内蒙古乌拉特后旗呼和沙拉地区白云岩矿资源调查

发布时间：2018-05-04 22:27

本文选题：内蒙古 + 乌拉特后旗呼和沙拉地区　；参考：《中国地质大学(北京)》2015年硕士论文

【摘要】：本次论文是以对内蒙古自治区乌拉特后旗呼和沙拉地区白云岩矿资源调查为素材完成的。依据市场目前对白云岩矿及其产品的供需关系可知目前白云岩矿处于供不应求的局面;从地质勘探找矿角度审视选区,该区位于良好的非金属矿成矿带上。因此选择了该区对白云岩矿资源进行调查。在本次资源调查过程中,综合运用了地质测量、综合剖面测量、槽探揭露、钻探运用等多种手段对区内白云岩矿体进行了验证性控制、研究。通过本次调查,在区内发现并初步控制白云岩矿体四条,编号分别为I、II、III、IV;其中I号矿体长近3000m,平均厚度为97m;II号矿体长度近1623m,平均厚度为104m;III号矿体长度近660m,平均厚度为26m;IV号矿体长度近250m,矿体平均厚度为22.3m。通过本次调查,经过对区内白云岩成矿环境以及成矿背景进行系统的研究、分析,取得了以下几点认识:1.经综合对比分析确定:区内白云岩矿体为浅海相沉积变质型白云岩矿床;2.通过本次调查研究发现,区内白云岩矿体均呈厚层状分布于中元古界渣尔泰群书记沟组地层中,与白云母石英片岩、绢云母石英片岩呈互层状分布,矿体与围岩呈整合接触;3.通过对区内矿体成矿环境的分析,确定区内白云岩矿体的找矿标志有:地层标志、岩石组合标志、化探异常指示、赤铁矿化指示以及构造影响等几个方面;4.在对区内白云岩矿体综合分析的基础上,推断出了区内矿体的334?资源/储量为:100792084.15吨。
[Abstract]:This paper is based on the investigation of dolomite resources in Houqi Huhe Shala area of Inner Mongolia Autonomous region. According to the relationship between supply and demand of dolomite ore and its products in the market at present, dolomite ore is in short supply, and the district is located in a good metallogenic belt from the point of view of geological exploration and prospecting. Therefore, this area is selected to investigate dolomite resources. In the process of resource investigation, geological survey, comprehensive profile survey, trough exploration and exploration, drilling and other methods are used to verify the control of dolomite ore body in this area. Through this investigation, four dolomite ore bodies were discovered and preliminarily controlled in the region. The length of ore body I is about 3000m, the average thickness of orebody I is 97mg, the length of orebody II is 1623m, the length of ore body is 104mLi III is nearly 660m, the average thickness is 26mGIV is about 250m, the average thickness of orebody is 22.3 mm. Through this investigation, the metallogenic environment and metallogenic background of dolomite in this area are systematically studied, and the following understandings are obtained: 1. 1. It is determined by comprehensive comparative analysis that the dolomite orebody in this area is a metamorphic dolomite deposit of shallow marine facies. Through this investigation, it is found that dolomite orebodies in the area are all distributed in thick layers in the middle Proterozoic Jar Tai Group in the Xiangou formation, with interbedded distribution with Muscovite quartz schist and sericite quartz schist, and the ore body and surrounding rock are in integrated contact with each other. By analyzing the metallogenic environment of ore bodies in this area, it is determined that the prospecting marks of dolomite orebodies in this area are stratigraphic markers, rock assemblage markers, geochemical anomaly indicators, hematitization indicators and tectonic effects. Based on the comprehensive analysis of dolomite orebodies in the area, the 334? Resources / reserves are 1: 100792084.15 tons.
【学位授予单位】：中国地质大学(北京)
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：P619.234

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