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. |