南非卡图市Hotazel铁锰矿床三维地质建模及资源量估算

南非卡图市Hotazel铁锰矿床位于世界著名的Kalahari—Postmasburg铁锰成矿带上,成矿地质背景优越。通过对矿区以往历史资料的整理分析,建立了数据库文件,并采用3DMine矿业软件中的地质剖面解译、实体建模、数据处理、块体建模、块体赋值等模块进行资源储量估算,其中浅部铁锰V9矿体矿石量为624.75万t,深部富锰LMO矿体矿石量为18792.68万t,采用水平投影法验证的矿体矿石量分别为600.68万t和17712.28万t,误差率分别为4%和6%。说明采用3Dmine软件估算该铁锰矿是可靠的,这对后期的勘查和开发具有一定的指导意义。

Three-dimensional geological modeling and resource estimation of Hotazel Fe-Mn deposit in Kathu, South Africa

The world famous Kalahari - Postmasburg iron-manganese ore-forming belt in South Africa has an excellent ore-forming geological background.Based on the analysis of the mining area in the past historical data to create the database file, and use 3DMine mining geological profile interpretation of software, the entity modeling, data processing, block modeling, such as block assignment module reserves estimation, the ore volume of the shallow Fe-Mn V₉ ore body is 6.2475 million t, and the ore volume of the deep MMO ore body is 187.9268 million t. The ore volume of the ore body verified by the horizontal projection method is 6.068 million t and 177.1228 million t, with error rates of 4% and 6%, respectively, use 3DMine software reliable estimate the iron manganese ore, and it will has a certain guiding significance for late development.