LAMPROPHYRE Definition & Meaning

lamprophyre

[ lam-pruh-fahyuhr ]

Phonetic (Standard)IPA

noun

Petrology.

any dark intrusive rock in which dark minerals occur both as phenocrysts and as groundmass.

lamprophyre

/ ˈ��æ��əˌ�ڲ�ɪə /

noun

any of a group of basic igneous rocks consisting of feldspathoids and ferromagnesian minerals, esp biotite: occurring as dykes and minor intrusions

lamprophyre

/ ��ă��′��ə-��ī��′ /

A dark igneous rock, having a porphyritic texture in which both the phenocrysts (larger crystals) and the matrix consist primarily of pyroxene, hornblende, and biotite.

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Other �y��vlog Forms

��·��·��·�� [lam-pr, uh, -, fir, -ik], adjective

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�y��vlog History and Origins

Origin of lamprophyre¹

1885–90; lampro- (< Greek ��ó�� clear) + -phyre

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�y��vlog History and Origins

Origin of lamprophyre¹

C19: from Greek lampros bright + -phyre, from porphyry

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Example Sentences

Examples have not been reviewed.

There are only three types of magma on the planet that can manage it, at least that we’ve identified so far: kimberlite, lamproite, and lamprophyre.

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Sheets of quartz-porphyry, lamprophyre and diorite are also represented, the first of these types being quarried at Crarae on the north shore of Loch Fyne.

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They are found mostly as loose crystals in gravel, but are known also in igenous rocks like andesite and lamprophyre.

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