Zircon Hf–O isotope evidence for crust–mantle interaction during continental deep subduction

Earth and Planetary Science Letters, pp. 229-244, 2011.

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Keywords:
continental subduction zonecrust-mantle interactionorogenic sclmpostcollisional mafic-ultramafic rockszircon hf-o isotopesMore(3+)

Abstract:

In-situ SIMS zircon U–Pb dating and O isotope analysis as well as LA-(MC)-ICPMS zircon U–Pb dating and Lu–Hf isotope analysis were carried out for postcollisional mafic–ultramafic rocks in the Dabie orogen, China. The zircon U–Pb dating gave consistent ages of 126 ± 1 to 131 ± 1 Ma for magma crystallization. Survival of residual zircon co...More

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