Mid-ocean Ridge and Intraplate Posters

Chadwick, William

D1-1

Geomorphological Analysis of the Underwater Tagoro Volcano (Submarine Slope of El Hierro Island) (202729)

Juan-Tomas Vazquez¹, Desirée Palomino¹, Olga Sánchez-Guillamón¹, Luis Miguel Fernández Salas², Eugenio Fraile-Nuez³, Maria Gómez-Ballesteros⁴, Nieves López-González¹, Olvido Tello⁴, J. Magdalena Santana-Casiano⁵ and Melchor González-Dávila⁶, (1)Instituto Español Oceanografia, Fuengirola - Malaga, Spain, (2)Instituto Español de Oceanografía, Cádiz, Spain, (3)Spanish Institute of Oceanography, Santa Cruz de Tenerife, Spain, (4)Instituto Español de Oceanografía, Madrid, Spain, (5)IOCAG. Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain, (6)Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain

D1-2

Evolution of Seabed Mesoforms in Tagoro Volcano (submarine slope of El Hierro Island) (203061)

Olga Sánchez-Guillamón¹, Luis Miguel Fernández Salas², Juan-Tomas Vazquez¹, Desirée Palomino¹, Eugenio Fraile-Nuez³, Maria Gómez-Ballesteros⁴, Nieves López-González¹, Olvido Tello⁴, J. Magdalena Santana-Casiano⁵ and Melchor González-Dávila⁵, (1)Instituto Español Oceanografia, Fuengirola - Malaga, Spain, (2)Instituto Español de Oceanografía, Cádiz, Spain, (3)Spanish Institute of Oceanography, Santa Cruz de Tenerife, Spain, (4)Instituto Español de Oceanografía, Madrid, Spain, (5)Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain

D1-3

The eruption of the submarine volcano Tagoro at the island of El Hierro, Canary Islands, Spain: 5 years registering physical-chemical anomalies (202199)

Eugenio Fraile-Nuez¹, J. Magdalena Santana-Casiano², Melchor González-Dávila², Carmen Presas-Navarro¹, Juan-Tomas Vazquez¹, Luis Miguel Fernández Salas³, Nieves López-González⁴, Maria Gómez-Ballesteros⁵, Olga Sánchez-Guillamón⁴, Desirée Palomino⁴, Olvido Tello⁵ and Vulcano Team, (1)Spanish Institute of Oceanography, Santa Cruz de Tenerife, Spain, (2)Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain, (3)Instituto Español de Oceanografía, Cádiz, Spain, (4)Instituto Español Oceanografia, Fuengirola - Malaga, Spain, (5)Instituto Español de Oceanografía, Madrid, Spain

D1-4

The trachytic lobe-hyaloclastite complex of the Caldera of Taburiente (La Palma, Canary Islands). (202669)

Ramón Casillas Sr.¹, Julio de La Nuez Pestana Sr.¹, Juan Ramón Colmenero Navarro Sr.², Carlos Fernandez³ and Marisa Quesada Alvarez Sr.¹, (1)University of La Laguna, Biología Animal, Edafología y Geología, La Laguna, Spain, (2)University of Salamanca, Geología, Salamanca, Spain, (3)University of Huelva, Ciencias de la Tierra, Huelva, Spain

D1-5

Characteristics of a Seamount Apron in the South China Sea, Hole U1431E, IODP Expedition 349 (203365)

Kelsie Anne Dadd, University of Sydney, Sydney, Australia and Anthony A P Koppers, Oregon State University, Corvallis, OR, United States

D1-6

Assessment of tephra fallout hazard for the nuclear facilities of China - a case study of Taishan Nuclear Power Plant (TNPP) (203494)

Jiandong Xu, Institute of Geology, China Earthquake Administration, Beijing, China

D1-8

Seamounts and Oceanic Igneous Features in the Northeast Atlantic: A Link Between Plate Motions and Mantle Dynamics (203194)

Carmen Gaina¹, Nicolas Luca Celli², Anett Blischke³, Wolfram H. Geissler⁴, Geoffrey S Kimbell⁵ and Sergei Lebedev², (1)University of Oslo, Centre for Earth Evolution and Dynamics (CEED), Oslo, Norway, (2)Dublin Institute for Advanced Studies, Dublin, Ireland, (3)Organization Not Listed, Washington, DC, United States, (4)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (5)British Geological Survey Keyworth, Nottinghamshire, United Kingdom

D1-9

Characterising the Magmatic Activity of the Bight Basin Igneous Complex of the Australian Southern Margin. (203368)

Joanna M Parr¹, David Robert Mole², Andrew Ross³, Asrarur Rahman Talukder³, Richard Kempton³, Emmanuelle Frery³ and April Picard³, (1)CSIRO, Mineral Resources, North Ryde, Australia, (2)CSIRO, Minerals Resources, Perth, Australia, (3)CSIRO, Energy, Perth, Australia

D1-11

Submarine geology and geomorphology of active sub-Antarctic volcanoes: Heard and McDonald islands (202241)

Sally Joan Watson¹, Millard F Coffin², Joanne M Whittaker³, Vanessa Lucieer¹, Jodi M Fox³, Rebecca Carey⁴, Richard J Arculus⁵, Andrew R Bowie³, Zanna Chase⁶, Robin Robertson⁷, Tara Martin⁸, Frances Cooke⁸ and HEOBI IN2016_V01 Shipboard Party, (1)University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, Australia, (2)University of Tasmania, Hobart, TAS, Australia, (3)University of Tasmania, Hobart, Australia, (4)University of Tasmania, Earth Sciences, Hobart, TAS, Australia, (5)Australian National University, Canberra, Australia, (6)University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, TAS, Australia, (7)UNSW at AFDA, Canberra, Australia, (8)CSIRO Marine and Atmospheric Research Hobart, Hobart, Australia

D1-12

Studland Bay Basalts, Cape Grim, Tasmania, Australia - A world class exposure of submarine basaltic lavas. (203456)

Jodi M Fox¹, Jocelyn McPhie¹ and Rebecca Carey², (1)University of Tasmania, Earth Sciences, Hobart, Australia, (2)University of Tasmania, Earth Sciences, Hobart, TAS, Australia

D1-14

Use of ORP and pH sensors in two-yo studies to map redox and acid-base anomalies in the seawater properties due to hydrothermal activity in shallow areas (202215)

J. Magdalena Santana-Casiano¹, Melchor González-Dávila¹, Eugenio Fraile-Nuez² and Carolina Santana-González¹, (1)IOCAG. Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain, (2)Spanish Institute of Oceanography, Santa Cruz de Tenerife, Spain

D1-15

Tubular Nontronite-Bearing Hydrothermal Deposits from a Galápagos Seamount (202460)

Megan Lubetkin¹, Steven Carey², Katherine A Kelley², Genevieve Robert¹, Winton C Cornell³, Nicole Raineault⁴, Jacob R Balcanoff², Robert D. Ballard^2,4 and Pelayo Salinas de León⁵, (1)Bates College, Geology, Lewiston, ME, United States, (2)Graduate School of Oceanography, University of Rhode Island, Narragansett, RI, United States, (3)University of Tulsa, Geosciences, Tulsa, OK, United States, (4)Ocean Exploration Trust, Narragansett, RI, United States, (5)Charles Darwin Foundation, Santa Cruz, Ecuador

D1-16

Submarine Snapshots of Galápagos Magmatism (202975)

Darin M Schwartz¹, V. Dorsey Wanless¹, Samuel A Soule², Meghan Jones² and Daniel J Fornari², (1)Boise State University, Dept. of Geosciences, Boise, ID, United States, (2)Woods Hole Oceanographic Institution, Geology and Geophysics, Woods Hole, MA, United States

D1-17

Rapid transition from shield to post-erosional volcanism at O’Higgins guyot, Juan Fernández Ridge, Pacific SE (203274)

Luis E. E. Lara¹, Javier Reyes², Gabriel Orozco¹ and Juan Diaz-Naveas³, (1)SERNAGEOMIN National Geology and Mining Service, Santiago, Chile, (2)Universidad de Chile, Santiago, Chile, (3)Pontifica Universidad Catolica de Valparaiso, Escuela de Ciencias del Mar, Valparaiso, Chile

D1-18

Widespread (>100 km) Tephra from a Deep-Sea (>3000 mbsl) Eruption at the Cape Verde Archipelago, Central-East Atlantic Ocean (202270)

Steffen Eisele¹, Lisa Samrock¹, Armin Freundt¹, Thor H Hansteen¹, Abigail K Barker², Steffen Kutterolf¹, Tom Kwasnitschka¹ and Ingo Grevemeyer¹, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)Uppsala University, Uppsala, Sweden

D1-19

Petrologic Controls on Explosive Eruptions from the Pacific-Antarctic Ridge (203261)

Madeline Lewis¹, Paul D Asimow¹ and David C Lund², (1)California Institute of Technology, Pasadena, CA, United States, (2)University of CT at Avery Point, Groton, CT, United States

D1-20

Volcano Morphology and Explosive Eruptions in the Red Sea (203072)

Nico Augustin¹, Colin William Devey¹ and Froukje Marieke van der Zwan², (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)Christian Albrechts University Kiel, Institute of Geosciences, Kiel, Germany

D1-21

Seismic swarm activity at spreading centers in the southern Red Sea, Afar and Gulf of Aden (203285)

Joel Ruch¹, Derek Keir², Ghebrebrhan Ogubazghi³, Domenico Di Giacomo⁴ and Sigurjon Jonsson¹, (1)King Abdullah University of Science and Technology, Thuwal, Saudi Arabia, (2)University of Southampton, Southampton, United Kingdom, (3)Eritrea Institute of Technology, Asmara, Eritrea, (4)ISC, Thatcham, United Kingdom

D1-22

Oblique rift opening and graben reactivation revealed by reoccurring magma intrusions in central Iceland (203276)

Joel Ruch¹, Teng Wang², Wenbin Xu³, Martin Hensch⁴ and Sigurjon Jonsson¹, (1)King Abdullah University of Science and Technology, Thuwal, Saudi Arabia, (2)Southern Methodist University, Dallas, TX, United States, (3)Hong Kong Polytechnic University, Hong Kong, Hong Kong, (4)Icelandic Met Office, Reykjavík, Iceland

D1-23

Earthquake Stress Drop Before, During, and After the 2015 Eruption at Axial Seamount (203092)

Pamela A Moyer¹, Margaret S Boettcher¹ and Delwayne R Bohnenstiehl², (1)University of New Hampshire Main Campus, Durham, NH, United States, (2)North Carolina State Univ., Marine, Earth and Atmospheric Sciences, Raleigh, NC, United States

D1-24

Stressing Rate Changes Associated with the 2015 Axial Seamount Eruption (203107)

Margaret S Boettcher, University of New Hampshire Main Campus, Durham, NH, United States and Delwayne R Bohnenstiehl, North Carolina State Univ., Marine, Earth and Atmospheric Sciences, Raleigh, NC, United States

D1-25

An Advanced Submarine Cabled Observatory on Axial Seamount: Real-time Interaction with an Active Underwater Volcano Through the Internet (203532)

Deborah S Kelley, University of Washington Seattle Campus, Seattle, WA, United States; University of Washington, School of Oceanography, Seattle, WA, United States and Cabled Array Team

D1-26

Quantitative Surface Evolution of Hydrothermal Edifices at the Endeavour Segment, Juan de Fuca Ridge (203202)

Tom Kwasnitschka, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, Kim Juniper, University of Victoria, Ocean Networks Canada, Victoria, BC, Canada and Deborah S Kelley, University of Washington Seattle Campus, Seattle, WA, United States

D1-27

Examination of the Axial 2011 and 2015 lava flows from high-resolution AUV bathymetry and ROV dives (203444)

Jennifer Brophy Paduan¹, David A Clague², William W. Chadwick Jr.³, David W Caress², Brian M Dreyer⁴, Morgane Le Saout² and Hans J Thomas⁵, (1)Monterey Bay Aquarium Res Inst, Moss Landing, CA, United States, (2)Monterey Bay Aquarium Research Institute, Watsonville, CA, United States, (3)Oregon State University/NOAA/PMEL, CIMRS, Newport, OR, United States, (4)University of California Santa Cruz, Santa Cruz, CA, United States, (5)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States

D1-28

Morphological variability of the top of large inflated pillow mounds: indication about eruptive processes (203520)

Morgane Le Saout¹, David A Clague² and Jennifer Brophy Paduan², (1)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (2)Monterey Bay Aquarium Research Institute, Watsonville, CA, United States

D1-29

Eruption Dynamics on the Global Mid-Ocean Ridge System (203181)

Samuel A Soule, Woods Hole Oceanographic Institution, Geology and Geophysics, Woods Hole, MA, United States, James E Gardner, University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States, Helge Gonnermann, Rice University, Department of Earth Science, Houston, TX, United States and Meghan Jones, Massachusetts Institute of Technology, Cambridge, MA, United States

D1-30

Young lava flows on 20 Ma crust in the North Atlantic (203119)

Tatum Miko Laforteza Herrero, Nico Augustin, Colin William Devey and Isobel A Yeo, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany

D1-31

Magmatic Processes Inferred from Chemical Composition and Texture of the Lavas in Ashikule Volcanic Cluster, Western Kunlun, China (203507)

Hongmei Yu, Bo Zhao and Jiandong Xu, Institute of Geology, China Earthquake Administration, Beijing, China

D1-32

Major and trace element and isotopic constraints on magma systematics in lavas from the Mid-Cayman Spreading Center (203278)

Marion L Lytle, Boise State University, Boise, ID, United States, V. Dorsey Wanless, Boise State University, Dept. of Geosciences, Boise, ID, United States and Darin M Schwartz, Boise State University, Geoscienece, Boise, ID, United States

D1-33

Mixing and hybridization in basalt-to-rhyolite magmatism on an intermediate spreading mid-ocean ridge, Alarcon Rise, EPR. (203075)

Brian M Dreyer, University of California Santa Cruz, Santa Cruz, CA, United States, Ryan A Portner, Brown University, Providence, RI, United States and David A Clague, Monterey Bay Aquarium Research Institute, Watsonville, CA, United States

D1-34

Seamount Calderas and Craters- Keys to Submarine Magmatic and Volcanic Processes (203147)

Daniel J Fornari, Woods Hole Oceanographic Institution, Woods Hole, MA, United States; WHOI, Geology and Geophysics, Woods Hole, MA, United States, Michael R Perfit, Univ of Florida, Gainesville, FL, United States, Patricia M Gregg, University of Illinois at Urbana Champaign, Urbana, IL, United States and V. Dorsey Wanless, Boise State University, Dept. of Geosciences, Boise, ID, United States

D1-35

A continuous 65 ka time series of magma compositions at the Juan de Fuca ridge from sediment-hosted volcanic glass (204023)

David Ferguson^1,2, Charles H Langmuir¹, Yinqi Li^1,3, Kassandra Costa^4,5, Jerry F McManus^6,7, Peter J Huybers⁸ and Suzanne M Carbotte⁹, (1)Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States, (2)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (3)Zhejiang University, School of Earth Sciences, Hangzhou, China, (4)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (5)Columbia University, Lamont-Doherty Earth Observatory, Earth and Environmental Sciences, Palisades, NY, United States, (6)Columbia University of New York, Palisades, NY, United States, (7)Columbia University & Lamont-Doherty Earth Observatory, Palisades, NY, United States, (8)Harvard University, Cambridge, MA, United States, (9)Lamont-Doherty Earth Obs, Palisades, NY, United States