单词 | cryptoclastic |
释义 | > as lemmascryptoclastic cryptoclastic adj. Brit. /ˌkrɪptəˈklastɪk/ , U.S. /ˌkrɪptəˈklæstɪk/ [after German kryptoklastisch ( A. Bosizio Geol. u. der Sündfluth (1877) xiii. 165)] Geology rare (of rocks) consisting of microscopic fragments of older rocks.ΚΠ 1879 Reg. Univ. Calif. 1879–80 39 The study of the crypto-crystalline and crypto-clastic rocks, in thin sections, under the microscope. 1957 Jrnl. Geol. (Chicago) 65 88/2 The matrix of most of the breccias consists of pulverized, cryptoclastic dolomite and limestone. < as lemmas |
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