San Nicolas
墨西哥· Zacatecas未知
概述
Massive, semi-massive, stringers, Lower Sulfide Zone is tabular, Main Sulfide Zone is elongate 900 m long, 400 m wide, 28 m thick. Zoned with increasing Zn upwards, increasing Cu and pyrite downwards. This is the largest VMS deposit in Mexico. Age 152-124. Preliminary estimates of resources 99.5 million t @ 1.36% Cu, 1.64% Zn, 0.15% Pb, 0.41 g/t Au, 24 g/t Ag, open.
地质背景
构造环境: Bimodal-mafic in epicontinental arc
资源与开采
数据溯源
数据来源: USGS MRDS