大别山高压—超高压变质岩折返和造山后伸展作用EXHUMATION OF HP AND UHP ROCKS IN DABIE MOUNTAIN AND POSTOROGENIC EXTENSION
金维浚,石耀霖,宋鸿林,马文璞
摘要(Abstract):
大别山高压一超高压变质岩以不同的类型分布在不同的构造地层中。这种产状可以用榴辉岩相和角闪岩相、麻粒岩相相转变的底辟上升、造山楔伸展构造作用来解释。文中分析了大别山高压一超高压变质的基本特征,综述了造山后伸展作用的机制和对高压一超高压变质岩折返的影响。
关键词(KeyWords): 高压—超高压变质岩;造山楔;相转变;造山后伸展作用
基金项目(Foundation): 国家教委博士点基金资助项目(910315)
作者(Author): 金维浚,石耀霖,宋鸿林,马文璞
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