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{%type%} Definitions

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n. - A metamorphic rock composed chiefly of a particular variety of minerals

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Usage examples (13)
  • The rugged, steeply sloping mountains are composed of Precambrian amphibolite and gneiss.
  • The summits of Grünhorn and Finsteraarhorn are composed of green amphibolite, a very hard rock.
  • Gneiss and schists containing relatively uniform micas, with important amphibolite inclusions, are the dominant metamorphic rocks.
  • These porphyries are pierced by greenstone two or three feet thick, and the granites are intersected by numerous veins of amphibolite
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