单词 | non-clastic |
释义 | > as lemmasnon-clastic non-clastic adj. Brit. /(ˌ)nɒnˈklastɪk/ , /(ˌ)nɒŋˈklastɪk/ , U.S. /ˌnɑnˈklæstɪk/ Geology (of rock) formed organically or chemically rather than by the mechanical deposition of particles from pre-existing rocks.ΚΠ 1904 A. W. Grabau in Amer. Geologist Apr. 229 Endogenetic rocks may also be called non-clastic. 1949 Sci. Monthly 68 427/2 Two chapters are devoted to color and classification of sedimentary rocks, and then a chapter to each of the principal types..and to the nonclastic sediments. 1995 Mineralium Deposita 30 300 Adding a ‘non-clastic iron’ component (iron not associated with detrital particles either as mineral constituent or grain coating)..would produce an upward displacement. < as lemmas |
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