GP008
Magnetic Chronostratigraphy

Session ID#: 163110

Session Description:
Paleomagnetic and rock magnetic methods are important for assigning both absolute and relative time to geological sequences. Magnetostratigraphy constitutes a standard dating and correlation tool in the Earth sciences. Astronomically-forced climate cycles encoded rock magnetically have enabled high-resolution time calibration of sedimentary sequences. These techniques allow better dating of the geological record, increased understanding of paleoclimatic and paleoenvironmental changes, and resolution of sedimentation dynamics in tectonically active basins. This session invites contributions that use magnetostratigraphy to date and correlate sedimentary sequences and rock magnetic cyclostratigraphy to assign high-resolution chronostratigraphy to sedimentary sequences.
Index Terms:

1520 Magnetostratigraphy [GEOMAGNETISM AND PALEOMAGNETISM]
1527 Paleomagnetism applied to geologic processes [GEOMAGNETISM AND PALEOMAGNETISM]
1535 Reversals: process, timescale, magnetostratigraphy [GEOMAGNETISM AND PALEOMAGNETISM]
1540 Rock and mineral magnetism [GEOMAGNETISM AND PALEOMAGNETISM]

Primary Convener:  Kenneth P Kodama, Lehigh University, Earth and Environmental Sciences, Bethlehem, PA, United States
Conveners:  Linda A Hinnov1, Christina M M Verhagen2 and Christopher J Lepre2,3, (1)George Mason University Fairfax, Fairfax, VA, United States(2)Rutgers University, Earth and Planetary Sciences, Piscataway, NJ, United States(3)Bowling Green State University Main Campus, School of Earth Environment and Society, Bowling Green, OH, United States
 
New paleomagnetic and rock magnetic cyclostratigraphy for a part of the Calvert Cliffs (Miocene) passive margin deposits (1108748)
Kenneth P Kodama, Lehigh University, Earth and Environmental Sciences, Bethlehem, PA, United States and Frank J Pazzaglia, Lehigh University, Department of Earth and Environmental Sciences, Bethlehem, PA, United States
 
Quantitative Paleosecular Variation Analysis: A New Tool for Assessing Time Using Paleomagnetism (Invited) (1122076)
Courtney Jean Sprain1, Tushar Mittal2, Katie E Bristol3, Raymond A Duraiswami4, Marissa M Tremblay5, Moshammat Mijjum6 and Aristle Monteiro2, (1)University of Florida, Geological Sciences, Gainesville, United States, (2)Penn State, Earth and Planetary Science, University Park, United States, (3)University of Florida, Geological Sciences, Ft Walton Beach, FL, United States, (4)University of Pune, Geology, Pune, India, (5)Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, United States, (6)Purdue University, Earth, Atmospheric, and Planetary Science, West Lafayette, United States
 
Magnetostratigraphy of the late Eocene-early Oligocene Transition (EOT) at the Iberia Abyssal Plain: ODP LEG 149- Hole 900A (1146890)
Ana Paula de Martini de Souza and Luigi Jovane, Universidade de São Paulo, Instituto Oceanográfico, São Paulo, Brazil
 
Testing Geomagnetic Paleointensity to Aid Correlation of Snake River Plain lava flows, southeastern Idaho (1153972)
Melissa Sikes, University of Wisconsin Milwaukee, Milwaukee, WI, United States and Julie A Bowles, University of Wisconsin Milwaukee, Geosciences, Milwaukee, WI, United States
 
Preliminary Results of Chronostratigraphy of Early Paleogene Terrestrial Sedimentary Section in Eastern Montana (1164954)
Hee JUN Cheong1, Courtney Jean Sprain2, Gregory P. Wilson3, Thomas S Tobin4, Paul R Renne5, Raymond R Rogers6, Andrew Tholt5 and Anthony Fuentes5, (1)University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, (2)University of Florida, Department of Geological Sciences, Gainesville, United States, (3)University of Washington, Department of Biology, Seattle, United States, (4)University of Alabama, Department of Geological Sciences, Tuscaloosa, United States, (5)University of California Berkeley, Earth and Planetary Science, Berkeley, United States, (6)Macalester College, Geology Department, Saint Paul, United States
 
Geochronology of Ardipithecus Ramidus Fossil Sites at Gona, Afar Depression, Ethiopia (1165845)
Kahsay Nugsse Tesfay, Baylor University, Waco, TX, United States, Naomi E. Levin, University of Michigan, Earth and Environmental Sciences, Ann Arbor, United States, Gary E. Stinchcomb, University of Memphis, Department of Earth Sciences, Memphis, United States, Scott W. Simpson, Case Western Reserve University, Cleveland, United States, Nelia W Dunbar, New Mexico Institute of Mining and Technology, Socorro, NM, United States, William C. McIntosh, New Mexico Institute Mining & Tech, Socorro, NM, United States, Jay Quade, University of Arizona, Department of Geosciences, Tucson, AZ, United States, Michael Rogers, Southern Connecticut State University, Department of Anthropology, New Haven, CT, United States, Sileshi Semaw, Centro Nacional de Investigación sobre la Evolución Humana, Burgos, Spain, Daniel J Peppe, Baylor University, Terrestrial Paleoclimatology Research Group, Department of Geosciences, Waco, TX, United States and Nelia Dunbar
 
Towards Developing a Probabilistic Approach to Constraining Volcanic Eruptive Intervals Using Geomagnetic Paleosecular Variation (1167279)
Julie A Bowles, University of Wisconsin Milwaukee, Geosciences, Milwaukee, WI, United States
 
Additional evidence from Kenya to indicate a short reversal within the upper Olduvai Subchron (1053728)
Christopher J Lepre1, Grayson Margulies2, Anthony Love2, Emmanuel Abayomi Ladapo1 and Cynthia Liutkus-Pierce2, (1)Bowling Green State University, School of Earth Environment and Society, Bowling Green, United States, (2)Appalachian State University, Department of Geological and Environmental Sciences, Boone, United States
 
Magneto-Biostratigraphy of the Upper Cretaceous and Lower Paleogene, Poty Quarry section of Northeastern, Brazil: Implications to asteroid and volcanism induced changes in paleoenvironment in a shallow marine setting (1088413)
Ricardo Shyu, Institute of Geosciences, University of São Paulo, Department of Sedimentary and Environmental Geology, São Paulo, Brazil, Priyeshu Srivastava, Oceanographic Institute, University of São Paulo, Department of Physical, Chemical and Geological Oceanography, SãoPaulo, Brazil, Guilherme Krahl, Unisinos University, itt Fossil - Instituto Tecnológico de Micropaleontologia, São Leopoldo, Brazil, Gerson Fauth, Unisinos University, itt OCEANEON - Technological Institute for Paleoceanography and Climate Change/Geology Graduate Program, São Leopoldo, Brazil, Enelise Katia Piovesan, Federal University of Pernambuco, Brazil, Department of Geology, Recife, Brazil and Luigi Jovane, University of Sao Paulo, Oceanographic Institute, Sao Paulo, Brazil
 
Phanerozoic Geomagnetic Polarity Time Scale: Status, Potential Mega-Trends, and Challenges (Invited) (1093030)
James G Ogg, Purdue University, West Lafayette, IN, United States; Chengdu University of Technology, Key Laboratory of Deep-time Geography and Environment Reconstruction and Applications, MNR & Institute of Sedimentary Geology, Chengdu, Sichuan, China and Mark Hounslow, Lancaster University, Lancaster Environment Centre, Lancaster, United Kingdom
 
Updated stratigraphy and magnetic mineralogy of the Pleistocene reference loess-palaeosol sequence at Roksolany in southern Ukraine (1089496)
Dmytro Hlavatskyi1, Volodymyr Bakhmutov1,2, Beata Górka-Kostrubiec2, Rafal Szaniawski2 and Tomasz Werner2, (1)National Academy of Sciences of Ukraine, Institute of Geophysics, Kyiv, Ukraine, (2)Polish Academy of Sciences, Institute of Geophysics, Warsaw, Poland
 
Volcanic Chronostratigraphy of the Long and Short-term Geomagnetic Behavior Recorded in Hawaiian volcanoes: Insights From 40Ar/39Ar, K-Ar, NRM and Absolute Paleointensity Determinations (1094414)
Emilio Herrero-Bervera, University of Hawaii at Manoa, Honolulu, HI, United States and Brian Jicha, University of Wisconsin Madison, Geoscience, Madison, United States
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