V031
New Frontiers in Geochronology II Posters

Monday, 14 December 2020: 04:00-20:59
Poster
Primary Convener:  Brian R Jicha, University of Wisconsin Madison, Madison, WI, United States
Convener:  Darren F Mark, SUERC, East Kilbride, United Kingdom
Primary Liaison:  Brian R Jicha, University of Wisconsin Madison, Madison, WI, United States
Chairs:  Brian R Jicha, University of Wisconsin Madison, Madison, WI, United States and Darren F Mark, SUERC, East Kilbride, United Kingdom
OSPA Liaison:  Brian R Jicha, University of Wisconsin Madison, Madison, WI, United States
 
Bridging the precision gap in zircon 238U-230Th and 238U-206Pb ages between ~100 and 350 ka: Development of a coupled ID-TIMS and ID-MC-ICPMS zircon dating technique (747330)
Christine F Chan1, Noah McLean1, Jorge A Vazquez2, Seth D Burgess2 and Kari M Cooper3, (1)University of Kansas, Lawrence, KS, United States, (2)USGS, Menlo Park, CA, United States, (3)UC Davis, Davis, CA, United States
 
A New Look at the Lujiatun: Dinosaur Attrition in Burrows, not a Cretaceous Pompeii and not a Shoreline to the Jianshangou Lake (733612)
Elaine Chen1, Scott Angus MacLennan2, Sean Kinney3, Clara Chang3, Paul E Olsen3, Jingeng Sha4, Yanan Fang4, Jun Liu5 and Blair Schoene6, (1)Columbia University of New York, Palisades, NY, United States, (2)Princeton University, Princeton, NJ, United States, (3)Columbia University of New York, Earth and Environmental Science, NY, NY, United States, (4)State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Paleontology and Center for Excellence in Life and Paleoenvironment, Nanjing, China, (5)Institute of Vertebrate Paleontology and Paleoanthropology, Beijing, China, (6)Princeton University, Department of Geosciences, Princeton, NJ, United States
 
Developing “Rule-of-Thumb” Uncertainties on α-ejection Corrections and eU for the Apatite (U-Th)/He Method Using Nano-CT (735004)
Spencer K.D. Zeigler1, James Metcalf1, Jennifer C Coulombe2 and Rebecca Marie Flowers3, (1)University of Colorado Boulder, Department of Geological Sciences, Boulder, CO, United States, (2)University of Colorado at Boulder, Mechanical Engineering, Boulder, CO, United States, (3)Univ of Colorado at Boulder, Department of Geological Sciences, Boulder, CO, United States
 
ESTIMATING UNCERTAINTIES FOR ALPHA-EJECTION CORRECTIONS AND eU VALUES FOR THE ZIRCON (U-TH)/HE METHOD (704556)
Morgan E Baker, Spencer K.D. Zeigler, James Metcalf and Rebecca Marie Flowers, University of Colorado Boulder, Department of Geological Sciences, Boulder, CO, United States
 
Examining Dissolution Procedure Effects on Trace and Rare Earth Element Concentrations and U-Pb Ages in Conodonts (759368)
Kenneth Edge1, Tandis S. Bidgoli2, Andreas Mӧller3 and Kenneth G MacLeod2, (1)University of Missouri Columbia, Columbia, MO, United States, (2)University of Missouri, Department of Geological Sciences, Columbia, MO, United States, (3)University of Kansas, Lawrence, KS, United States
 
Investigations of Pb ion formation in molten silicate glass using a microinterdigitated electrode array and TIMS (675274)
Emily Verplanck and G Lang Farmer, Univ Colorado, Boulder, CO, United States
 
Radiometric Dating of Rocky Planetary Bodies with Rb-Sr and LA-ICPMS (774308)
Kiran Almas1, Ari Cacopardo1, Ricardo Arevalo Jr2, William F McDonough3 and Richard D Ash3, (1)University of Maryland College Park, Geology, College Park, MD, United States, (2)NASA GSFC, Greenbelt, MD, United States, (3)Univ Maryland, College Park, MD, United States