Hydrothermal activity

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Title: Hydrothermal activity
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 Volcanic rocks Igneous rocks Field geology Hydrothermal H2O water CO2 carbon dioxide H2S Hydrogen sulfide SO2 sulfur dioxide Springs Ducktown, Tennessee Rincon de la Vieja, Costa Rica Geothermal steam condenser Kenya Krafla caldera, Iceland Krafla geothermal power station, Iceland Wallenborg, West Eifel, Germany Wallenborg spring Horseshoe Lake area, Long Valley Caldera, California Vulcano Italy Vulcanello, Italy Hot acid pool, Krafla, Iceland Travertine terraces, Mammoth Hot Springs, Yellowstone Whakawerera thermal area, North Island, New Zealand Champagne Pool, Whakawerera, New Zealand Strokkur ("the Churn") geysir (geyser) Iceland Geysir (geyser) , Whakawerera thermal area, North Island, New Zealand Geysir (geyser) , Fountain Paint Pot trail, Yellowstone Old Faithful, Yellowstone Mudpot, Bumpass Hell, Lassen Peak, California Mudpot with black iron sulfide scum, Bumpass Hell Black Dragon mudpot, Yellowstone Mudpot, Whakawerera thermal area, New Zealand Mudpot, Krafla, Iceland Hippo Pool mudpot, Vulcano Mud volcanoes, Fountain Paint Pot, Yellowstone Steam puff on fault scarp Ngakuru Graben, New Zealand Vesuvius, Italy Solfatara tuff cone and fumaroles Immanuel Friedlaender Friedlaender Observatory, Solfatara, Italy Onakudami, Hakone volcano, Japan Cooking in fumaroles, Hakone volcano, Honshu Hveravillir, Iceland Magma Lava Hot springs Mudpot Geysir Geyser Fumarole Hydrothermal alteration Hydrothermal activity Devitrification Sulfide oxidation Sulfur-rich gases Copper smelter Acid crater lake Irrigation Geothermal steam Geothermal hot water pipeline Fault scarp, Nesjavellir, Iceland Fault Laacher See, East Eifel district, Germany Polygonal joint columns Carbon dioxide bubbling spring Ground percolation of carbon dioxide Devegetation Hydrogen sulfide spring Hydrated iron (Fe) oxide Hydrated aluminum (Al) oxide Sulfate Clay Boiling pool, Krafla, Iceland Ore-grade gold Original Geysir, Iceland Extinct geyser Mud baths Bacterial count Mud minivolcano, Whakawerera, New Zealand Volcanic vent Fumarole, Solfatara, Italy Sulfur needles, fumarole, Solfatara Arsenic sulfide Cable cars Volcano safety Mineral precipitates Fumarole sound effects Lake Rotomahana, New Zealand
URI: http://hdl.handle.net/2152/6263
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.
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