lamprophyre

[ lam-pruh-fahyuhr ]

/ ˈlæm prəˌfaɪər /

noun Petrology.

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

Origin of lamprophyre

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

OTHER WORDS FROM lamprophyre

lam·pro·phyr·ic

[lam-pruh-fir-ik], /ˌlæm prəˈfɪr ɪk/, adjective

Words nearby lamprophyre

lamp oil, lampoon, lamppost, lamprey, lamprophony, lamprophyre, lampshade, lamp shell, lamp standard, lamp trimmer, lampworking

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for lamprophyre

It is supposed that they did not crystallize in the lamprophyre dike but in some way were caught up by it.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 2|Various
They are found mostly as loose crystals in gravel, but are known also in igenous rocks like andesite and lamprophyre.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 4|Various
Each variety of lamprophyre may and often does contain all four minerals but is named according to the two which preponderate.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 2|Various
In Fergus County, Montana, they are mined from decomposed dikes of lamprophyre (a basic igneous rock).
The Economic Aspect of Geology|C. K. Leith

British Dictionary definitions for lamprophyre

lamprophyre

/ (ˈlæmprəˌfaɪə) /

noun

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

Word Origin for lamprophyre

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for lamprophyre

lamprophyre

[ lăm′prə-fīr′ ]

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.

单词	lamprophyre
释义	lamprophyre [ lam-pruh-fahyuhr ] / ˈlæm prəˌfaɪər / noun Petrology. any dark intrusive rock in which dark minerals occur both as phenocrysts and as groundmass. Origin of lamprophyre 1885–90; lampro- (<Greek lamprós clear) + -phyre OTHER WORDS FROM lamprophyre lam·pro·phyr·ic [lam-pruh-fir-ik], /ˌlæm prəˈfɪr ɪk/, adjective Words nearby lamprophyre lamp oil, lampoon, lamppost, lamprey, lamprophony, lamprophyre, lampshade, lamp shell, lamp standard, lamp trimmer, lampworking Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for lamprophyre It is supposed that they did not crystallize in the lamprophyre dike but in some way were caught up by it. Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 2\|Various They are found mostly as loose crystals in gravel, but are known also in igenous rocks like andesite and lamprophyre. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 4\|Various Each variety of lamprophyre may and often does contain all four minerals but is named according to the two which preponderate. Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 2\|Various In Fergus County, Montana, they are mined from decomposed dikes of lamprophyre (a basic igneous rock). The Economic Aspect of Geology\|C. K. Leith British Dictionary definitions for lamprophyre lamprophyre / (ˈlæmprəˌfaɪə) / noun any of a group of basic igneous rocks consisting of feldspathoids and ferromagnesian minerals, esp biotite: occurring as dykes and minor intrusions Word Origin for lamprophyre C19: from Greek lampros bright + -phyre, from porphyry Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for lamprophyre lamprophyre [ lăm′prə-fīr′ ] 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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