scoria cone

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• scoria cone — GLOSSARY OF VOLCANIC TERMS Small volcanic landforms formed from focused (single vent) subaerial strombolian eruptions of basalt or basaltic andesite magma. These features have an inverted cone shaped profile and are generally circular in plan,… …   Glossary of volcanic terms

• scoria — ALASKA VOLCANO OBSERVATORY GLOSSARY A cinder like volcanic rock, usually dark brown, red brown, or black in color. GLOSSARY OF VOLCANIC TERMS Solidified fragments of quenched, highly vesicular (>60%) mafic magma or lava (Cashman et al., 2000,… …   Glossary of volcanic terms

• Scoria — is a textural term for macrovesicular volcanic rock. It is commonly, but not exclusively, basaltic or andesitic in composition. Scoria is light as a result of numerous macroscopic ellipsoidal vesicles, but most scoria has a specific gravity… …   Wikipedia

• Cinder Cone and the Fantastic Lava Beds — For the generic cinder cone, see cinder cone. Cinder Cone Cinder Cone is a 700 foot (213 m) high cone of loose scoria …   Wikipedia

• Cinder cone — For peaks named Cinder Cone , see list of peaks named Cinder Cone. Schematic representation of the internal structure of a typical cinder cone. A cinder cone or scoria cone is a steep conical hill of volcanic fragments that accumulate around and… …   Wikipedia

• Nazko Cone — Nazko Cone, the easternmost and youngest volcano overlying the Anahim hotspot Elevation …   Wikipedia

• cinder cone — ALASKA VOLCANO OBSERVATORY GLOSSARY A volcanic cone built entirely of loose fragmented material (pyroclastics). GLOSSARY OF VOLCANIC TERMS A small, generally conical shaped volcano formed by accumulation of ejected cinders and other volcanic… …   Glossary of volcanic terms

• spatter and cinder cone — USGS PHOTO GLOSSARY OF VOLCANIC TERMS Long lived basaltic lava fountains that erupt spatter, scoria or cinder, and other tephra from a central vent typically build steep sided cones called spatter and cinder cones. The greatest bulk of these… …   Glossary of volcanic terms

• Volcanic cone — Volcanic Vol*can ic, a. [Cf. F. volcanique, It. vulcanico.] 1. Of or pertaining to a volcano or volcanoes; as, volcanic heat. [1913 Webster] 2. Produced by a volcano, or, more generally, by igneous agencies; as, volcanic tufa. [1913 Webster] 3.… …   The Collaborative International Dictionary of English

• Organ Pipes National Park — IUCN Category III (Natural Monument) …   Wikipedia

• Potrillo volcanic field — The Potrillo Volcanic Field is a monogenetic volcanic field located on the Rio Grande Rift in New Mexico, USA and Chihuahua, Mexico. It lies convert|35|km|mi|0 west of El Paso, Texas. Rio Grande Rift *Rifting began in Late Oligocene cite book |… …   Wikipedia