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Fig. 3 | Swiss Journal of Geosciences

Fig. 3

From: Precambrian to Paleozoic zircon record in the Siviez-Mischabel basement (western Swiss Alps)

Fig. 3

Cathodoluminescence (CL) images of representative zircon crystals from three meta-igneous rocks (ac) and two metasedimentary rocks (d, e) from the Siviez-Mischabel nappe. Scale is the same for all zircons. Analyzed spots are indicated by circles (diameter 35 and 25 μm). Obtained 206Pb/238U ages (Ma) are provided for results younger than 1 Ga, for analyses older than 1 Ga 207Pb/206Pb ages (Ma) are given. All errors are given at the 2σ-level

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