| Citation: | Ling Wang, Fujun Zhong, Liangpeng Deng, Hengcong Lei, Xiao-Ying Gao. Water Migration during Deep Continental Crust Exhumation: Ultrahigh-Pressure Garnet Pyroxenite Constraints from the Dabie Orogen, China. Journal of Earth Science, 2026, 37(3): 1112-1130. doi: 10.1007/s12583-025-0365-4 |
Subduction-driven water (H2O) cycling plays a fundamental role in Earth's geodynamics. However, the migration of H2O during continental slab exhumation is poorly constrained. This study investigates Triassic ultrahigh-pressure (UHP) garnet pyroxenites from the Dabie Orogen, China, to quantify H2O loss during hot exhumation (> 900 ℃). By integrating petrology, Fourier transform infrared spectroscopy (FTIR), and phase equilibrium modeling, we reconstructed the pressure-temperature (
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