MAGMATIC DYNAMIC AND GEOCHEMICAL BACKGROUND OF COPPER METALLIZATION IN ANQING, ANHUI PROVINCE

摘要

It is concluded from the above studies on magma dynamics and geochemistries that: (1) the Yueshan intrusions has better mineralization potentiality than Zongpu and Wuhen; (2) the ore-forming material of copper deposits with industrial values in Anqing area mainly came from the dioritic magmas, through melt-fluid partition; (3) the ore-forming fluids for main mineralizing stages were magmatic waters prevalent, while to the later stages, the amount of meteoric water increased; (4) the Triassic and pre-Triassic sedimentary strata had provided some sulfur and a small amount of ore-forming materials for the mineralization through water-rock interactions.