OS43D:
Scientific and Technical Advances in Mapping and Characterizing Seafloor Volcanism and Hydrothermal Processes II

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Session ID#: 15134

Session Description:
More than 70% of the Earth is covered by oceanic lithosphere yet the accretion and subsequent evolution of this lithosphere remains poorly understood. Seafloor volcanism is manifested through oceanic spreading centers, back-arcs, arcs and hot-spot volcanism. These, in turn, give rise to associated seafloor processes that are diverse, complex and integrated, meaning that cross-disciplinary research is essential to understand how these different components interact. Historically data collection has been hampered by the difficulty of making detailed observations of the deep ocean floor and only recently have technological and methodological innovations made it possible to collect comprehensive, detailed datasets. In this session we invite contributions related to the scientific application of these new methodologies to studying processes associated with seafloor volcanism. Scientific findings in volcanic accretion, tectonic extension, hydrothermal cooling and biodiversity as well as interdisciplinary research combining these topics is particularly welcomed.
Primary Convener:  Timothy J Crone, Lamont-Doherty Earth Observatory, Palisades, NY, United States
Conveners:  Timothy J Crone, Lamont-Doherty Earth Observatory, Palisades, NY, United States and Delwayne R Bohnenstiehl, North Carolina State University, Marine, Earth and Atmospheric Sciences, Raleigh, United States
Chairs:  Timothy J Crone, Lamont-Doherty Earth Observatory, Palisades, NY, United States and Delwayne R Bohnenstiehl, North Carolina State University, Marine, Earth and Atmospheric Sciences, Raleigh, United States
OSPA Liaison:  Isobel A Yeo, National Oceanography Centre, Southampton, United Kingdom
Index Terms:

3045 Seafloor morphology, geology, and geophysics [MARINE GEOLOGY AND GEOPHYSICS]
3050 Ocean observatories and experiments [MARINE GEOLOGY AND GEOPHYSICS]
3094 Instruments and techniques [MARINE GEOLOGY AND GEOPHYSICS]

Abstracts Submitted to this Session:

Structure and Evolution of Hawaii’s Loihi Seamount from High-resolution Mapping (125461)
David A Clague1, Jennifer Brophy Paduan1, Craig L Moyer2, Brian T Glazer3, David W Caress1, Dana Yoerger4 and Carl L Kaiser5, (1)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (2)Western Washington University, Bellingham, WA, United States, (3)University of Hawaii at Manoa, Honolulu, HI, United States, (4)Woods Hole Oceanographic Institution, United States, (5)Woods Hole Oceanographic Institution, Applied Ocean Physics and Engineering, Woods Hole, MA, United States
High-resolution bathymetry as a primary exploration tool for seafloor massive sulfide deposits – lessons learned from exploration on the Mid-Atlantic and Juan de Fuca Ridges, and northern Lau Basin (Invited) (127608)
John William Jamieson1, David A Clague2, Sven Petersen3, Isobel A Yeo4, Javier Escartin5 and Tom Kwasnitschka3, (1)Memorial University of Newfoundland, St John's, NL, Canada, (2)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (3)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (4)National Oceanography Centre, Southampton, United Kingdom, (5)Institut de Physique du Globe, Paris, France
Hydrothermal Plume Activity at Teahitia Seamount: Re-Awakening of the Society Islands Hot-Spot? (152196)
Christopher R German1, Guangyu Xu1, Isobel A Yeo2, Sharon L Walker3, James W Moffett4, Gregory A Cutter5, Colin William Devey6, Olivier Hyvernaud7, Dominique Reymond7 and Joseph A Resing8, (1)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (2)National Oceanography Centre, Southampton, United Kingdom, (3)NOAA Seattle, Seattle, WA, United States, (4)University of Southern California, Department of Biological Sciences, Los Angeles, United States, (5)Old Dominion University, Ocean and Earth Sciences, Norfolk, VA, United States, (6)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (7)Laboratoire de Géophysique Tahiti, CEA/LDG, Papeete, French Polynesia, (8)University of Washington PMEL/NOAA, Joint Institute for the Study of the Atmosphere and Ocean, Seattle, WA, United States
Quantifying Coseismic Normal Fault Rupture at the Seafloor: The 2004 Les Saintes Earthquake Along the Roseau Fault (French Antilles) (Invited) (152601)
Javier Escartin, Institut de Physique du Globe, Paris, France, Jean-Arthur L Olive, WHOI, Woods Hole, United States, Frédérique Leclerc, Géoazur, Nice-Sophia Antipolis University, Nice, France, Rafael Garcia, University of Girona, Girona, Spain, Nuno Gracias, Underwater Robotics Research Center, Computer Vision and Robotics Institute, Universitat de Girona, Girona, Spain and The ODEMAR Science Party, Institut de Physique du Globe de Paris, Paris, France
Virtual Vents: A Microbathymetrical Survey of the Niua South Hydrothermal Field, NE Lau Basin, Tonga (159385)
Tom Kwasnitschka1, Kevin Köser1, Alexander Duda2, John William Jamieson3, Rachel Boschen4, Amy Gartman5, Mark D Hannington6 and Cardinia Funganitao7, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)German Center for Artificial Intelligence, Bremen, Germany, (3)Memorial University of Newfoundland, St John's, NL, Canada, (4)University of Victoria, Victoria, BC, Canada, (5)USGS Pacific Coastal and Marine Science Center Santa Cruz, Santa Cruz, United States, (6)University of Ottawa, Earth and Environmental Sciences, Ottawa, ON, Canada, (7)Tonga Geological Services-Natural Resources Division, Nuku’alofa, Tonga
Cross-correlation-based earthquake relocation and ambient noise imaging at Axial Seamount (164036)
Yen Joe Tan1, Felix Waldhauser1, Maya Tolstoy2 and William S D Wilcock3, (1)Columbia University of New York, Palisades, NY, United States, (2)University of Washington, College of the Environment, Seattle, United States, (3)University of Washington Seattle Campus, School of Oceanography, Seattle, United States
Seafloor Characteristics and Bathymetric Change at Hunga Tonga-Hunga Ha'apai (181316)
Vicki Lynn Ferrini, Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States, Hannah Spierer, Barnard College, New York, NY, United States, Colleen Peters, Schmidt Ocean Institute, Palo alto, CA, United States and James Brian Garvin, NASA Goddard Space Flight Center, Greenbelt, MD, United States

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