DI020
Ancient Earth Evolution: From Magma Ocean Solidification Through the Archean II Posters

Monday, 14 December 2020: 04:00-20:59
Poster
Primary Convener:  Bradford J Foley, Pennsylvania State University Main Campus, University Park, PA, United States
Conveners:  Ann Bauer, University of Wisconsin Madison, Madison, WI, United States, Jesse Ray Reimink, Pennsylvania State University, Department of Geosciences, University Park, PA, United States and Natasha Barrett, University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB, Canada
Primary Liaison:  Bradford J Foley, Pennsylvania State University, State College, PA, United States
Chairs:  Bradford J Foley, Pennsylvania State University, State College, PA, United States, Jesse Ray Reimink, Carnegie Institution for Science, Department of Terrestrial Magnetism, Washington, DC, United States and Natasha Barrett, University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB, Canada
OSPA Liaison:  Ann Bauer, Yale University, New Haven, CT, United States
 
Diamond-Bearing Metasediments Point to Thick, Cool Lithospheric Root Established by the Mesoarchean beneath Parts of the Slave Craton (Canada) (732477)
Suzette Timmerman1, Graham Pearson1, Fabrizio Nestola2, Anetta Banas1, Thomas Stachel1, Richard A Stern1, Jesse Ray Reimink3, Adrien Vezinet1, Alessandro Ielpi4, Cristiana Mircea5 and Valerie Jackson6, (1)University of Alberta, Edmonton, AB, Canada, (2)University of Padua, Department of Geosciences, Padua, Italy, (3)Pennsylvania State University, Department of Geosciences, University Park, PA, United States, (4)Laurentian University, Harquail School of Earth Sciences, Sudbury, ON, Canada, (5)Saskatchewan Research Council, Saskatoon, Canada, (6)Northwest Territories Geological Survey, Yellowknife, Canada
 
Evidence for multi-stage metasomatism and metamorphism of the Mesoarchean Ulamertoq ultramafic body in southern West Greenland (677698)
Ikuya Nishio1, Tomoaki Morishita2, Juan-Miguel Guotana1, Akihiro Tamura1, Keita Itano1, Kristoffer Szilas3, Yumiko Harigane4, Kenichiro Tani5 and Graham Pearson6, (1)Kanazawa University, Department of Earth Science, Kanazawa, Japan, (2)Kanazawa University, Course in Earth and Planetary Science, Kanazawa, Japan, (3)University of Copenhagen, København K, Denmark, (4)Geological Survey of Japan, Tsukuba, Japan, (5)National Museum of Nature and Science, Ibaraki, Japan, (6)University of Alberta, Earth and Atmospheric Sciences, Edmonton, AB, Canada
 
Mesoarchean deposition age for diamond-bearing metasediment of the northwestern Slave craton, Nunavut Territory (Canada) (767088)
Adrien Vezinet1, Jesse Ray Reimink2, Graham Pearson1, Yan Luo3, Alessandro Ielpi4, Suzette Timmerman1, Anetta Banas1, Thomas Stachel5, Fabrizio Nestola6, Richard A Stern1, Cristiana Mircea7 and Valerie Jackson8, (1)University of Alberta, Edmonton, AB, Canada, (2)Carnegie Institution for Science, Department of Terrestrial Magnetism, Washington, DC, United States, (3)University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, Canada, (4)Laurentian University, Harquail School of Earth Sciences, Sudbury, ON, Canada, (5)Univ Alberta, Edmonton, AB, Canada, (6)University of Padua, Department of Geosciences, Padua, Italy, (7)Saskatchewan Research Council, Saskatoon, Canada, (8)Northwest Territories Geoscience Office, Yellowknife, NT, Canada
 
Microstructures from the Isua supracrustal belt reveal distributed strain in the absence of major fault structures (690507)
Jiawei Zuo1, Alexander Webb1, Sandra Piazolo2, Qin Wang3, Thomas Mueller4,5, Anthony Ramírez-Salazar6 and Peter J Haproff7, (1)University of Hong Kong, Hong Kong, Hong Kong, (2)University of Leeds, Earth and Environment, Leeds, United Kingdom, (3)School of Earth Sciences and Engineering, Nanjing University, Nanjing, China, (4)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (5)Georg-August-Universitaet Goettingen, Goettingen, Germany, (6)University of Leeds, Leeds, United Kingdom, (7)University of North Carolina at Wilmington, Earth and Ocean Sciences, Wilmington, NC, United States
 
Modeling an impact-generated Hadean felsic crust (742054)
Jordan Paul Faltys, Matthew M. Wielicki and Harold Stowell, University of Alabama, Geological Sciences, Tuscaloosa, AL, United States
 
Provenance and Tectonic Implications of Archean Fig Tree Group Siliciclastic Rocks in the East-Central Barberton Greenstone Belt, South Africa (733913)
Emily Stoll1, Nadja Drabon1 and Donald R. Lowe2, (1)Harvard University, Cambridge, MA, United States, (2)Stanford Earth Sciences, Stanford, CA, United States
 
Rapid change in surface environment during the Hadean is facilitated by the exposure of high-magnesium peridotites (765818)
Yoshinori Miyazaki, Yale University, Earth and Planetary Sciences, New Haven, CT, United States and Jun Korenaga, Yale University, New Haven, CT, United States
 
Secular Changes in Mantle Composition as Recorded by Tholeiitic Basalts (666589)
Kent C Condie, New Mexico Institute of Mining and Technology, Earth and Environmental Science, Socorro, NM, United States
 
The Magmatic and Metamorphic Record of the 3.5-3.3 Ga Mt. Edgar Complex, Pilbara Craton – Told by Coupled Hf and Nd Isotopes and Garnet Geochronology (717105)
Ross A Salerno, Washington State University, School of the Environment, Pullman, WA, United States, Jeffrey D. Vervoort, Washington State University, Pullman, WA, United States, Christopher M. Fisher, University of Western Australia, Earth & Atmospheric Sciences, Perth, Australia and Anthony I Kemp, University Western Australia, Crawley, WA, Australia
 
The role of continental lithosphere in subduction initiation (714265)
Hee Choi, Pennsylvania State University Main Campus, University Park, PA, United States and Bradford J Foley, Pennsylvania State University, State College, PA, United States
 
Thermal expansion as a mechanism for the initial breaking of Earth's lithosphere into a global plate tectonic network (714076)
A Alexander G Webb, University of Hong Kong, Division of Earth and Space Science and Laboratory for Space Research, Hong Kong, Hong Kong, Chunan Tang, Dalian University of Technoology, State Key Laboratory of Coastal and Offshore Engineering, Dalian, DC, China, William B Moore, Hampton University, Atmospheric and Planetary Sciences, Hampton, VA, United States, Yongyi Wang, Dalian University of Technology, Deep Underground Engineering Research Center, Dalian, China, Tianhui Ma, Dalian University of Technology, State Key Laboratory of Coastal and Offshore Engineering, Dalian, China and Tiantian Chen, Northeastern University, School of Resources and Civil Engineering, Shenyang, China
 
Triple Oxygen Isotope Investigation of Phanerozoic and Precambrian Shales (699658)
Ilya Bindeman and Greg Retallack, University of Oregon, Department of Earth Sciences, Eugene, OR, United States
 
Triple oxygen isotope trend recorded by Precambrian cherts: A perspective from combined bulk and in situ secondary ion probe measurements (696660)
David O Zakharov1, Johanna Marin-Carbonne1, Julien Alleon1 and Ilya Bindeman2, (1)University of Lausanne, Lausanne, Switzerland, (2)University of Oregon, Department of Earth Sciences, Eugene, OR, United States
 
TTG formation via sluggish, drip-like subduction on the early Earth (716027)
Bradford J Foley, Pennsylvania State University Main Campus, University Park, PA, United States
 
Under Pressure: Strain and Stress Constraints on the Longevity of Modern Plate Tectonics Inferred From 3.5 Ga Intrusions in Isukasia, Southwest Greenland (718787)
Sarah Wells-Moran1, Athena Eyster2, Claire I O Nichols3, Meghana Ranganathan2 and Brent Minchew4, (1)Wellesley College, Wellesley, MA, United States, (2)Massachusetts Institute of Technology, Cambridge, MA, United States, (3)University of Cambridge, Cambridge, United Kingdom, (4)Massachusetts Institute of Technology, Department of Earth, Atmospheric and Planetary Sciences, Cambridge, United States
 
Weaker lithospheric dripduction into Archean TTG crust formation (688539)
Prasanna Mahesh Mahesh Gunawardana1, Gabriele Morra2, Priyadarshi Chowdhury1 and Peter A. Cawood1, (1)Monash University, School of Earth, Atmosphere and Environment, Melbourne, VIC, Australia, (2)University of Louisiana at Lafayette, Department of Physics and School of Geosciences, Lafayette, LA, United States