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Swiss Journal of Geosciences
Fig. 10 | Swiss Journal of Geosciences

Fig. 10

From: A step towards unraveling the paleogeographic attribution of pre-Mesozoic basement complexes in the Western Alps based on U–Pb geochronology of Permian magmatism

Fig. 10

Estimated P–T conditions for the lawsonite-bearing veins in the Guil valley (Saliot et al. 1980), compared to other estimates for external part of the Briançonais Zone, namely the Clarée valley (Lanari et al. 2012) and Plan de Phazy (Lanari et al. 2014). The stability field of lawsonite + quartz + fluid is shown in blue, according to the experimental data of Liou (1971). The lowest closure T of the U–Pb system in apatite (c. 370 °C) is also indicated (Cochrane et al. 2014)

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