Based on the field investigation for Dushan granite in eastern Hebei,North China,the chemical composition and the trace elements of the granite are analysed,the isotopic ages of differ- ent kinds of zircons in the granite are analysed and studied their crystal habits.According to these,it is proposed that the Dushan granite was derived from the lower degree anatexis of the late Archean rocks in Proterozoic era,and the granite suffered a intensive remobilization in Mesozoic era.
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