Hf isotope analysis and U-Pb geochronology of rutile : technique development and application to a lower crustal section (Ivrea-Verbano Zone, Italy)
This thesis presents technical developments and geological applications for in situ uranium-lead (U-Pb) and hafnium (Hf) isotope analysis of rutile. A new protocol for in situ Hf isotope analysis of rutile is presented, and its accuracy and reproducibility demonstrated. Precision of ± 1-4 𝛆Hf units (95% confidence) is achieved for populations of 10-15 rutiles with ≥ 40 ppm Hf. A new rutile standard for in situ U-Pb dating, Wodgina, has been characterised by SHRIMP, TIMS and limited LA-ICPMS...[Show more]
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