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单词 tachylite
释义

tachylite

英汉-汉英词典
n. 玄武玻璃
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tachylite [地质] 玄武玻璃; 玄武黑曜岩;

网络短语:
tachylyte tachylite 玄武玻璃
nepheline tachylite 霞石玄武岩
tachylite e 玄武玻璃
tachylite basalt glass 玄武玻璃
英语百科

Tachylite

Basaltic glass in thin section, plane light top; cross-polarized light below
Flaked stone artefacts from Australia, made of tachylite

Tachylite (also spelled tachylyte) is a vitreous form of basaltic volcanic glass. This "glass" is formed naturally by the rapid cooling of molten basalt. It is a basic type of igneous rock that is decomposable by acids and readily fusible. The color is a black or dark-brown, and it has a greasy-looking, resinous luster. It is very brittle and occurs in dikes, veins and intrusive masses. The word originates from the Greek takhus meaning swift.

近义、反义、联想词
近义词
n.
volcanic glass

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