单词 | autolith |
释义 | autolithn. 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). < n.1900 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。