U_Pb_Geochronology

There are only a few in the world eg uwa anu stanford

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Unformatted text preview: There are only a few in the world (e.g., UWA, ANU, Stanford, Japan, GSC, Chinese Acad. Geol. Sci.). Provide excellent spatial resolution but age are less precise as compared to TIMS. Wednesday, 15 August, 12 Zircon Fractions Epoxy Mounts SEM Imaging http://gsc.nrcan.gc.ca/labs/geochron/shrimp/analysis_e.php Wednesday, 15 August, 12 SHRIMP II: Canberra Photo Courtesy of Rebecca Sproule Wednesday, 15 August, 12 SHRIMP II: GSC http://gsc.nrcan.gc.ca/labs/geochron/shrimp/analysis_e.php Wednesday, 15 August, 12 SHRIMP II: GSC http://gsc.nrcan.gc.ca/labs/geochron/shrimp/analysis_e.php Wednesday, 15 August, 12 From Stern (1999) Wednesday, 15 August, 12 In Situ U-Pb Analysis: LA-ICP-MS • LA-ICP-MS = Laser Ablation Inductively Coupled Plasma Mass Spectrometer. • Fantastic tool that is, and has, revolutionized what we can do with geology and geochronology. • Like SHRIMP provide excellent spatial resolution but age are less precise as compared to TIMS. • Great when ultra-high precision not needed, when doing large volumes of analyses (e.g., detrital...
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This document was uploaded on 03/06/2014 for the course ES 4502 at Memorial University.

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