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Quantifying the tectono-metamorphic evolution of pelitic rocks from a wide range of tectonic settings: mineral compositions in equilibrium

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Academic year: 2021

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Figure

Fig. 1 PT stabilities of mineral assemblages for an average pelitic composition (abbreviations in Appendix 1)
Fig. 2 PT extents and equilibrium partitioning values of the most commonly used metapelite mineral thermometer (a ½ K D MgFe Gar Bio Þ and barometer (b ½ K N Ca Gar Plg ), with buffering assemblages as in Fig
Fig. 3 Relationships between PT paths experienced by rocks from a variety of tectonic settings and the a Gar–Bio and b Gar–Plg thermobarometers
Fig. 4 PT calibrations of selected K D , K N and compositional isolines for high P equilibria involving garnet, omphacite and phengite, calculated from Perplex data used to construct Fig
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