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THE GENESIS OF JINPING GOLDSILVER DEPOSIT,FUJIAN PROVINCE |
Su Youqing |
North Fujian Geologic Party |
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Abstract Jinping Au-Ag deposit, occurred in the volcanic rock of Upper Jurassic Nanyuan formation on the east of the Mesoproterozoic metamorphic basemental tectonic window, is composed of No.Ⅰmineralized altered fracture zone, No.Ⅱ and Ⅲ quartz veinlet belts, and altered auriferous andesite.The ore-forming solution is characterized by low 18O and high water/rock value, suggesting that the mineralizing medium should be meteoric water.The deposit is of heated meteoric water hydrothermal deposit.
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Received: 09 June 1997
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