Volcanic+cinders
81Mistake Crag — (62°9′S 58°11′W / 62.15°S 58.183°W / 62.15; 58.183) is a slightly bowed crag extending north from Cinder Spur and rising to about 90 m above the presently unnamed glacier on its west …
82heat — I (New American Roget s College Thesaurus) I n. high temperature (see heat); passion, rage, vehemence; rut, mating period. See sex, excitement. Ant., cold. II Quality of warmth Nouns 1. heat, caloric; warmth, ardor, fervor, fervency; incalescence …
83lapilli — Nonvesicular or slightly vesicular pyroclastics, 2.0 to 76 mm in at least one dimension, with an apparent specific gravity of 2.0 or more g/cm3. Compare: ash, volcanic block, cinders, tephra. KST …
84scoria — a) [ soils ] Vesicular rock fragments e 2 mm in at least one dimension and a specific gravity > 2.0, or a cindery crust of such material on the surface of andesitic or basaltic lava; the vesicular nature is due to the escape of volcanic …
85tuff — tÊŒf n. volcanic rock made from ash and cinders …
86peperino — n. a light porous (esp. brown) volcanic rock formed of small grains of sand, cinders, etc. Etymology: It. f. pepere pepper …
87tach|y|lite — tach|y|lyte or tach|y|lite «TAK uh lyt», noun. a black, glassy basalt of volcanic origin that is readily fusible: »Tachylites commonly occur as bombs and cinders, or scoria, thrown out by volcanoes (Fenton and Fenton). ╂[< German Tachylit < …
88tach|y|lyte — or tach|y|lite «TAK uh lyt», noun. a black, glassy basalt of volcanic origin that is readily fusible: »Tachylites commonly occur as bombs and cinders, or scoria, thrown out by volcanoes (Fenton and Fenton). ╂[< German Tachylit < Greek… …
89teph|ra — «TEHF ruh», noun. volcanic material, such as ash, dust, cinders, scoria, or pumice, given off in an eruption. ╂[< Greek téphra ashes] …
