V44C:
What Can Pyroclasts Tell Us? Multiparametric Approaches to Decipher the Record of Volcanic Eruptions I


Session ID#: 9806

Session Description:
Pyroclasts are magma fragments. They capture information on unobservable processes that govern volcanic eruptions. We will explore the forefront of analysis and interpretation of pyroclasts and pyroclastic deposits, and the consequences for volcanic hazard studies. We welcome contributions from field and experimental volcanology, geophysical monitoring, computational modeling, geochemistry, petrology, tephrochemistry and microanalytical techniques to build dialogues between diverse disciplines about how best to decipher the record of volcanic eruptions preserved in pyroclasts. Specifically we hope to address (1) the processes driving magma generation and storage, (2) its dynamic evolution in crust and conduit, (3) pre-eruptive degassing and volcanic CO2 emissions, (4) the dynamics of fragmentation, particle ejection and transport, (5) the fingerprinting of volcanic deposits, (6) the areal extent, distribution and stratigraphic correlation of volcanic units, (7) the evidence for magmatic processes stored in distal volcanic records and (8) the impact of large eruptions on the past and present environment.
Primary Convener:  Corrado Cimarelli, Ludwig-Maximilians-Universität (LMU), Munich, Germany
Conveners:  Emma Gatti, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Ulrich Kueppers, Ludwig-Maximilians-Universität (LMU), Munich, Germany and Nicholas J G Pearce, Aberystwyth University, Aberystwyth, United Kingdom
Chairs:  Ulrich Kueppers, Ludwig-Maximilians-Universität (LMU), Munich, Germany and Emma Gatti, NASA Jet Propulsion Laboratory, Pasadena, CA, United States
OSPA Liaison:  Corrado Cimarelli, Ludwig-Maximilians-Universität (LMU), Munich, Germany

Cross-Listed:
  • S - Seismology
Index Terms:

8414 Eruption mechanisms and flow emplacement [VOLCANOLOGY]
8428 Explosive volcanism [VOLCANOLOGY]
8439 Physics and chemistry of magma bodies [VOLCANOLOGY]
8455 Tephrochronology [VOLCANOLOGY]

Abstracts Submitted to this Session:

Scoria Fallout Modeling and the 3 March 2015 VEI-2 Eruption of Villarica Volcano, Chile (83732)
Jacob Anderson1, Jeffrey Bruce Johnson1, Daniel C Bowman2, Tim Ronan3 and Brittany D Brand4, (1)Boise State University, Department of Geosciences, Boise, ID, United States, (2)University of North Carolina at Chapel Hill, Chapel Hill, NC, United States, (3)Boise State University, Boise, ID, United States, (4)Boise State University, Geosciences, Boise, United States
Reconstructing Magma Degassing and Fragmentation: The 1060 CE Plinian Eruption of Medicine Lake Volcano, California (66346)
Thomas Giachetti, University of Oregon, Earth Sciences, Eugene, United States, Helge Martin Gonnermann, Rice University, Houston, TX, United States and Josh A Crozier, USGS CalVo, Menlo Park, United States
What Controls the Sizes and Shapes of Volcanic Ash? Integrating Morphological, Textural and Geochemical Ash Properties to Decipher Eruptive Processes (Invited) (65890)
Emma J Liu, Katharine V Cashman and Alison Rust, University of Bristol, Bristol, United Kingdom
How pyroclastic flows attain high velocities– new insights from large-scale experiments (62963)
Eric Breard, Massey University, Palmeston North, New Zealand, Gert Lube, Massey University, School of Agriculture and Environment, Palmeston North, New Zealand, Jim Jones, Massey University, School of Engineering and Advanced Technology, Palmerston North, New Zealand and Greg Valentine, University at Buffalo, Buffalo, NY, United States
Steadiness in Dilute Pyroclastic Density Currents (Invited) (72454)
Benjamin James Andrews, Smithsonian Institution, Global Volcanism Program, Washington, DC, United States
Ignimbrites to Batholiths (Invited) (58530)
Olivier Bachmann, ETH Zurich, Institute of Geochemistry and Petrology, Zurich, Switzerland, Peter W Lipman, USGS California Water Science Center Menlo Park, Menlo Park, CA, United States, Christian Huber, Georgia Institute of Technology Main Campus, School of Earth and Atmospheric Sciences, Atlanta, GA, United States and Chad Daniel Deering, Michigan Technological University, Department of Geological and Mining Engineering & Sciences, Houghton, MI, United States
Immobile Trace Element Discrimination of Near-cogenetic Eruptions (79302)
Igor M Villa, University of Bern, Institute of Geological Sciences, Bern, Switzerland
On the longevity of silicic magma based on multi-isotope investigation of zircons and modeling their survivals destinies (Invited) (75146)
Ilya Bindeman, University of Oregon, Department of Earth Sciences, Eugene, OR, United States, Joern-frederik Wotzlaw, University of Geneva, Geneva, Switzerland; ETH-Zurich,, Earth Sciences,, Zurich, Switzerland and Oleg E Melnik, University of Oxford, Department of Earth Sciences, Oxford, United Kingdom

See more of: Volcanology, Geochemistry and Petrology