天柱县大河边重晶石矿床成矿模式及找矿潜力  

Metallogenic Model and Prospecting Potential of Dahebian Barite Deposit in Tianzhu County

作　　者：王文杰[1] 刘灵[1] 杨贵龙 石睿[1] 李永刚[1] WANG Wenjie;LIU Ling;YANG Guilong;SHI Rui;LI Yonggang(101 Geological Brigade,Bureau of Geology and Mineral Exploration and Development of Guizhou Province,Kaili 556000,China)

机构地区：[1]贵州省地质矿产勘查开发局一〇一地质大队,贵州凯里556000

出　　处：《中国资源综合利用》2023年第2期72-76,共5页China Resources Comprehensive Utilization

摘　　要：天柱县大河边重晶石矿床属世界级超大型矿床,其主要集中分布在大河边、圭禄山一带。经调查研究,典型矿床发育有韵律层理、滑塌构造、碎屑流构造和浊流构造,重晶石是通过喷流产生硫酸钡矿液,再经过水下重力流作用的改造、运移和二次堆积而成矿的。根据研究区含矿岩系厚度和矿体厚度变化规律,预测圭禄山-大代白-圭勺地区可能是沉积盆地中心部位,建立斜坡背景下海底喷流的沉积成矿模式。根据矿体厚度等值线圈定其边界,大致圈定天柱县大河边和云洞两个找矿远景区,预测大河边重晶石矿床西北方向(坪地向斜核部)仍有较好的找矿潜力。The Dahebian barite deposit in Tianzhu County is a world-class super-large deposit,which is mainly distributed in the Dahebian and Guilushan areas.According to the investigation and research,the typical deposits has developed rhythmic bedding,slump structure,clastic flow structure and turbidity flow structure,and barite deposit is formed by producing barium sulfate ore solution through jet flow,and then through transformation,migration and secondary accumulation of underwater gravity flow.According to the variation rules of the thickness of the ore-bearing rock series and the thickness of the ore body in the study area,it is predicted that the Guilushan-Dadabai-Guishao area may be the center of the sedimentary basin,and the sedimentary metallogenic model of submarine jet flow under the slope background is established.The boundary of the ore body is determined according to the contour coil of the thickness of the ore body,and the two prospecting prospects of Dahebian and Yundong in Tianzhu County are roughly delineated,it is predicted that there is still good prospecting potential in the northwest direction of Dahebian barite deposit(the core of Pingdi syncline).

关 键 词：重晶石 矿床特征 成矿模式 找矿潜力 天柱县 

分 类 号：P619.251[天文地球—矿床学]