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Volcanic gas reservoirs are the new natural gas frontier. Once thought too complex, too harsh on the drilling bit, and too difficult to characterize, reservoir engineers and petroleum geologists alike now manage more advanced seismic and logging tools, making these ""impossible"" field developments possible. Bridging meaningful information about these complicated provinces and linking various unconventional methods and techniques, Volcanic Gas Reservoir Characterization: Describes a set of leading-edge integrated volcanic gas reservoir characterization techniques, helping

Volcanic gas reservoirs -- China. --- Volcanic gas reservoirs. --- Volcanic gas reservoirs --- Geology --- Earth & Environmental Sciences --- Dynamic & Structural Geology --- Volcanology

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This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact

Science: general issues --- Physical geography & topography --- volcanic gases --- Volcanoes --- fumaroles --- volcanic gas emissions ---  fumarolic

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This Special Issue comprises 12 papers from authors in 10 countries with new insights on the close coupling between magma as an energy and fluid source with hydrothermal systems for the primary control of magmatic behavior. Data and interpretation are provided on the rise of magma through a hydrothermal system, the relative timing of magmatic and hydrothermal events, the temporal evolution of supercritical aqueous fluids associated with ore formation, the magmatic and meteoric contributions of water to the systems, the big picture for the highly active Krafla Caldera, Iceland, as well as the implications of results from drilling at Krafla concerning the magma–hydrothermal boundary. Some of the more provocative concepts are that magma can intrude a hydrothermal system silently, that coplanar and coeval seismic events signal “magma fracking” beneath active volcanoes, that intrusive accumulations may far outlast volcanism, that arid climate favors formation of large magma chambers, and that even relatively dry rhyolite magma can rapidly convect and so lack a crystallizing mush roof. A shared theme is that hydrothermal and magmatic reservoirs need to be treated as a single system.

Research & information: general --- la soufrière --- guadeloupe --- volcanic gas --- volcanic unrest --- hydrothermal gas --- multigas --- extensometry --- Krafla volcano --- geothermal systems --- conceptual models --- volcanology --- magma --- hydrothermal --- fracking --- volcanoes --- Kamchatka --- igneous petrology --- tectonics --- heat flow --- glaciation --- climate --- incremental pluton emplacement --- contact metamorphism --- petrochronology --- titanite --- zircon --- U-Pb dating --- thermometry --- hydrothermal fluids --- incremental intrusion --- hydrothermal fluid --- microstructure --- dissolution --- precipitation --- textural coarsening --- alteration --- porosity --- eruption --- fracture --- permeability --- dome emplacement --- hydrothermal system --- RSAM --- tremor --- gliding spectral lines --- White Island --- phreatic eruptions --- geyser --- Uzon --- CO2 --- TOUGH2 --- modeling --- Kirishima volcano group --- Ebinokogen Ioyama volcano --- geothermal activity --- multiple hydrothermal system --- magmatic hydrothermal eruption --- kick upwelling --- Erdenet Cu–Mo deposit --- cathodoluminescence --- supercritical fluid --- transient fluid pressure --- magmatic-hydrothermal system --- fluid inclusion --- magma energy --- magma convection --- heat flux --- geothermal energy --- magma–hydrothermal --- heat transport --- gas and fluid geochemistry --- phreatic eruption --- volcano monitoring --- geophysical imaging --- drilling

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• EndNote
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This Special Issue comprises 12 papers from authors in 10 countries with new insights on the close coupling between magma as an energy and fluid source with hydrothermal systems for the primary control of magmatic behavior. Data and interpretation are provided on the rise of magma through a hydrothermal system, the relative timing of magmatic and hydrothermal events, the temporal evolution of supercritical aqueous fluids associated with ore formation, the magmatic and meteoric contributions of water to the systems, the big picture for the highly active Krafla Caldera, Iceland, as well as the implications of results from drilling at Krafla concerning the magma–hydrothermal boundary. Some of the more provocative concepts are that magma can intrude a hydrothermal system silently, that coplanar and coeval seismic events signal “magma fracking” beneath active volcanoes, that intrusive accumulations may far outlast volcanism, that arid climate favors formation of large magma chambers, and that even relatively dry rhyolite magma can rapidly convect and so lack a crystallizing mush roof. A shared theme is that hydrothermal and magmatic reservoirs need to be treated as a single system.

Research & information: general --- la soufrière --- guadeloupe --- volcanic gas --- volcanic unrest --- hydrothermal gas --- multigas --- extensometry --- Krafla volcano --- geothermal systems --- conceptual models --- volcanology --- magma --- hydrothermal --- fracking --- volcanoes --- Kamchatka --- igneous petrology --- tectonics --- heat flow --- glaciation --- climate --- incremental pluton emplacement --- contact metamorphism --- petrochronology --- titanite --- zircon --- U-Pb dating --- thermometry --- hydrothermal fluids --- incremental intrusion --- hydrothermal fluid --- microstructure --- dissolution --- precipitation --- textural coarsening --- alteration --- porosity --- eruption --- fracture --- permeability --- dome emplacement --- hydrothermal system --- RSAM --- tremor --- gliding spectral lines --- White Island --- phreatic eruptions --- geyser --- Uzon --- CO2 --- TOUGH2 --- modeling --- Kirishima volcano group --- Ebinokogen Ioyama volcano --- geothermal activity --- multiple hydrothermal system --- magmatic hydrothermal eruption --- kick upwelling --- Erdenet Cu–Mo deposit --- cathodoluminescence --- supercritical fluid --- transient fluid pressure --- magmatic-hydrothermal system --- fluid inclusion --- magma energy --- magma convection --- heat flux --- geothermal energy --- magma–hydrothermal --- heat transport --- gas and fluid geochemistry --- phreatic eruption --- volcano monitoring --- geophysical imaging --- drilling