Volcanic+cinders
61ashes — I (Roget s IV) pl.n. 1. [Powdery remains after a fire] Syn. dust, powder, cinders, slag, embers, charcoal, volcanic ash, soot, remains of what is burned, scoriae. 2. [Ruins] Syn. remains, vestiges, remnants; see destruction 2 . II (Roget s 3… …
62Imbabura Volcano — Imbabura Imbabura, with sugarcane fields in the foreground. Elevation 4,630 m (15,19 …
63Fort Rock Basin — 280px Hole in the Ground, a maar in Fort Rock Basin Elevation 4,331–5,630 ft (1,320–1,716 m) [1] …
64Columbia Slough — Coordinates: 45°38′36″N 122°46′07″W / 45.64333°N 122.76861°W / 45.64333; 122.76861 …
65calcareous tufa — Tufa Tu fa, [It. fufo soft, sandy stone, L. tofus, tophus. Cf. {Tofus}, {Toph}, and {Tophin}.] (Min.) (a) A soft or porous stone formed by depositions from water, usually calcareous; called also {calcareous tufa}. (b) A friable volcanic rock or… …
66Peperine — Pep e*rine, Peperino Pep e*ri no, n. [It. peperino, L. piper pepper. So called on account of its color.] (Geol.) A volcanic rock, formed by the cementing together of sand, scoria, cinders, etc. [1913 Webster] …
67Peperino — Peperine Pep e*rine, Peperino Pep e*ri no, n. [It. peperino, L. piper pepper. So called on account of its color.] (Geol.) A volcanic rock, formed by the cementing together of sand, scoria, cinders, etc. [1913 Webster] …
68tarrace — Trass Trass, n. [D. tras or Gr. trass, probably fr. It. terrazzo terrace. See {Terrace}.] (Geol.) A white to gray volcanic tufa, formed of decomposed trachytic cinders; sometimes used as a cement. Hence, a coarse sort of plaster or mortar,… …
69tarras — Trass Trass, n. [D. tras or Gr. trass, probably fr. It. terrazzo terrace. See {Terrace}.] (Geol.) A white to gray volcanic tufa, formed of decomposed trachytic cinders; sometimes used as a cement. Hence, a coarse sort of plaster or mortar,… …
70terras — Trass Trass, n. [D. tras or Gr. trass, probably fr. It. terrazzo terrace. See {Terrace}.] (Geol.) A white to gray volcanic tufa, formed of decomposed trachytic cinders; sometimes used as a cement. Hence, a coarse sort of plaster or mortar,… …
