The Geological Characteristics and Its Mining Evaluation of Xincheng Gold Deposit in Jiaodong

IF 0.3 4区哲学 Q4 GEOSCIENCES, MULTIDISCIPLINARY

Earth Sciences History Pub Date : 2021-08-24 DOI:10.11648/j.earth.20211004.13

Zhu Suizhou, Wang Zhihao, Jin Zhigang, Li Jianwei, Liu Yun, Zhou Yu, Zhang Qiuhu

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引用次数: 0

Abstract

Xincheng gold deposit is located in Xincheng Village of Jiaodong, Laizhou Jincheng, near Bohai Bay, and is one of the largest mines in China. The orebodies of Xincheng gold deposit located in Jiaojia fault zone are mainly located in the pyrite sericite-quartzized cataclasite belt and the pyrite-sericite-quartzized granodioritic cataclasite belt under the main fault plane (Fault Gouge). Based on the exploration data and test data, the occurrence characteristics of I and V major orebodies in the deposit are analyzed, and the mining evaluation is made on the basis of the hydrologic and environmental characteristics of the deposit. The results show that the rock of the Orebody, roof and floor is mainly massive igneous rock and Metamorphic Rock, which has high mechanical strength and is hard and semi-hard rock with simple engineering geological conditions The Ore and waste rock are not easy to decompose harmful substances, have no heat harm, the possibility of local surface deformation caused by mining is not big, the circulation of groundwater is bad, the evaporation is big, the water quality is bad, the mined-out area formed by mining has little influence on the stability of rock mass in the mining area. The main ore body in the study area is of good geological environment.

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胶东新城金矿地质特征及找矿评价

新城金矿位于渤海湾附近的莱州金城胶东新城村，是中国最大的金矿之一。焦家断裂带新城金矿的矿体主要位于主断裂面(断泥)下的黄铁矿绢云母-石英碎裂岩带和黄铁矿绢云母-石英花岗闪长碎裂岩带。在勘查资料和试验资料的基础上，分析了矿床中I、V主矿体的赋存特征，并根据矿床的水文环境特征进行了开采评价。结果表明,岩石的矿体,屋顶和地板主要是大规模的火成岩和变质岩,机械强度高,很难用简单的工程地质条件和半硬质岩矿石和废石不容易分解有害物质,没有热伤害,当地开采引起的表面变形的可能性不大,地下水的循环不好,蒸发大,水质不好,开采形成的采空区对矿区岩体稳定性影响不大。研究区内主要矿体地质环境良好。

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来源期刊

Earth Sciences History GEOSCIENCES, MULTIDISCIPLINARY-HISTORY & PHILOSOPHY OF SCIENCE

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Earth Sciences History promotes and publishes historical work on all areas of the earth sciences – including geology, geography, geophysics, oceanography, paleontology, meteorology, and climatology. The journal honors and encourages a variety of approaches to historical study: biography, history of ideas, social history, and histories of institutions, organizations, and techniques. Articles are peer reviewed.