Pyroclastic flows and surges

Date
2009-03
Authors
Barker, Daniel S.
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Abstract
Description
One of a series of images with descriptions of igneous and volcanic geological features in field environments.
Keywords
Volcanology , Field geology , Field photography , Volcanic rocks , Igneous rocks , Eruption clouds , Cross bedding , Dunes , Blocks , Kilbourne Hole, New Mexico , Haroharo caldera New Zealand , Cerro Colorado tuff ring , Pinacate volcanic field, Sonora, Mexico , Volcanic vent , Crater Elegante, Sonora, Mexico , Burro Mesa, Big Bend National Park, Texas , Cannetto, Lipari, Italy , Herculaneum , 79 AD eruption of Vesuvius , Boatman's Harbour, South Island, New Zealand , Keith Bell , Pahoehoe , Santiago Island, Galapagos , Tent Rocks National Monument, New Mexico , Kirt Kempter , Pulvermaar, West Eifel district, Germany , Mount St Helens, Washington , Kilauea, Hawaii , Kau desert, Hawaii , Oplontis, Italy , Roman villa , Flow , Surge , Particle gradation , Fining upward sequence , Welding , Battleship Rock Tuff, Valles Caldera, New Mexico , Canyon fill , Bedding plane , Owens River Gorge, California , Etruscan coffin , Roman amphitheater , Sutri, Italy , Gomez Tuff, Madera Canyon, Davis Mountains, Texas , Rhyolite Canyon Tuff , Chiricahua National Monument , Arizona , Salt Lake Crater, Oahu , George P. L. Walker , Santana Tuff , Lajitas, Texas , Kanuka Road, North Island, New Zealand , overturned beds , 186 AD Taupo eruption, New Zealand , spalled lava , Burro Mesa Pouroff, Big Bend National Park , block-and-ash flow , fine-grained matrix , Keyhole Falls, British Columbia , Puy de la Tache, Mont Dore, France , Bandelier Tuff , Dissected plateau , Valles Caldera, New Mexico , Pyroclastic flow delta , Augustine volcano, Alaska , Pyroclastic flow , Pyroclastic surge , Bulk density , Magma discharge rate , Buoyancy , Lava dome , Volcano flank collapse , Pyroclastic density flow , Stratification , Antidunes , Accretionary lapilli , Steam , Bombs , Impact sag , "Ballistic" parabolic trajectories , Erosion , Maar , Rock fragments , Mosaic floor , Slump , Mud lump , Eroded dunes , Footprints , Dune crest , Airfalls , Airfall , Tree trunk cast , Volcanic hazard , Deformation , Lava , Wingertsberg, Laacher See, Germany , Pumice , Fiamme , Folds , Tree trunk mold , Ignimbrite ("fire cloud rock") , Drape
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