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地质学报  2005 

大别山造山带前陆深地震反射剖面

, PP. 595-601

Keywords: 大别山造山带,前陆,深地震反射剖面,扬子陆块,超高压变质岩,大陆俯冲

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Abstract:

在大别山南部和扬子地块前陆实施的深地震反射剖面(140km)揭示出大别山造山带前陆地壳的精细结构。总体北倾的地壳内部结构与向北缓倾的叠瓦状莫霍面反射揭示出扬子陆块向北俯冲的行迹。莫霍面向北插入大别山造山带下与南大别山地壳内南倾反射震相叠置,构成交叉反射图像,刻画出扬子前陆与大别山造山带的碰撞构造面貌。

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