Calc-tuff
1calc-tuff — noun see calc tufa …
2calc-tufa — noun a soft porous rock consisting of calcium carbonate deposited from springs rich in lime • Syn: ↑tufa • Hypernyms: ↑rock, ↑stone * * * ˈkalk|tüfə noun or calc tuff ˌtəf, üf …
3calc-tufa — /kalk tooh feuh, tyooh /, n. tufa (def. 1). Also, calc tuff /kalk tuf /. [1815 25; CALC + TUFA] * * * …
4calc-tufa — /ˈkælk tufə/ (say kalk toohfuh) noun calcareous tufa. See tufa. Also, calc tuff /ˈkælk tʌf/ (say kalk tuf) …
5tufa — tufaceous /tooh fay sheuhs, tyooh /, adj. /tooh feuh, tyooh /, n. Geol. 1. Also called calcareous tufa, calc tufa, calc tuff. a porous limestone formed from calcium carbonate deposited by springs or the like. Cf. travertine. 2. (not in technical… …
6rock-milk — n. Calc tuff, agaric mineral …
7igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary …
8Slave craton — which is one of the oldest dated rock units on Earth at 4.03 Ga. The crust of the Slave craton is thought to have amalgamated during a 2.69 Ga collision between a proto Slave western basement complex, known as the Central Slave Basement Complex,… …
9Anexo:Mayores erupciones volcánicas — La erupción de 1991 del Monte Pinatubo, la erupción más grande desde 1912, queda empequeñecida por las erupciones que se indican en este artículo. En una erupción volcánica, lava, tephra (bombas volcánicas, lapilli, y ceniza), y varios t …
10Список крупнейших вулканических извержений — Извержение вулкана Пинатубо в 1991 году является крупнейшим в мире с 1912 года, но даже оно ничтожно по сравнению с извержениями в этом списке. Извержение вулкана это …
