青海米扎纳能地区多金属矿床地质特征及"三位一体"找矿意义

China's Manganese Industry(2020)

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Abstract
米扎纳能地区铅锌银多金属矿床产于三叠纪甲丕拉组中—厚层灰岩及重晶石岩中,矿体形态简单,主要为层状、似层状,矿体沿走向稳定,由于受褶皱影响局部地段矿体倾向及倾角变化较大.矿体围岩为中—厚层灰岩、紫红色砂岩、砂岩与灰岩互层等.区内围岩蚀变主要沿含矿带两侧或矿(化)体上下盘发育.成矿期次分为热液期和表生期两个期次,其中热液期为主成矿期.通过矿床类比、成矿流体等的对比研究,初步认为米扎纳能地区其矿床类型为受层间构造控矿的中—低温热液型矿床.
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