Raman geobarometry of quartz inclusions in eclogitic garnet constrains the metamorphic evolution and exhumation of the Sumdo oceanic slab in Tibet
Gondwana Research(2022)
Abstract
•Peak P-T at 539 °C, 1.84 GPa and steep exhumation path obtained for Xilang eclogite.•Residual pressure of quartz in eclogitic garnet is controlled by slab exhumation rate.•Raman geobarometry can compare the P-T conditions and their geochronological information.
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Key words
Metamorphic evolution,Sumdo metamorphic belt,Raman geobarometry,Pseudosection,Exhumation mechanism of oceanic crust
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