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cinder cone |
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cinder coneor ash coneDeposit around a volcanic vent, formed by rock fragments or cinders that accumulate and gradually build a conical hill with a bowl-shaped crater at the top. Cinder cones develop from explosive eruptions of lavas and are often found along the flanks of shield (gently sloping) volcanoes. Lava flows may break out of the cone, or they may flow from under the cone through tunnels. Cinder cones are common in nearly all volcanic areas. Although they are composed of loose or only moderately consolidated cinder, many are surprisingly long-lasting, because rain falling on them sinks into the highly permeable cinders instead of running off down their slopes and eroding them. cinder cone [′sin·dər ‚kōn] (geology) A conical elevation formed by the accumulation of volcanic debris around a vent. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Cinder Cone, The Table, and Mount Garibaldi cannot be seen from the viewpoints indicated (but the above-mentioned trails do lead to stellar viewpoints of each of these features). The rater is a particularly well-formed cinder cone, its rippling swell and bulk hinting slightly disturbingly at a living, organic presence beneath the desert earth. He was backpacking in Lassen near the Cinder Cone with Isabelle LeBlanc from Paris, France. |
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