CAJ | 학술논문

老矿区面临着提高资源保障能力和保证矿山长远发展的挑战.对其深部资源量进行预测具有重要的现实意义.以江西城门山铜矿深部铜资源量的预测为例,以富Cu地质体为资源量计算对象,通过函数拟合积分和三维地质体可视化模型,探讨用面金属量积分法和三维地质体块段法进行深部铜资源量预测的原理和具体操作流程.最后尝试利用这2种方法计算第一空间(0～-500m)和预测第二空间(-500～-1000m)的资源量.结果表明:第一空间2种方法均可行,计算结果与传统的储量计算结果十分接近;第二空间资源量预测以三维地质体块段法为宜.当铜矿体边界品位指标分别为0.3%和0.2%时.三维地质体块段法预测深部资源量为57.97×10~4t和137.58×l0~4t,深部铜资源量主要集中在似屡状含Cu黄铁矿中(I号矿体).
로광구면림착제고자원보장능력화보증광산장원발전적도전.대기심부자원량진행예측구유중요적현실의의.이강서성문산동광심부동자원량적예측위례,이부Cu지질체위자원량계산대상,통과함수의합적분화삼유지질체가시화모형,탐토용면금속량적분법화삼유지질체괴단법진행심부동자원량예측적원리화구체조작류정.최후상시이용저2충방법계산제일공간(0～-500m)화예측제이공간(-500～-1000m)적자원량.결과표명:제일공간2충방법균가행,계산결과여전통적저량계산결과십분접근;제이공간자원량예측이삼유지질체괴단법위의.당동광체변계품위지표분별위0.3%화0.2%시.삼유지질체괴단법예측심부자원량위57.97×10~4t화137.58×l0~4t,심부동자원량주요집중재사루상함Cu황철광중(I호광체).
In order to improve resource base and guarantee long-term development for old mines, resources predicting and calculatingfor deep area are imperative under current situation. This paper has researched into Chengmenshan copper (Cu) deposit about Cu deepresources prediction, Firstly certain Cu-enriched geological body has been selected as research target, then by applying fitted functionand three-dimension (3D) geological visualization modeling, principles and detailed process by means of integral planar metal quantityand 3D geological body block method are discussed. Two methods has been managed to calculate resources in the range from 0m to-500m (the first space range) and -500m to -1000m (the second space range) in depth respectively. Both of them are feasible for thefirst space and the results are quite similar compared with the results by traditional method, while 3D block method is preferable forthe second space. In conclusion, when the ore cut-on grade index is 0.3% and 0.2% respectively, by using the second method, corre sponding results are 57.970×l0~4t and 137.580×10~4t; besides, deep resources are mainly concentrated in layer-like Cu-enriched pyrite (namely No. I ore body).