Metallogenic Response to Geological Structural Evolution in Aguimiao Area, Inner Mongolia
详细信息   
摘要

Based on an analysis of the geological setting of Langshan area and Aguimiao area, the authors studied the process of geological structural evolution and mineralization. Aguimiao area has experienced a long geological structural evolution and development process, which includes the following stages:  1) the basement rock formation was formed in Neoarchean; 2) the crystalline basement was formed, deformed and metamorphosed in Upper Archean and Lower Proterozoic; 3) the passive continental margin aulacogen was broken up, received sediments and experienced mineralization in Proterozoic; 4) the passive continental margin aulacogen was closed in late Neo-Proterozoic; and 5) the development of compression and orogeny with considerable intrusion of acid-intermediate magma and the deformation occurred from Hercynian to Mesozoic.

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