Achieving Geological Precision in Metamorphic Geochronology: A Th-Pb Age for the Syn-Metamorphic Formation of the Mallnitzermulde Synform, Tauern Window, from Individual Allanite Porphyroblasts
R. A. Cliff, F. Oberli, M. Meier and G. T. R. Droop
School of Earth Sciences, University of Leeds, Leeds, LS2 9JT, UK
Inst. f. Isotopengeologie und Mineralische Rohstoffe, Departement Erdwissenschaften, ETH Zentrum, CH-8092 Zürich, Switzerland
Department of Earth Sciences, University of Manchester, OxfordRd, Manchester, M13 9PL, UK