CLAY, with

Bismuth 10000 to 8870 -- 9416

Oker ---- to 8400 -- 8571

Chalk ---- to 7701 -- 8000

Gypsum ---- to 5185 -- 8055

Wood ---- to 3437 -- 4545

Buffon's Natural History. Volume 10 (of 10) Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Minerals, &c. &c · 第 23 / 45 题