sulfur cone
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volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… … Universalium
Volcano — This article is about the geological feature. For other uses, see Volcano (disambiguation) … Wikipedia
steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying … Universalium
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… … Universalium
Geothermal areas of Yellowstone — Map of all coordinates from Google Map of all coordinates from Bing Export all coordinates as KML … Wikipedia
Kīlauea — For the town of Kilauea on Kauai, see Kilauea, Hawaii. Kīlauea The Pu u O o cone, a subsidiary volcano of Kilauea. An ash column in the background rises from the peak of Kilauea. The volcano behind the ash column is Mauna Loa, which is separate… … Wikipedia
Mount Adams (Washington) — Mount Adams Mount Adams, 1999 Elevation 12,281 ft (3,743 m) NAVD 88 … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Nevado del Ruiz — La Mesa de Herveo Steam on the mountain in July 2007 Elevation … Wikipedia
