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单词 mimophyre
释义

mimophyren.

Brit. /ˈmʌɪməfʌɪə/, U.S. /ˈmaɪməˌfaɪ(ə)r/
Origin: A borrowing from French. Etymon: French mimophyre.
Etymology: < French mimophyre (A. Brongniart 1813, in Jrnl. des mines 34 46) < Hellenistic Greek μιμο- (see mimo-prophet n.) + French -phyre (in porphyre porphyry n.).
Geology. rare.
A type of uncrystallized rock with coarse grains of feldspar, resembling a porphyry.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > mineral or chemical composition > [noun] > rock containing specific mineral
alum rockc1637
silver-spat1668
salt-rock1670
tin-spar1681
garnet-rock1794
mimophyre1824
crystalline1856
haüynophyr1865
minette1866
phosphate rock1869
1824 H. T. De la Beche tr. A. Brongniart Table Classif. Mixed Rocks in Sel. Geol. Mem. p. xx Genus 2. The imbedded rocks. Fragments enveloped in a very distinct paste. Species 1. Mimophyre. (Some greywackes.) An argillaceous cement uniting very distinct grains of felspar, and sometimes of quartz, clayslate, &c.
1841 Penny Cycl. XX. 56/2 Mimophyre. Cement argillaceous, uniting distinct grains of felspar, &c.
1884 Science 13 June 728/2 The mimophyres are found associated with the sedimentary schists, quartzites, and phyllites, and belong to the Cambrian, Silurian, and Permian.
1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) 286 Mimophyre, hornfels with coarse feldspar.
1983 S. I. Tomkeieff et al. Dict. Petrol. 366/2 Mimophyre, a term for agglomerate, volcanic ash, tuff.
This entry has been updated (OED Third Edition, March 2002; most recently modified version published online March 2022).
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n.1824
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