GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 7
Sunday, 25 September 2016: 8:00 AM-12:00 PM
Room 407 (Colorado Convention Center)

T65. Precambrian Evolution and Mineral Resources of the Midcontinent Rift Region I: In Honor of William J. Hinze

GSA Geophysics Division; Society of Economic Geologists; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Sedimentary Geology Division; SEPM (Society for Sedimentary Geology)
Benjamin J. Drenth, Joyashish Thakurta and William F. Cannon, Advocates
 
8:00 AM
Introductory Remarks
7-1
8:15 AM
ALMOST AN OCEAN–THE EVOLUTION OF THE 1.1 GA MIDCONTINENT RIFT (Invited Presentation)
SCHULZ, Klaus J., U.S. Geological Survey, 954 National Center, Reston, VA 20192, NICHOLSON, Suzanne W., U.S. Geological Survey, 954 National Center, 12201 Sunrise Valley Dr, Reston, VA 20192, WOODRUFF, Laurel G., U.S. Geological Survey, 2280 Woodale Drive, Mounds View, MN 55112 and CANNON, William F., US Geological Survey, 12201 Sunrise Valley Dr, MS 954, Reston, VA 20192-0001, kschulz@usgs.gov
7-2
8:35 AM
REFLECTIONS ON THE MIDCONTINENT RIFT SYSTEM (Invited Presentation)
HINZE, William J., Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN 47906, wjh730@comcast.net
7-3
8:55 AM
NEW GEOCHRONOLOGIC AND PALEOMAGNETIC CONSTRAINTS ON MIDCONTINENT RIFT DEVELOPMENT
SWANSON-HYSELL, Nicholas L.1, RAMEZANI, Jahandar2, FAIRCHILD, Luke M.1 and ROSE, Ian1, (1)Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, (2)Dept. of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139, swanson-hysell@berkeley.edu
7-4
9:10 AM
THE END OF MIDCONTINENT RIFT MAGMATISM AND THE PALEOGEOGRAPHY OF LAURENTIA
FAIRCHILD, Luke M., Department of Earth and Planetary Science, University of California, Berkeley, UC Berkeley-Dept of EPS, 307 McCone Hall, Berkeley, CA 94720, SWANSON-HYSELL, Nicholas L., Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, RAMEZANI, Jahandar, Dept. of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139, SPRAIN, Courtney J., University of California Berkeley, 307 McCone Hall, Berkeley, CA 94720 and BOWRING, Samuel A., Dept. of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, lfairchild@berkeley.edu
7-5
9:40 AM
Withdrawn
 
9:55 AM
Break
7-7
10:10 AM
A COMPREHENSIVE SEISMIC INVESTIGATION OF THE MID-CONTINENT RIFT FROM USARRAY AND SPREE
SHEN, Weisen1, WIENS, Douglas1, ALEQABI, Ghassan1, VAN DER LEE, Suzan2, STEIN, Seth2, WYSESSION, Michael E.1, FREDERIKSEN, Andrew3, DARBYSHIRE, Fiona4, ZHANG, Hao2, WOLIN, Emily5 and BOLLMANN, Trevor2, (1)Department of Earth and Planetary Sciences, Washington University in St Louis, One Brookings Dr., Campus Box 1169, St Louis, MO 63112, (2)Earth and Planetary Sciences, Northwestern University, Tech F379, 2145 Sheridan Rd, Evanston, IL 60208, (3)Department of Geological Sciences, University of Manitoba, Winnipeg, MB MB R3T 2N2, Canada, (4)Geotop, University of Quebec, Montreal, QC H3C3P8, Canada, (5)Earthquake Science Center, USGS, Pasadena, CA 91106, weisen.shen@levee.wustl.edu
7-8
10:25 AM
DISTINCT CRUSTAL STRUCTURE OF THE NORTH AMERICAN MID-CONTINENT RIFT FROM P WAVE RECEIVER FUNCTIONS 
ZHANG, Hao1, VAN DER LEE, Suzan1, WOLIN, Emily2, BOLLMANN, Trevor1, REVENAUGH, Justin3, WIENS, Douglas4, FREDERIKSEN, Andrew5, DARBYSHIRE, Fiona6, ALEQABI, Ghassan4, WYSESSION, Michael E.4, STEIN, Seth1 and JURDY, Donna M.1, (1)Earth and Planetary Sciences, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208, (2)Earthquake Science Center, USGS, Pasadena, CA 91106, (3)Geology & Geophysics, Univ Minnesota, 310 Pillsbury Ave SE, Minneapolis, MN 55455-0000, (4)Department of Earth and Planetary Sciences, Washington University in St Louis, One Brookings Dr., Campus Box 1169, St Louis, MO 63112, (5)Department of Geological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada, (6)Geotop, University of Quebec, Montreal, QC H3C3P8, Canada, suzan@earth.northwestern.edu
7-9
10:40 AM
10:55 AM
PASSIVE RIFTING – TIME TO RETHINK THE PLUME PARADIGM FOR THE MIDCONTINENT RIFT
HOLLINGS, Pete, Geology Department, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada and HEGGIE, Geoff, Panoramic Resources Ltd., 1004 Alloy Drive, Thunder Bay, ON P7B 6A5, Canada, Peter.Hollings@lakeheadu.ca
11:10 AM
MAKING IT AND BREAKING IT IN THE UPPER MIDWEST: CONSTRAINTS ON CONTINENTAL ASSEMBLY AND RIFTING FROM EARTHSCOPE
BEDROSIAN, Paul A., Crustal Geophysics and Geochemistry Science Center, U.S. Geological Survey, Denver Federal Center, Bldg 20, MS 964, Denver, CO 80225, pbedrosian@usgs.gov
11:25 AM
LITHOSPHERIC BLOCKS AND RIFTING IN CENTRAL NORTH AMERICA: STRUCTURE, TECTONICS, AND GLOBAL ANALOGS
KELLER, G. Randy, School of Geology and Geophysics, University of Oklahoma, 100 E. Boyd, Norman, OK 73019, grkeller@ou.edu
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