Exhumation structures are well-preserved in the UHP rocks and record extensive retrogrademetamorphism.
折返构造很好地保存在超高压变质岩石中，并且记录了广泛的退变质作用。
2
Accessory minerals and retrograde fluids are main factors controlling the trace elemental behavior during retrogrademetamorphism.
副矿物和退变质流体是控制退变质过程中微量元素行为的主要因素。
3
Retrogrademetamorphism at Hongtoushan is characterized by porphyroblastic growth of pyrite, formation of ore mylonite, secondary annealing and chemical remobilization.