Pyroclastic flows and surges

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Date
2009-03
Author
Barker, Daniel S.
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Description
One of a series of images with descriptions of igneous and volcanic geological features in field environments.
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
URI
http://hdl.handle.net/2152/6296
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