Tephrite

[tefrait]

解释:

(n.) An igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both.

编辑:西尔维亚

解释:

n. a name applied to certain modern volcanic rocks.—adj. Tephrit′ic.—ns. Teph′ritoid a variety of tephrite; Tephi′roite a reddish silicate of manganese.

校对:诺琳