided all Tertiary and Holocene
igneous rocks of the world into two main groups, the Atlantic suite and
the Pacific suite. Because there is such a wide variation in tectonic
environments and associated rock types in the areas of Harker's Atlantic
and Pacific suites, the terms are now seldom used to indicate kindred rock
types. CF: Mediterranean suite
Source:
Dictionary of Mining, Mineral, and Related Terms
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