Department of Earth Sciences;
State Key Laboratory for Mineral Deposit Research;
Nanjing University;
Nanjing 210093;
Anhui Academy of Geological Survey and Research;
Hefei 230001;
Department of Earth Sciences;
State Key Laboratory for Mineral Deposit Research;
Nanjing University;
Nanjing 210093;
ultra-high; pressure; metamorphism; eclogite; retrograde; metamorphism; fluid; activity; rutile; ore; Dabie;