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单词 ureilite
释义

ureiliten.

/ˈjʊərɪɪlʌɪt/
Etymology: < Russian ureĭlit (Erofeev & Lachinov 1888, in Zhurnal Russ. fiziko-khim. Obshchestva pri Imper. St. Petersburgsk. Univ. XX. 213), < the name of Novo-Ureĭ, a village near Penza, in the vicinity of which a meteorite belonging to this class fell.
Geology.
Any of a group of calcium-poor achondrite meteorites that consist mainly of olivine and pigeonite.
ΘΚΠ
the world > the universe > constellation > comet or meteor > meteor > [noun] > meteorite > achondrite > types of
eucrite1881
howardite1881
nakhlite1916
ureilite1916
the world > the earth > structure of the earth > constituent materials > stone > a stone > [noun] > meteorite > other meteorites
air-stone1608
iron1802
aerolite1810
aerolith1811
uranolite1815
star-glint1825
brontolith1860
aerosiderite1863
aerosiderolite1863
pallasite1863
siderolite1863
siderite1866
mesosiderite1868
howardite1881
chondrite1883
oligosiderite1883
plessite1885
diogenite1895
achondrite1904
octahedrite1905
nakhlite1916
ureilite1916
stony-iron1918
micrometeorite1949
1889 Jrnl. Chem. Soc. 56 225 The authors find, after comparison with known classes of aerolites, that the meteorite described above differs from all of them in many points, and propose to name this form ureïlithe.]
1916 Mineral Mag. 18 38 The ureilites consist of a coarsely crystalline aggregate of olivine and monoclinic pyroxene cemented together by a film of nickel-iron and carbonaceous matter.
1962 B. Mason Meteorites 111 The ureilites form a unique group of three meteorites, quite distinct from all other achondrites.
1971 I. G. Gass et al. Understanding Earth viii. 116/1 The presence of diamond in the small group of ureilites appears to be due to extraterrestrial shock effects.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1916
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