Pyroclastic flows and surges


Pyroclastic flows and surges

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Title: Pyroclastic flows and surges
Author: Barker, Daniel S.
Description: One of a series of images with descriptions of igneous and volcanic geological features in field environments.
Department: Geological Sciences
Subject: 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
Date: 2009-03

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Description: One of a series of images with descriptions of igneous and volcanic geological features in field environments.
Size: 44.19Mb
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