基于3DMine的江城岩脚铅锌矿三维建模及资源储量估算对比研究
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摘要
基于三维矿业软件3DMine,通过江城岩脚铅锌矿区地质数据库建设、矿体圈定连接,建立矿区三维地质模型,为数字矿山建设提供基础平台。同时建立块体模型并约束,运用距离幂次反比法进行资源储量估值,与传统块段法进行对比,(122b)类工程控制较系统,各项指标对比控制在10%以内,其他的在矿石量、铅锌银品位、金属量等方面仍存在不同程度的差别,通过研究分析原因为类似矿山块体模型建设提供参考。经对比,认为3DMine三维矿业软件运用距离幂次反比法估值优势较明显,值得在金属矿山中进一步推广应用。
The three-dimensional geological model of mine is established to supply the foundation platform to digital mine construction based on 3 D mining software 3 DMine, by means of the establishment on database of Jiangcheng Yanjiao lead-zinc mining area, as well as the termination and connection of ore body. The block model is established and restricted simultaneously, the valuation of resource reserve shall be carried out by distance power inverse ratio method, comparing to the traditional block method, category(122 b)engineering control is more systematic, each indicator comparison shall be controlled within 10%; in the other aspects, such as ore quantity, lead-zinc-silver grade, amount of metal and so on, it still has the different levels of difference, which reasons shall be analyzed in order to supply the reference to block model establishment of the similar mines. After comparing, the valua tion advantage of the distance power inverse ratio method of 3 DMine-3 D mining software is more obvious, which deserves extensive application on metal mine further.
The three-dimensional geological model of mine is established to supply the foundation platform to digital mine construction based on 3 D mining software 3 DMine, by means of the establishment on database of Jiangcheng Yanjiao lead-zinc mining area, as well as the termination and connection of ore body. The block model is established and restricted simultaneously, the valuation of resource reserve shall be carried out by distance power inverse ratio method, comparing to the traditional block method, category(122 b)engineering control is more systematic, each indicator comparison shall be controlled within 10%; in the other aspects, such as ore quantity, lead-zinc-silver grade, amount of metal and so on, it still has the different levels of difference, which reasons shall be analyzed in order to supply the reference to block model establishment of the similar mines. After comparing, the valua tion advantage of the distance power inverse ratio method of 3 DMine-3 D mining software is more obvious, which deserves extensive application on metal mine further.
引文
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[3]张宝一,尚建嘎,吴鸿敏,等.三维地质建模及可视化技术在固体矿产储量估算中的应用[J].地质与勘探,2007,43(2):76-81.
[4]云南驰宏资源勘查开发有限公司.云南省江城县岩脚铅锌矿资源储量核实报告(2014年)[R].云南驰宏资源勘查开发有限公司,2014.
[5]胡建明. 3DMine矿业工程软件地勘版教程[M]. 2014.
[6]云南冶金资源股份有限公司.江城岩脚-牛倮河矿区基于3DMine的三维地质建模与资源储量估算研究报告[R].昆明:云南冶金资源股份有限公司,2017.