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    Proton microprobe for chemical dating of monazite

    Analyzed monazite is characterized by mosaic zoning rather than simple core-to-rim growth, and strontium contents of up to 750ppm.

    The peak pressures of metamorphism in the eitz was thus higher than those of earlier metamorphism along the SIB-NIB collision zone. Masaaki Owada, Yasuhito Osanai, Nobuhiko Nakano, Tatsuro Adachi, Kazuhiro Yonemura, Aya Yoshimoto, Madhusoodhan Satish-Kumar, Sereenen Jargalan, Chimedtseye Boldbaatar, An early Paleozoic tectonothermal event in western Mongolia: Implications for regional extension of the Cambrian orogenic belt., Journal of Mineralogical and Petrological Sciences, 108, 1, 2013.03.

    Prices in € represent the retail prices valid in Germany (unless otherwise indicated). Prices do not include postage and handling if applicable. Allanite, which is a common accessory mineral in a wide variety of rock types, typically contains high concentrations of Th and U; thus, an in-situ method of U-Th-Pb dating of this phase would have broad application.

    We describe a method to permit Th-Pb ages of allanite to be determined with approximately ±10% accuracy using a high-resolution ion microprobe.

    Chemical Th–U–total Pb (CHIME) dating of monazite by electron probe microanalyzer (EPMA) and proton microprobe (PIXE) was carried out on felsic granulites from Stary Gierałtów, Poland, which represent part of the Orli...

    Chemical Th–U–total Pb (CHIME) dating of monazite by electron probe microanalyzer (EPMA) and proton microprobe (PIXE) was carried out on felsic granulites from Stary Gierałtów, Poland, which represent part of the Orlica-Śnieżnik Dome in the NE Bohemian Massif.

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