lamprophyre

(lămˈprə-fīrˌ)

noun

Any of several intermediate igneous rocks constituting feldspar and ferromagnesium minerals that occur as dikes and minor intrusions.

Origin:

Origin: German Lamprophyr

Origin: : Greek lampros, clear (from lampein, to shine)

Origin: + French porphyre, porphyry (from Old French porfire; see porphyry)

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lamprophyre science

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