湖南耒阳市石塘矿区建筑石料用灰岩矿地质特征研究  

GEOLOGICAL CHARACTERISTICS OF LIMESTONE MINE FOR BUILDING STONE IN SHITANG MINING AREA OF LEIYANG CITY,HUNAN PROVINCE

作　　者：朱志鹏 ZHU Zhipeng(Hunan Branch of China National Geological Exploration Center of Building Materials Industry,Zhuzhou 412000,Hunan,China)

机构地区：[1]中国建筑材料工业地质勘查中心湖南总队,湖南株洲412000

出　　处：《资源信息与工程》2025年第2期26-29,共4页Resource Information and Engineering

摘　　要：对湖南耒阳市石塘矿区建筑石料用灰岩矿地质特征进行研究,结果表明:主要含矿岩性以泥质灰岩、砂质灰岩和白云质灰岩为主,属于开阔台地—台盆相碳酸盐岩沉积型矿床;矿体完整性好,矿体周边无明显的构造破碎带、岩浆岩以及变质作用的影响,矿体呈单斜构造,构造简单,延伸稳定;矿石有害物质组分含量低,抗压强度、压碎指标值、坚固性、吸水率、碱集料反应等测试结果综合评价达到了建筑用石料Ⅱ类及以上质量指标要求,放射性指标符合建筑主体材料质量指标要求,经济价值高。The results of the study on the geological characteristics of limestone mine used for building stone in Shitang mining area of Leiyang City,Hunan Province shows that the main ore-bearing lithology is dominated by argillaceous limestone,sandy limestone and dolomitic limestone,which belongs to the open platform-basin facies carbonate sedimentary deposit.The integrity of the ore body is good,there are no obvious structural fracture zones,magmatic rocks and metamorphic effects around the ore body,which is a simple monoclinic structure and stable extension.The ore has low content of harmful substance components,and the comprehensive evaluation of test results such as compressive strength,crushing index value,solidity,water absorption rate and alkali-aggregate reaction,have reached the requirements of quality indexes of construction stoneⅡand above,and the radioactivity indexes are in line with the requirements of quality indexes of the main material of the construction,and the economic value is high.

关 键 词：建筑石料 灰岩矿 地质特征 放射性 

分 类 号：P619.2[天文地球—矿床学]