河南省邪矿矿区水泥用灰岩矿矿床特征及资源量估算

Characteristics and Resource Estimation of Limestone Ore Deposits for Cement in Xiekuang Mining Area,Henan Province

矿区区域构造处于新华夏系华北凹陷西部和太行山隆起的东南边缘。地层主要为奥陶系中统下马家沟组,矿体赋存于奥陶系中统下马家沟组上段,矿体为整个下马家沟组上段地层,矿体为板状,由四个矿层和三个夹石层组成,矿体围岩主要为底板岩石。矿石的矿物成分以碳酸盐类矿物为主,有微量的褐铁矿和泥质。资源储量估算对象为水泥用灰岩(K1~K4,共计四个矿层)及其开采剥离范围内J1~J3三个夹层中的建筑石料用灰岩矿。研究结果可以为以后的矿山勘查与开采提供可靠的地质数据。

The regional structure of the mining area is located in the western part of the North China Sag and the southeastern edge of the Taihang Mountain uplift in the Neocathaysian System.The stratum is mainly the Lower Majiagou Formation of the Middle Ordovician,the ore body occurs in the upper part of the Lower Majiagou Formation of the Middle Ordovician System,the ore body is the entire upper strata of the Xiamajiagou Formation,the ore body is plate-shaped and consists of four ore layers and three interlayers,and the surrounding rocks of the ore body are mainly floor rocks.The mineral composition of the ore is mainly carbonate minerals with traces of limonite and argillaceous.The resource reserve estimation object is limestone for cement(K1~K4,four ore layers in total)and the limestone mines for construction stone in the three interlayers J1~J3 within the mining stripping range.The research results can provide reliable geological data for future mine exploration and mining.