noun Date: 1923 a deposit of volcanic ash

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • ashfall — ˈ ̷ ̷ˌ ̷ ̷ noun Etymology: ash (III) + fall : a deposit of volcanic ash called also ash shower …   Useful english dictionary

  • Ashfall Fossil Beds — Geobox|Protected Area name = Ashfall Fossil Beds State Historical Park native name = other name = other name1 = category local = Nebraska State Historical Park category iucn = III image caption = The hills surrounding the fossil beds etymology… …   Wikipedia

  • Liste des parcs d'État du Nebraska — Ashfall Fossil Beds Ashfall Foss …   Wikipédia en Français

  • Volcanic ash — consists of small tephra, which are bits of pulverized rock and glass created by volcanic eruptions,United States Geological Survey. [ Tephra: Volcanic Rock and Glass Fragments.] Retrieved… …   Wikipedia

  • Mount Pinatubo — The eruption column of Mount Pinatubo on June 12, 1991, three days before the climactic eruption. Elevation …   Wikipedia

  • Teleoceras — Taxobox name = Teleoceras fossil range = early Miocene to early PlioceneProthero, 2005, pp. 189 194.] image width = 250px image caption = Teleoceras regnum = Animalia phylum = Chordata classis = Mammalia ordo = Perissodactyla familia =… …   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

  • Yellowstone hotspot — Schematic of the hotspot and the Yellowstone Caldera Location of the hotspot in …   Wikipedia

  • Bruneau-Jarbidge caldera — The Bruneau Jarbidge caldera (sometimes called a supervolcano) is located in present day southwest Idaho. The volcano erupted during the Miocene, between ten and twelve million years ago, spreading a thick blanket of ash in the Bruneau Jarbidge… …   Wikipedia

  • Minoan eruption — Satellite image of Thera, November 21, 2000 Volcano Thera Date 2nd millennium BCE Type …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”