甘肃舟曲—文县一带卡林型金矿地质特征及找矿标志

Geological Features and Prospecting Criteria for Carlin-type Gold Deposits in the Zhouqu-Wenxian Region,Gansu

介绍了美国卡林型金矿的地质特征及分布特点,从赋矿地层及含矿岩性、控矿构造、围岩蚀变、矿物组合、元素共生组合、金的赋存状态和粒度、金银比值及其他方面详细阐述了甘肃省舟曲—文县一带卡林型金矿地质特征,总结了卡林型金矿的找矿标志,通过与美国卡林型金矿的类比指出了该区具有金矿找矿的巨大潜力。

This paper deals with geological features of Carlin - type gold deposits in the Zhouqu - Wenxian region, Gansu, including ore- bearing lithology, ore- controlling structure, wall rock alteration, mineral assemblage, element association, occurrence and grain size of gold grain, Au/Ag ratios and so on, and sunrs up their prospecting criteria. There is gweat potential for searching for Carlin - type gold deposits in the Zhouqu - Wenxian region.