calcareo-
(kælˈkɛərɪəʊ)
Combining form of calcareous, used a. with adjectives, as calcareo-argillaceous (composed of clay with a mixture of lime), calcareo-magnesian, calcareo-sulphureous, etc.; also calcareo-coralligenous, producing a calcareous coral; b. with ns. as calcareo-barite (see quot.)
| 1799 Kirwan Geol. Ess. 127 Springs strongly impregnated with calcareous or calcareo-sulphureous matters. 1830 Lyell Princ. Geol. I. 204 Calcareo-magnesian limestone. 1837 Dana Min. (1868) 617 Calcareobarite is a white barite from Strontian containing..6·6°/ of lime. 1845 Darwin Voy. Nat. iv. (1873) 75 The grand calcareo-argil-laceous deposit. 1846 Dana Zooph. vii. (1848) 113 Astræidæ, calcareo-coralligenous. |