Structural, Petrological and Geochronological Studies of the Granulite to Eclogite Transformation in the Deep Continental Crust, Bergen Arcs, Norway

深层地壳岩石的挖掘过程仍然知之甚少。挪威西部卑尔根弧内加里东大陆地壳异常深的暴露，使麻粒岩局部暴露在榴辉岩过渡岩中，从而为大陆-大陆碰撞造山系统的根源提供了一个窗口，该系统随后被拆顶。该项目将从变质关系、热气压测量和地质年代学中得出P-T-t路径。结合岩石学和地质年代学的结果，对构造关系的系统观察将为加里东构造深部地壳部分的构造演化和大陆-大陆碰撞带造山过程的认识提供重要的见解。

Exhumation processes of deep crustal rocks are still poorly understood. Exceptionally deep exposures of Caledonian continental crust within the Bergen Arcs of western Norway regionally expose granulite to eclogite transition rocks, thus offering a window into the roots of a continent-continent collisional orogenic system that subsequently was unroofed. This project will derive P-T-t paths from metamorphic relationships, thermobarometry and geochronology. Systematic observations of the structural relationships combined with the petrologic and geochronologic results should provide significant insights into both the tectonic evolution of this deep crustal portion of the Caledonides and the understanding of orogenic processes in continent-continent collisional belts.