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单词 anthraxolite
释义

anthraxoliten.

Brit. /anˈθraksəlʌɪt/, U.S. /ˌænˈθræksəˌlaɪt/
Origin: A borrowing from Greek, combined with English elements. Etymons: Greek ἄνθραξ , -o- connective, -lite comb. form1.
Etymology: < ancient Greek ἄνθραξ charcoal (see anthrax n.) + -o- connective + -lite comb. form1.
Geology.
A form of hard bitumen resembling coal, occurring in veins and cavities in sedimentary rocks (esp. oil shales).
ΚΠ
1871 E. J. Chapman Minerals & Geol. Central Canada (ed. 2) ii. 146 As it differs essentially by these conditions of occurrence from anthracite proper, the name anthraxolite has been given to it, but simply as a convenient term for present use.
1934 Amer. Mineralogist 19 428 The anthraxolite-bearing veins belong to a rather widespread system of fault-veins cutting both Animikie sediments and intrusive diabase.
1994 D. L. Southwick Short Contrib. Geol. Minn. 40/2 Anthraxolite samples from the Biwabik Iron Formation..are black and have a pronounced vitreous luster and conchoidal fracture.
2011 N.Y. Times (National ed.) 29 July c26/2 Their rock matrix..is often full of ‘drusy’: cavities lined with tiny quartz crystals, blackened by a carbon material called anthraxolite.
This is a new entry (OED Third Edition, June 2016; most recently modified version published online December 2021).
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n.1871
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