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5th International Maar Conference: Sessions on geology, petrology, geophysics, and experiments
From: Greg Valentine <gav4@xxxxxxxxxxx>5th International Maar Conference: Sessions on geology, petrology, geophysics, and experiments
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The 5th International MAAR Conference November 17-22, 2014. Querétaro, Mexico
Conference web site: http://maar2014.geociencias.unam.mx
ABSTRACT SUBMISSION DEADLINE: 30 May 2014
Session 1: Geology, petrology, and geophysics of maar-diatreme volcanoes (architecture and evolution)
Conveners:
Greg Valentine (gav4@xxxxxxxxxxx)
Pierre-Simon Ross (pierre-simon.ross@xxxxxxxxxxx)
James White (james.white@xxxxxxxxxxx)
Gerardo Carrasco-Núñez (gerardoc@xxxxxxxxxxxxxxxxxxx)
This session will explore the physical volcanology, petrology, and geophysics of maar-diatremes. All presentations on these general topics are welcome, but we particularly encourage contributions about the architecture and evolution of these volcanoes. Presentations addressing (but not limited to) the following questions are sought: (1) How does the presence of lithics in tephra rings relate to subsurface processes in diatremes? (2) What are the proportions of juvenile material in diatreme and maar deposits and does evidence of hot emplacement rule out phreatomagmatic activity? (3) What are the criteria for determining whether a maar-diatreme was produced by phreatomagmatic activity versus dry eruption of high volatile-content (e.g., carbon dioxide) magmas? (4) What, if any, are the differences between maar-diatremes emplaced in hard- versus soft-substrates, and what can this tell us about fundamental processes? (5) Are all maar-diatremes produced by highly explosive activity? (6) How can we constrain the energies of phreatomagmatic or other explosions from maar-diatreme data? (7) What is the importance of syn-eruptive subsidence in the evolution of maar-diatremes? (8) How can petrology and/or geophysics help to determine the internal structure of a maar-diatreme volcano?
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Session 6: Experiments and Modeling of explosion and eruption physics relevant to maar-miatreme volcanoes
Conveners:
Bernd Zimanowski (zimano@xxxxxxxxxxxxxxxxxxxxx)
Greg Vallentine (gav4@xxxxxxxxxxx)
Piero Dellino (pierfrancesco.dellino@xxxxxxxx)
Experimental volcanology and modeling based on analytical calculation and numerical simulation became an important field in the past decade of volcanological research. Many aspects of the physical processes leading to the formation of Maar-Diatreme volcanoes are still highly discussed. Contributions are encouraged that provide new insights on magma-water interaction (including results from related studies on submarine and subglacial volcanism), as well as studies on diatreme formation and post explosive transport and deposition.
Gerardo Carrasco-Núñez (gerardoc@xxxxxxxxxxxxxxxxxxx)
This session will explore the physical volcanology, petrology, and geophysics of maar-diatremes. All presentations on these general topics are welcome, but we particularly encourage contributions about the architecture and evolution of these volcanoes. Presentations addressing (but not limited to) the following questions are sought: (1) How does the presence of lithics in tephra rings relate to subsurface processes in diatremes? (2) What are the proportions of juvenile material in diatreme and maar deposits and does evidence of hot emplacement rule out phreatomagmatic activity? (3) What are the criteria for determining whether a maar-diatreme was produced by phreatomagmatic activity versus dry eruption of high volatile-content (e.g., carbon dioxide) magmas? (4) What, if any, are the differences between maar-diatremes emplaced in hard- versus soft-substrates, and what can this tell us about fundamental processes? (5) Are all maar-diatremes produced by highly explosive activity? (6) How can we constrain the energies of phreatomagmatic or other explosions from maar-diatreme data? (7) What is the importance of syn-eruptive subsidence in the evolution of maar-diatremes? (8) How can petrology and/or geophysics help to determine the internal structure of a maar-diatreme volcano?
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Session 6: Experiments and Modeling of explosion and eruption physics relevant to maar-miatreme volcanoes
Conveners:
Bernd Zimanowski (zimano@xxxxxxxxxxxxxxxxxxxxx)
Greg Vallentine (gav4@xxxxxxxxxxx)
Piero Dellino (pierfrancesco.dellino@xxxxxxxx)
Experimental volcanology and modeling based on analytical calculation and numerical simulation became an important field in the past decade of volcanological research. Many aspects of the physical processes leading to the formation of Maar-Diatreme volcanoes are still highly discussed. Contributions are encouraged that provide new insights on magma-water interaction (including results from related studies on submarine and subglacial volcanism), as well as studies on diatreme formation and post explosive transport and deposition.
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