贵州册亨县板年金矿多层次滑脱构造控矿及找矿预测

陈发恩; 刘建中; 王大福; 王泽鹏; 杨成富; 李俊海; 徐良易; 宋威方

doi:10.11872/j.issn.1005-2518.2020.06.044

黄金科学技术 >

2020 , Vol. 28 >Issue 6: 800 - 811

DOI: https://doi.org/10.11872/j.issn.1005-2518.2020.06.044

矿产勘查与资源评价

贵州册亨县板年金矿多层次滑脱构造控矿及找矿预测

陈发恩 ,
刘建中 ,
王大福 ,
王泽鹏 ,
杨成富 ,
李俊海 ,
徐良易 ,
宋威方

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^1.贵州省地质矿产勘查开发局一O五地质大队，贵州贵阳 550018
^2.贵州省地质矿产勘查开发局，贵州贵阳 550004
^3.自然资源部基岩区矿产资源勘查工程技术创新中心，贵州贵阳 550081
^4.贵州大学资源与环境工程学院，贵州贵阳 550025

陈发恩（1965-），男，贵州普定人，高级工程师，从事金矿地质找矿勘探工作。774781883@qq.com

收稿日期: 2020-02-11

修回日期: 2020-07-14

网络出版日期: 2021-01-29

基金资助

国家自然科学基金联合项目“卡林型金矿成矿作用与预测”(U1812402);国家重点研发计划项目“深地资源勘查开采”(2017YFC0601500)

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Ore-controlling and Prospecting Prediction of Multi-level Slippage Structure in Bannian Gold Deposit， Ceheng County， Guizhou Province

Fa’en CHEN ,
Jianzhong LIU ,
Dafu WANG ,
Zepeng WANG ,
Chengfu YANG ,
Junhai LI ,
Liangyi XU ,
Weifang SONG

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^1.No. 105 Geological Party，Bureau of Geology and Mineral Exploration and Development of Guizhou Province，Guiyang 550018，Guizhou，China
^2.Bureau of Geology and Mineral Exploration and Development of Guizhou Province，Guiyang 550004，Guizhou，China
^3.Engineering Technology Innovation Center of Mineral Resources Explorations in Bedrock Zones，Ministry of Natural Resources，Guiyang 550081，Guizhou，China
^4.Resource and Environmental Engineering College，Guizhou University，Guiyang 550025，Guizhou，China

Received date: 2020-02-11

Revised date: 2020-07-14

Online published: 2021-01-29

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摘要

板年金矿位于南盘江—右江成矿区带北部赖子山矿田南部，矿田近SN向赖子山背斜及NE、NW向断裂控制着金矿的产出。野外地质调查及地球化学分析结果显示：矿区罗楼组或许满组与吴家坪组/礁灰岩、新苑组与安顺组之间的多层次滑脱构造与赖子山背斜耦合部位蚀变矿化明显，是成矿流体运移的主要通道和就位场所，其中多层次构造蚀变体是找矿主要目标层。区内大沟—册阳一带深部F₁、F₂断裂交会处和板纳—风堡一带深部F₆断裂与背斜核部叠加处是找矿的最佳部位；背阴坡—石板井一带赖子山背斜北西翼次级背斜与F₂₂断裂耦合部位，具有一定的找矿潜力。

关键词： 找矿预测; 多层次滑脱构造; 构造蚀变体; 板年金矿; 册亨县; 贵州省

本文引用格式

陈发恩 , 刘建中 , 王大福 , 王泽鹏 , 杨成富 , 李俊海 , 徐良易 , 宋威方 . 贵州册亨县板年金矿多层次滑脱构造控矿及找矿预测[J]. 黄金科学技术, 2020 , 28(6) : 800 -811 . DOI: 10.11872/j.issn.1005-2518.2020.06.044

Abstract

The Bannian gold deposit is located in the southern part of the Laizishan orefield in the north of the Nanpanjiang-Youjiang metallogenic belt，and the gold deposit is controlled by the SN direction Laizishan anticline and the NE，NW fault in the mining area.According to the geological survey and geochemical analysis，the slip structure between the thick carbonate and thin clastic rocks is developed，the lower carbonate deformation is weak，and the upper clastic rocks are crushed and deformed strongly，forming an uncoordinated secondary folding faults are conducive to fluid migration and migration.Alteration and mineralization in the detachment structure zone and the fault are obvious.The detachment structure zone is the main channel of ore-forming fluid migration and the location of gold orebodies.The structural alteration bodies（SBT） formed by the metamorphic fluids in the Luolou Formation，Manchu/Wujiaping Formation，or reef limestone，Xinyuan Formation/Anshun Formation，are the main alterations in the area.Gold mineralization is the main target layer for prospecting in the area.Through comprehensive analysis，we conclude that the intersection of deep F₁，F₂ faults in Dagou-Ceyang area and the superposition of deep F₆ faults and anticlines in Banna-Fengbao area are the best ore prospecting sites.The coupling part of the secondary anticline and F₂₂ faults in the north west wing of the Laizishan anticline in Beiyinpo-Shibanjing area has certain prospecting potential.

Key words： prospecting prediction; multi-level slippage structure; SBT; Bannian gold deposit; Ceheng County; Guizhou Province

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