Pillow lava, hyaloclastite and peperite

• Main Author: Barker, Daniel S.
• Format: Conference Object
• Language: English
• Published: 2009
• Subjects: 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; Andesite; Kabuto Cape; Hokkaido; Kromberg Formation; Barberton Mountain Land; South Africa; Rhyolite pillows; Glacier; Landmannalaugar; Vancouver Island; British Columbia; Kalapana; Hawaii; Tieton River valley,Washington; Tuff Canyon; Big Bend National Park; Texas; Spalling; Mistaken Quarry; Pilot Knob; Austin Texas; Cretaceous magmatic episode; Oligocene mafic sills; 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; Austin; glacier
• Online Access: http://hdl.handle.net/2152/6295

One of a series of images with descriptions of igneous and volcanic geological features in field environments. Geological Sciences