单词 | ophicalcite |
释义 | ophicalciten. Geology. A form of marble consisting of a mixture of serpentine and calcite; a particular variety of this. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > metamorphic rock > [noun] > marble > serpentine ophitesa1398 serpentine1426 ophite1592 serpentine marble1601 serpentine stone1662 viper-stone1741 verd-antique1745 verde antico1753 serpent-stone1757 ophiolite1824 ophicalcite1866 the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > serpentine > mixed with other minerals ophiolite1824 ophicalcite1866 1866 Q. Jrnl. Geol. Soc. 22 227 A specimen of Ophicalcite from Cesha Lipa in Bohemia, which gave on decalcification a form of Eozoon. 1875 J. W. Dawson Life's Dawn on Earth vi. 147 A beautiful variety of ophicalcite or serpentine-marble. 1919 Jrnl. Royal Anthropol. Inst. 49 275 Implements of Ophicalcite... Adze blades and a fragment of discoid club-head found at Rainu are also described. 1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) xii. 249 A spotted medium-grained ophicalcite may look in hand specimen much like a diorite. 1976 Stud. Hist. & Philos. Sci. 7 58 At that time a controversy existed with respect to an inorganic banded structure of ophicalcites in Precambrian rocks in Canada. 1995 Paleobiology 21 465/2 Carbonate-cemented serpentinite-clast conglomerates (= ophicalcites) are reported near the seep limestone outcrop area. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < |
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