物探化探计算技术2012,Vol.34Issue(1):73-79,7.
贵州水银洞金矿床成矿物理化学条件及金的迁移和沉淀
摘要
Abstract
Based on the research of fluid inclusions and thermodynamics calculate in shuiyindong gold deposit, we have studied the physical-chemical conditions of mineralization, and the transportation form and deposition mechanism of the deposit. The research shows that the main temperature of gold mineralization is 215℃~267℃ ,and the pressure is 28. 5MPa~37. 2MPa;the ore-forming fluid with characteristics of weak acidity(pH = 4. 312), reducibilityCfq, < 10'35-315 X105 Pa);AuHS0 is the main transportation form of Au in the ore-forming solution; the main deposition mechanisms of Au are the decrease in the activity of HS~ and fq, and an increase in pH values.关键词
水银洞金矿床/流体包裹体/迁移和沉淀/成矿流体Key words
shuiyindong gold deposit/ fluid inclusions/ transport and deposition/ ore-forming fluid分类
天文与地球科学引用本文复制引用
肖德长,李葆华,硕雪祥,徐仕海,付绍洪,陈翠华,董树义..贵州水银洞金矿床成矿物理化学条件及金的迁移和沉淀[J].物探化探计算技术,2012,34(1):73-79,7.基金项目
国家自然科学基金(40873036,40772060) (40873036,40772060)
国家自然科学重点基金(40930423) (40930423)