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单词 autolith
释义

autolithn.

Brit. /ˈɔːtəlɪθ/, U.S. /ˈɔdəˌlɪθ/, /ˈɑdəˌlɪθ/
Origin: Formed within English, by compounding. Etymons: auto- comb. form1, -lith comb. form.
Etymology: < auto- comb. form1 + -lith comb. form, after xenolith n. at xeno- comb. form .
Geology.
A piece of rock within an igneous mass which crystallized earlier than the surrounding rock, and may differ from it in composition or structure, but was formed from the same body of magma. Cf. xenolith n. at xeno- comb. form .
ΘΚΠ
the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > intrusion > others
laccolite1877
xenolith1894
bysmalith1898
stock1898
autolith1900
bathylite1902
phacolite1909
phacolith1910
cupola1911
lopolith1918
1900 T. H. Holland in Mem. Geol. Surv. India 28 217 When the production of schlieren results in the formation of well-defined bodies included in the normal rock, such bodies might conveniently be named autoliths in contradistinction to the term xenoliths.
1945 Proc. Amer. Philos. Soc. 89 105/1 The acid inclusions are thought to be autoliths.
1994 Geol. Pacific Ocean 10 443 (title) Mafic autoliths in volcanic rocks from the Kuril Island Arc and the problem of magma mixing.
This is a new entry (OED Third Edition, June 2011; most recently modified version published online December 2021).
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n.1900
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