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单词 trowlesworthite
释义 trowlesworthite Min.|ˈtrəʊlzwəθaɪt|
[f. the name of Trowlesworthy Tor, Devonshire, where found: see -ite1.]
An altered granite in which fluorite, orthoclase, and tourmaline have taken the place of the original quartz, feldspar, and mica.
1884Bonney in Q. Jrnl. Geol. Soc. XL. 7 A rock-specimen exhibited by Mr. R. N. Worth,..and by him named Trowlesworthite. It consisted chiefly of reddish orthoclase, purple fluor, and black schorl, in intimate association with quartz, and was found..as a loose block on Trowlesworthy Tor.
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