这一问题的解答依赖变质岩石学、地球化学、同位素年代学和构造地质学等多学科综合研究。

To answer the problem needed integrated research of metamorphic petrology, geochemistry, isotope chronology, structural geology and so on.

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采取点、线、面相结合， 岩石地层学、 生物地层学和同位素年代学相结合的工作方法，研究了这套地层的层序、划分和对比问题；

The succession, division and correlation of these strata are studied with lithostratigraphy, biostratigraphy and isotopic geochronology methods and by the combination of of point, line and area.

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稳定同位素测年信息，是深部构造、成矿作用和地层年代学的重要依据。

The information of stable isotopic aging is the important basis for the deep structures, mineralization and chronostratigraphy.

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