GP016
Examining Magnetic Features of Environmental and Biological Processes I

Wednesday, 16 December 2020: 17:30-18:30
Virtual
Primary Convener:  Sarah P Slotznick, Dartmouth College, Hanover, NH, United States
Conveners:  Myriam Annie Claire Kars, Kochi University, Center for Advanced Marine Core Research, Nankoku, Japan, Jessica L Till, University of Iceland, Institute of Earth Sciences, Reykjavik, Iceland and Robert G Hatfield, University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States
Primary Liaison:  Sarah P Slotznick, Dartmouth College, Hanover, NH, United States
Chairs:  Sarah P Slotznick, Dartmouth College, Hanover, NH, United States, Myriam Annie Claire Kars, Kochi University, Center for Advanced Marine Core Research, Nankoku, Japan, Jessica L Till, University of Iceland, Institute of Earth Sciences, Reykjavik, Iceland and Robert G Hatfield, University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States
OSPA Liaison:  Sarah P Slotznick, Dartmouth College, Hanover, NH, United States
17:30
Introductory Remarks
17:32
Rock Magnetic Clues to Diagenetic Formation of Bedded Chert Sequences (Invited) (665542)
Alexandra Abrajevitch, Ehime University, Matsuyama, Japan; Institute of Tectonics and Geophysics FEB RAS, Khabarovsk, Russia
17:36
Discussion
17:39
The Scotia Sea Magnetic Susceptibility Record: Coupling of the Deep Ocean and Atmosphere? (763681)
Stefanie A Brachfeld1, Brendan T Reilly2, Lisa Tauxe3, Michael Weber4, Maureen E Raymo5, Vicky L Peck6, Trevor Williams7, Ian Bailey8, Sidney R Hemming9, Suzanne OConnell10, Thomas Ronge11, Bridget K Lee12, Michael R Kaplan9, Kathy Licht13 and IODP Expedition 382 Scientists, (1)Montclair State University, Earth and Environmental Studies, Montclair, NJ, United States, (2)Scripps Institution of Oceanography, La Jolla, CA, United States, (3)Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, United States, (4)University of Bonn, Bonn, Germany, (5)Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (6)NERC British Antarctic Survey, Cambridge, United Kingdom, (7)Lamont Doherty Earth Obs, Palisades, NY, United States, (8)University of Exeter, Camborne School of Mines, Penryn, United Kingdom, (9)Lamont-Doherty Earth Observatory, Palisades, NY, United States, (10)Wesleyan Univ, Middletown, CT, United States, (11)Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany, (12)University of California Riverside, Riverside, CA, United States, (13)IUPUI, Earth Sciences, Indianapolis, IN, United States
17:43
Discussion
17:46
Integrating magnetic susceptibility and colorimetric parameters for palaeoenvironmental reconstructions from loess-palaeosol sequences: A case study from northern Serbia for the last 430 ka (692477)
Christian Laag1,2, Ulrich Hambach2,3, Christian Zeeden4, France Lagroix1, Mladjen Jovanovic5 and Slobodan Markovic5,6, (1)Université de Paris, Institut de Physique du Globe de Paris, CNRS, Paris, France, (2)University of Bayreuth, Chair of Geomorphology, Bayreuth, Germany, (3)University of Bayreuth, BayCEER, Bayreuth, Germany, (4)Leibniz Institute for Applied Geophysics, Section 5, Hannover, Germany, (5)University of Novi Sad, Faculty of Sciences, Novi Sad, Serbia, (6)Serbian Academy of Sciences and Arts, Belgrade, Serbia
17:50
Discussion
17:53
Assessment and Integration of Bulk and Component-specific Methods for Identifying Mineral Magnetic Assemblages in Environmental Magnetism (772406)
Yao Qian1, Andrew P Roberts2, Yan Liu3, Pengxiang Hu2, Xiang Zhao4, David Heslop2, Katharine Grant5, Eelco Johan Rohling6, Rick Hennekam7 and Jinhua LI8, (1)Australian National University, Canberra, ACT, Australia, (2)The Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia, (3)Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (4)Beijing Normal University, Beijing, China, (5)Australian National University, Research School of Earth Sciences, Canberra, Australia, (6)University of Southampton, Southampton, United Kingdom, (7)Utrecht University, Utrecht, Netherlands, (8)Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
17:57
Discussion
18:00
Testing component analysis of remanent magnetization curves with a series of synthetic mixtures: insights into the reliability of unmixing natural samples (734458)
Kuang He1,2, Xiangyu Zhao3, Yongxin Pan1,2, Xiang Zhao4, Huafeng Qin5 and Tongwei Zhang1,2, (1)Paleomagnetism and Geochronology Laboratory, Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (2)France-China Joint Laboratory for Evolution and Development of Magnetotactic MultiCellular Organisms (LIA-MagMC), Chinese Academy of Sciences, Beijing, China, (3)National Institute of Polar Research, Tokyo, Japan, (4)Research School of Earth Sciences, Australian National University, Canberra, Australia, (5)State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
18:04
Discussion
18:07
Magnetic unmixing of conventional and giant coastal marine magnetofossils during the Paleocene-Eocene Thermal Maximum (749380)
Courtney Wagner1, Ioan Lascu2, Peter C Lippert1,3, Ken Livi4, Helen Sears5 and Ramon Egli6, (1)University of Utah, Department of Geology and Geophysics, Salt Lake City, UT, United States, (2)Smithsonian Institution, Washington DC, United States, (3)University of Utah, Global Change and Sustainability Center, Salt Lake City, UT, United States, (4)The Johns Hopkins University, Baltimore, United States, (5)Colby College, Department of Geology, Waterville, ME, United States, (6)Zentralanstalt für Meteorologie und Geodynamik, Wien, Austria
18:11
Discussion
18:14
Microbial community composition influences pyrrhotite dissolution rates: Insights from paired mineral magnetic and genomics studies. (Invited) (668653)
Kathryn Hobart, Department of Earth Sciences, University of Minnesota, Minneapolis, MN, United States, Joshua M Feinberg, University of Minnesota, Institute for Rock Magnetism, Department of Earth & Environmental Sciences, Minneapolis, MN, United States, Jake Bailey, University of Minnesota Twin Cities, Minneapolis, MN, United States and Daniel Jones, New Mexico Institute of Mining and Technology, Earth and Environmental Science, Socorro, NM, United States
18:18
Discussion
18:21
Magnetic signatures of biogeochemical processes at a hydrocarbon contaminated site (665993)
Carolina de Moraes1, Andrea Ustra2, Alexandre Muselli Barbosa3, Carlos Alberto Mendonça4, Cinthia Tengan4, Marianna Tagnin Mollo4 and Rosely Imbernon4, (1)University of Sao Paulo, Sao Paulo, United States, (2)University of Sao Paulo, Geophysics, Sao Paulo, United States, (3)Institute for Technological Research, Sao Paulo, Brazil, (4)University of Sao Paulo, Sao Paulo, Brazil
18:25
Discussion
18:28
Concluding Remarks