lava pumice

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• Pumice — is a textural term for a volcanic rock that is a solidified frothy lava composed of highly microvesicular glass pyroclastic with very thin, translucent bubble walls of extrusive igneous rock. It is commonly, but not exclusively of silicic or… …   Wikipedia

• Lava (soap) — Lava, occasionally confused with Magno, black glycerine soap, is a heavy duty hand cleaner made by WD 40, first produced in 1893. WD 40 acquired the brand from Block Drug in 1999 who acquired it from Procter Gamble in 1995… …   Wikipedia

• Lava — flow redirects here. For the programming anti pattern, see Lava flow (programming). For other uses, see Lava (disambiguation) …   Wikipedia

• Pumice — Pum ice, n. [L. pumex, pumicis, prob. akin to spuma foam: cf. AS. pumic st[=a]n. Cf. {Pounce} a powder, {Spume}.] (Min.) A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving it a… …   The Collaborative International Dictionary of English

• pumice stone — Pumice Pum ice, n. [L. pumex, pumicis, prob. akin to spuma foam: cf. AS. pumic st[=a]n. Cf. {Pounce} a powder, {Spume}.] (Min.) A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving it …   The Collaborative International Dictionary of English

• pumice — ► NOUN ▪ a light and porous form of solidified lava, used as a skin abrasive. ORIGIN Old French pomis, from Latin pumex …   English terms dictionary

• pumice — pumiceous /pyooh mish euhs/, adj. pumicer, n. /pum is/, n., v., pumiced, pumicing. n. 1. Also called pumice stone. a porous or spongy form of volcanic glass, used as an abrasive. v.t. 2. to rub, smooth, clean, etc., with pumice. [bef. 1000; < L… …   Universalium

• Lava Beds National Monument — Infobox protected area | name = Lava Beds National Monument iucn category = III caption = locator x = 18 locator y = 53 location = Northern California, USA nearest city = Klamath Falls, Oregon lat degrees = 41 lat minutes = 42 lat seconds = 50… …   Wikipedia

• pumice — ALASKA VOLCANO OBSERVATORY GLOSSARY Light colored, frothy volcanic rock, usually of dacite or rhyolite composition, formed by the expansion of gas in erupting lava. Commonly seen as lumps or fragments of pea size and larger, but can also occur… …   Glossary of volcanic terms

• pumice — 1. noun /ˈpʌmɪs/ A light, porous type of pyroclastic igneous rock, formed during explosive volcanic eruptions when liquid lava is ejected into the air as a froth containing masses of gas bubbles. As the lava solidifies, the bubbles are frozen… …   Wiktionary

• LAVA —    a general term for all rocks originating in molten streams from volcanoes, includes traps, basalts, pumice, and others; the surface of a lava stream cools and hardens quickly, presenting a cellulose structure, while below the heat is retained… …   The Nuttall Encyclopaedia