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安图县新合土壤地球化学特征及找矿靶区预测

TAI Yande,PAN Zhongcui, LIU Haotian,CONG Zhichao

Jilin Geology（2023）

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Abstract
安图县新合研究区位于柴达木—华北板块(Ⅲ)、华北陆块北部陆缘造山带(ⅢA)、哈兰达岭—英额岭新元古代—古生代叠覆造山亚带(ⅢA1)中部.处于Ⅲ-55吉中—延边(活动陆缘)Mo-Au-As-Cu-Zn-Fe-Ni-W成矿带内,成矿地质条件和找矿前景较好.通过1∶1万土壤地球化学测量,对10种成矿元素进行地球化学参数特征分析,圈定综合异常13处,重点对Htl、Ht2和Ht5异常特征进行综合分析.在此基础上,结合成矿地质条件和矿化蚀变特征,优选出找矿靶区2处.对B1号找矿靶区Au元素异常浓集中心进行工程验证,发现1条金矿化蚀变带,带内见5条金矿体,进一步证实本区具有较好的找矿前景.
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Key words
Xinhe,Antu County,soil geochemistry,abnormal characteristics,prospecting target area
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