Browsing Artikler by Author "Tucker, Robert D."
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U-Pb zircon age of the Møklevatnet granodiorite, Gjersvik Nappe, Central Norwegian Caledonides
Roberts, David; Tucker, Robert D. (NGU Bulletin (421), Journal article, 1991)The Møklevatnet granodiorite in the Gjersvik Nappe has yielded a U-Pb zircon age of 456 +- 2MA from three, concordant, mulitigrain fractions. This can also be regarded as a maximum age, Early Middle Caradoc, for the oldest ...