THE REGIONAL METALLOGENY OF DA HINGGAN LING, CHINA

Abstract

The Da Hinggan Ling area is located at the supperimposed, composite and transformed portion, where the Mesozoic NNE-stretching tectonic domain of the global Circum-Pacific belt strongly overprints the Paleozoic E-W-stretching tectonic domain of the Paleo-Asian Ocean. Because of this peculiar tectonic setting, strong ore-forming events occurred repeatedly in the Da Hinggan Ling, resulting in abundant various types of polymetallic ore deposits and complex features of regional metallogeny. Recently, a number of promising ore occurrences were discovered in the Da Hinggan Ling, and new progress was achieved in the study of regional metallogeny of the Da Hinggan Ling. In this paper, the authors try to give a short summary on these new approaches. Four metallogenic zones are identified according to the tectonic framework. Two principal metallogenic events and two principal metallogenic series are summarized. Several newly discovered deposits are described as typical examples.

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