Tuff — (from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff should not be confused with tufa , another type of rock. Volcanic ashThe products of a volcanic eruption are… … Wikipedia
Mono–Inyo Craters — Coordinates: 37°53′N 119°0′W / 37.883°N 119°W / 37.883; 119 … Wikipedia
Owens River Gorge — Rock climbing in the Owens River Gorge. Coordinates … Wikipedia
Supervolcano — A supervolcano is a volcano capable of producing a volcanic eruption with an ejecta volume greater than 1,000 cubic kilometers (240 cubic miles). This is thousands of times larger than most historic volcanic eruptions.[1] Supervolcanoes can occur … Wikipedia
Long Valley Caldera — For the town in New Jersey, see Long Valley, New Jersey :Long Valley Caldera is a depression in eastern California that is adjacent to Mammoth Mountain. The valley is one of the largest calderas on earth, measuring about convert|32|km|mi long… … Wikipedia
Caldeira De Long Valley — Carte schématique de la caldeira de Long Valley. Localisation Astre Terre Coordonnées … Wikipédia en Français
Caldeira de Long Valley — Carte schématique de la caldeira de Long Valley. Localisation Coordonnées … Wikipédia en Français
Caldeira de long valley — Carte schématique de la caldeira de Long Valley. Localisation Astre Terre Coordonnées … Wikipédia en Français
Pyroclastic flow — Pyroclastic flows sweep down the flanks of Mayon Volcano, Philippines, in 1984 … Wikipedia
Desert varnish — in Horseshoe Canyon, Canyonlands National Park, Utah. Desert varnish, or rock varnish is a orange yellow to black coating found on exposed rock surfaces in arid environments. Desert varnish is usually around one micron thick and present nanometre … Wikipedia
