MR029
From Crack Tips to Mountaintops: Interactions Between Environment, Fracture Growth, and Surface Processes in Bedrock Landscapes I

Thursday, 17 December 2020: 05:30-06:30
Virtual
Primary Convener:  Jill A Marshall, University of Arkansas, Geosciences, Fayetteville, AR, United States
Conveners:  Philip G Meredith, University College London, Rock and Ice Physics and Seismological Laboratory, London, United Kingdom, Martha Cary C Eppes, UNC Charlotte, Charlotte, NC, United States and Thomas A Dewers, Sandia National Laboratories, Nuclear Waste Disposal Research and Analysis, Albuquerque, NM, United States
Primary Liaison:  Jill A Marshall, University of Arkansas, Geosciences, Fayetteville, AR, United States
Chairs:  Jill A Marshall, University of Arkansas, Geosciences, Fayetteville, AR, United States, Thomas A Dewers, Sandia National Laboratories, Nuclear Waste Disposal Research and Analysis, Albuquerque, NM, United States, Philip G Meredith, University College London, Rock and Ice Physics and Seismological Laboratory, London, United Kingdom and Martha Cary C Eppes, UNC Charlotte, Charlotte, NC, United States
OSPA Liaison:  Thomas A Dewers, Sandia National Laboratories, Nuclear Waste Disposal Research and Analysis, Albuquerque, NM, United States
05:30
Introductory Remarks
05:34
Gravitational Stresses in Natural Rock Arches: Implications for Subcritical Crack Growth (673054)
Jeffrey R Moore1, Riley Finnegan2 and Paul R. Geimer2, (1)University of Utah, Salt Lake City, UT, United States, (2)University of Utah, Geology and Geophysics, Salt Lake City, UT, United States
05:38
Stress and Strain Resulting from Water Adsorption on an Induced Tensile Fracture in Fine Grained Granite (775652)
Kerry Leith1, Ying Li2, Paul Selvadurai1, Matthew Perras3 and Simon Loew1, (1)ETH Zurich, Zurich, Switzerland, (2)ETH Zurich, Earth Sciences, Zurich, Switzerland, (3)York University, Lassonde School of Engineering, Toronto, Canada
05:42
Differential mechanical weathering and the evolution of topographic asymmetry in the Antarctic Dry Valleys (729643)
Matan Ben Asher1, Amit Mushkin1, Martha Cary C Eppes2, Nadav G Lensky1, Douglas W Ming3 and Ronald S Sletten4, (1)Geological Survey of Israel, Jerusalem, Israel, (2)UNC Charlotte, Charlotte, NC, United States, (3)NASA Johnson Space Center, Houston, TX, United States, (4)University of Washington, Quaternary Research Center, Earth and Space Sciences, Seattle, WA, United States
05:46
Coupled brittle and chemical processes at the bedrock-sediment interface: significance for flow and energy resources (Invited) (757362)
Peter Eichhubl1, Owen Callahan2 and Mahdi Haddad1, (1)The University of Texas at Austin, Bureau of Economic Geology, Austin, TX, United States, (2)The University of Texas at Austin, Bureau of Econmic Geology, Austin, TX, United States
05:50
Stress field influences on bedrock fracture openness in the deep subsurface at Forsmark, Sweden (Invited) (679597)
Seulgi Moon1, J Taylor Perron2, Stephen J Martel3, Brad Goodfellow4, Diego Mas Ivars5,6, Adrian Hall7, Jakob Heyman8, Raymond Munier9, Jens-Ove Naslund5, Assen Simeonov5 and Arjen P Stroeven7,10, (1)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, (2)MIT---EAPS, Cambridge, MA, United States, (3)Univ Hawaii, Honolulu, HI, United States, (4)Stockholm University, Stockholm, Sweden, (5)SKB Swedish Nuclear Fuel and Waste Management, Stockholm, Sweden, (6)KTH Royal Institute of Technology, Department of Soil and Rock Mechanics, Stockholm, Sweden, (7)Stockholm University, Department of Physical Geography, Stockholm, Sweden, (8)University of Gothenburg, Department of Earth Sciences, Gothenburg, Sweden, (9)SKB Swedish Nuclear Fuel and Waste, Stockholm, Sweden, (10)Stockholm University, Bolin Centre for Climate Research, Stockholm, Sweden
05:54
A Field Study on the Interaction between Bedrock Cracking and Erosion of Various Lithologies (737980)
Jeffrey E Larimer, University of Idaho, Department of Geological Sciences, Moscow, ID, United States, Brian J Yanites, Indiana University Bloomington, Earth and Atmospheric Sciences, Bloomington, IN, United States and Sj Jung, University of Idaho, Department of Civil and Environmental Engineering, Moscow, ID, United States
05:58
Plato’s cube and the natural geometry of fragmentation (672660)
Douglas J Jerolmack, University of Pennsylvania, Mechanical Engineering and Applied Mechanics, Philadelphia, PA, United States, Gabor Domokos, Budapest University of Technology and Economics, Budapest, Hungary, Ferenc Kun, University of Debrecen, Debrecen, Hungary and János Török Török, Budapest University of Technology and Economics, Institute of Physics, Budapest, Hungary
06:02
Discussion