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单词 aplitic
释义

apliticadj.

Brit. /əˈplɪtɪk/, U.S. /əˈplɪdɪk/
Forms: 1800s– aplitic, 1900s– haplitic (rare).
Origin: Formed within English, by derivation. Etymons: aplite n., -ic suffix.
Etymology: < aplite n. + -ic suffix. Compare German aplitisch (1854 or earlier).
Geology.
Of the nature of, resembling, or containing aplite.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > other igneous
aplitic1877
alkalic1902
monzonitic1909
essexitic1927
1877 Descr. Geol. (Engineer Dept. U.S. Army) 804 One variety of this granite, an exceedingly dense, tough rock..may be classed as an aplitic granite.
1903 A. Geikie Text-bk. Geol. (ed. 4) I. 217 Like the granites, the syenites include aplitic (syenite-aplite) and pegmatitic (syenite-pegmatite) varieties.
1990 Jrnl. Petrol. 31 1382 Dollar..distinguished these as a ‘central and southern microgranite..’ of aplitic type, and a biotite-rich ‘north-western microgranite’.
2003 Irish Jrnl. Earth Sci. 21 80/1 Green and red varieties of this aplitic rock occur intermingled.
This is a new entry (OED Third Edition, December 2013; most recently modified version published online December 2021).
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adj.1877
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