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Program for Session 18e

Tuesday 23rd June PM: Room ICE

18e (Poster): Recent developments in geochronology

328  Authigenic Zircons and Monazites in Ediacaran Sediments of the Yangtze Platform (South China)
Baero W, Becker H & Wiechert U
329  In situ Laser Ablation (LA-) ICP-MS Zircon Dating on Thick Sections: An Example from the Lagoa Real Area (South Bahia, Brazil)
Bruguier O, Caby R & Bosch D
330  40Ar/39Ar Thermochronology Using Plagioclase
Cassata W, Renne P & Shuster D
331  Common-Pb Correction in Laser U-Pb Geochronology Using MC-ICPMS and a Multi-Ion Counting System
Cocherie A
332  Anchizonal-Hydrothermal Growth and (U-Th)/He Dating of Rutile Crystals in the Sediments of Hawasina Window, Oman
Dunkl I & von Eynatten H
333  (U-Th)/He Magnetite Dating of Exhumed Serpentinized Mantle: A Case Study from the Tasna Ocean-Continent Transition, SE Switzerland
Evans S, Stockli D, Müntener O & Manatschal G
334  Integrated Zircon U/Pb, (U-Th)/He, and Oxygen Stable Isotope Study of a Normal Fault Zone (Western Alps, Switzerland)
Guerra I, Corfu F, Stockli D, Ruiz G, Mancktelow N, Negro F, Vennemann T & Kalt A
335  Timing of Brittle Deformation in the Deokpori – Gakdong Thrust Zone, South Korea
Han R, Ree J-H & Zwingmann H
336  Continuous Thermal Histories from Muscovite 40Ar/39Ar Age Spectra
Harrison M, Heizler MT, Haviv I & Avouac J-P
337  Development of a Transmitted-Light Dual-Window UHV Laser Cell for in situ 40Ar-39Ar Geochronology
Mark D
338  Cathodoluminescence Halo in Albite
Nishido H, Kayama M, Toyoda S, Komuro K & Ninagawa K
339  High-Precision CA-ID-TIMS U-Pb Zircon Age Constraints from Western European Lower Carboniferous Volcanic Ash Layers
Pointon M, Chew D, Ovtcharova M & Sevastopulo G
340  U/Pb-Dating of Calcite Slickenfibres
Rittner M & Müller W
341  Simultaneous in situ Laser Ablation Analysis of Pb-U and Lu-Hf Isotope Ratios in Zircons Using MC-ICPMS
Schwieters J, Bouman C & Deerberg M
342  Re-Os Age and Geochemistry of the Zhongjia Tin Polymetallic Deposit and its Geological Significance in SW Fujian Province, China
Shi J, Zhang D & Wu G
343  Sm-Nd Geochronology of the Zermatt-Saas Ophiolite, Northern Italy
Springer K, Lapen T, Baumgartner L, Johnson C & Beard B
344  Re-Os Depositional Age for Extremely Thermally Mature Upper Carboniferous Organic-Rich Shales, Western Ireland: Challenges and Insights
Stanislawska M, Selby D & Chew D
345  Fast Reduction of U-Pb Data Using R
Tanner M & Solari L
346  (U-Th)/He Thermochronologic Analysis of the Median Tectonic Line and Associated Pseudotachylyte
Yamada K, Hanamuro T, Tagami T, Shimada K, Takagi H, Iwano H, Danhara T & Umeda K
347  Out of This World Crude Oil – Separating Meteoritic and Hydrocarbon Re-Os Components
Zimmerman A, Yang G, Stein H, Hannah J & Egenhoff S
348  New Time Constrains on Brittle Faulting in the Core of the Lepontine Dome, Central European Alps
Zwingmann H, Mancktelow N, Antognini M & Lucchini R

Friday 26th June AM: Room S1/LE

18e (Oral): Recent developments in geochronology
Session chaired by Erik Scherer, Simon Kelley, Paul Renne & Warren Sharp

09:30  40Ar/39Ar Thermochronology from the Ecstall, Butedale, and Smith Island Plutons: A Thermal Model for Late Cretaceous British Columbia
Brownlee S & Renne P
09:45  The Retrograde History of Eastern Dabieshan Revealed by 40Ar/39Ar Laser Incremental Heating, Ablation and Stepwise Crushing
Wijbrans JR, Qiu H-N, Brouwer FM, Yun J-B & Xu Y-G
10:00  Neutron-Induced 37Ar Recoil Ejection in Ca-Rich Minerals and Implications for 40Ar/39Ar Dating
Jourdan F & Renne P
10:15  Intercalibration of the 40Ar/39Ar Biotite Standard MD-2 from Mount Dromedary, Australia
Phillips D
10:30  Argon Isotope Anomalies in Lavas
Renne P, Morgan L & Cassata W
10:45  More Precise Than Ice: Radioisotopic Dating of the Laschamp Excursion
Singer B, Guillou H, Jicha B, Laj C, Kissel C, Beard B & Johnson C
11:00  Invited: Forward Models of Geomorphic Processes Used to Interpret Complex Cosmogenic-Nuclide Data Sets
Balco G, Rood D, Morgan D & Behr W
11:15  Surface Exposure Dating in the Holocene – Precise 10Be Technique for Very Young Surfaces
Finkel R, Schaefer J, Barrell D, Brown T, Denton G, Kaplan M, Putnam A, Schlüchter C & Schwartz R
11:30  Dating Quaternary Alluvial Fans via U-Series on Pedogenic Carbonate and 10Be Surface Exposure Ages
Fletcher K, Sharp W, Behr W, Le K, Rood D, Finkel R, Hanks T, Kendrick K, Oskin M & Rockwell T
11:45  Invited: Time Scales of Magma Reservoir Processes from U-Series Dating of Crystals
Cooper K
12:00  Imprecisions and Errors in 226Ra-230Th Volcanic Mineral Ages from Ra-Ba Partitioning Difference Estimates
Rubin K & Zellmer G
12:15  Automated Analytical Techniques for Fission Track Thermochronology
Gleadow A, Gleadow S, Frei S, Kohlmann F & Kohn B

Friday 26th June PM: Room S1/LE

18e (Oral): Recent developments in geochronology
Session chaired by Erik Scherer, Simon Kelley, Paul Renne & Warren Sharp

14:30  Invited: Taking the Pulse of Magma Emplacement
Schaltegger U, Schoene B & Brack P
14:45  Timing of Injection and of Thermal Maturation in a Mid-Crustal Variscan Bimodal Intrusion
Barboni M, Schoene B, Bussy F, Schaltegger U & Gerdes A
15:00  A New Method Integrating ID-TIMS U-Pb Geochronology with Zircon Trace Element Analysis
Schoene B, Schaltegger U, Latkoczy C & Günter D
15:15  Keynote: Chronologic Microanalysis of Monazite
Kohn M
15:45  The Effects of Ultrahigh Temperature Metamorphism on the U-Pb Systematics in Zircon
Kooijman E, Upadhyay D, Mezger K, Raith M & Berndt J
16:00  U-Pb Dating of Detrital Zircons by Laser Ablation Inductively Coupled Quadrupole Mass Spectrometry
Shaulis B & Lapen T
16:15  Experiments in High Temperature Annealing of Zircon with Applications to Chemical Abrasion
Das A & Davis D
16:30  Multi-Step Dissolution of Baddeleyite for ID-TIMS U-Pb Dating
Rioux M, Bowring S, Dudás F & Hanson R
16:45  Sm/Nd Garnet Geochronology: Higher Precision on Smaller Samples
Baxter E, Pollington A, Dragovic B, Jordan M & Inglis J
17:00  Lu-Hf Dating of Metamorphism
Anczkiewicz R, Weinberg R, Wallis S, Shunsuke E & Storey C
17:15  Lu-Hf Dating of Biogenic Phosphates – Prospects and Pitfalls
Herwartz D, Tütken T, Münker C & Sander PM