Pillow lava, hyaloclastite and peperite
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Date
2009-03
Authors
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.
Keywords
Field geology, Field photography, Volcanic rocks, Igneous rocks, Pillow lavas, Boatman's Harbour, South Island, New Zealand, Windy Point, Washington, Badsvellir, Iceland, Praia Harbor, Sao Tiago, Cape Verdes, John Gittins, Vapor cavities, Svinarhaun, Iceland, Andesite, Kabuto Cape, Hokkaido, Kromberg Formation, Barberton Mountain Land, South Africa, Rhyolite pillows, Glacier, Landmannalaugar, Iceland, Vancouver Island, British Columbia, Kalapana, Hawaii, Tieton River valley,Washington, Tuff Canyon, Big Bend National Park, Texas, Praia harbor, Cape Verdes, Spalling, Mistaken Quarry, Vancouver Island, British Columbia, Pilot Knob, Austin Texas, Cretaceous magmatic episode, Oligocene mafic sills, Big Bend National Park, Volcanology, Hyaloclastite, Peperite, Paleoenvironmental indicators, Pahoehoe, Standing water, Steam explosion, Heat capacity of water, Lava, Steam envelope, Quenched lava skin, Thermal conductivity, Steam, Steam jacket, Thermal insulator, Soft sediment, Glassy crust, Glassy skins, Clays, Stretch marks, Tubular bag morphology, Twisting tubes, Plagioclase crystals, Basalt liquid, Lava/water interface, Lava area/volume ratio, Water/lava mass ratio, Waves, Breccia, "Broken glass rock", Steam-and-ash plume, Dip, Hyaloclastite delta, Foreset beds, Igneous rock/sediment contact, Peperites, Eruption, Intrusion, Lime mud, Submarine volcano, Dike