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mesocratic
[ mez-uh-krat-ik, mes-, mee-zuh-, -suh- ]
adjective
, Petrology.
- (of an igneous rock) composed of light and dark minerals in nearly equal amounts.
mesocratic
/ ˌmɛsəˈkrætɪk /
adjective
- (of igneous rocks) containing 30–60 per cent of ferromagnesian minerals
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Word History and Origins
Origin of mesocratic1
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Word History and Origins
Origin of mesocratic1
C20: from meso- + -crat , with allusion to the moderately dark colour of the rock. Compare leucocratic
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