Min. and Geol. [a. Ger. kalk lime, MHG. kalc, OHG. chalch (= OE. cealc CHALK), WGer. a. L. calc-em (calx) lime. In adopting the German term, English mineralogists have spelt it like Latin, and extended its use.]
Lime: used attrib. or in comb. = ‘lime-, calcareous,’ as in CALC-SINTER, -SPAR, -TUFF; also calcaphanite, a calcareous variety of aphanite; calc-schist, calcareous schist, limestone shale.
1875. J. W. Dawson, Dawn of Life, iii. 53. Dark grey micaceous limestone or calc-schist.
1879. Rutley, Study Rocks, xiii. 247. The calc-aphanite schist has, as its name implies, a schistose structure.
