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单词 mugearite
释义

mugeariten.

Brit. /mʌˈɡɪərʌɪt/, U.S. /məˈɡɪrˌaɪt/
Origin: From a proper name, combined with an English element. Etymons: proper name Mugeary , -ite suffix1.
Etymology: < Mugeary, the name of a village on the Isle of Skye in the Western Isles of Scotland + -ite suffix1 (see quot. 1904).
Geology.
A dark, fine-grained trachyte which has oligoclase as the main feldspar and also contains olivine, orthoclase, and apatite.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > volcanic rocks > trachyte > varieties of
rhyolite1861
nevadite1868
propylite1868
trachyte tuff1885
ciminite1896
grorudite1896
hedrumite1896
kenyte1900
mugearite1904
1904 A. Harker Tertiary Igneous Rocks Skye xv. 257 The other rock..is, when fresh, a black compact-looking rock without phenocrysts... As this rock..belongs to a peculiar type, we..give it a provisional name..‘mugearite’, a name adopted from that of Mugeary, the crofter village lying at a short distance north.
1956 Trans. Royal Soc. Edinb. 63 68 The mugearite lava east of Dunsapie Hill, thought to have been the first of the flows, contains a number of phenocrysts of albitised plagioclase.
1990 Jrnl. Petrol. 31 1226 In the parallel strings of cones associated with Volcán Sanganguey, there are various lava types characteristic of oceanic intraplate volcanism, such as alkali olivine basalt, mugearite, hawaiite, and benmoreite.
This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).
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n.1904
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