Abstract
Purpose. Professional approach to mineral deposit evaluation and estimation of Ni is done by modeling the ore body presenting the interest zone to be exploited. Methods. With the intensive development of professional software dedicated to solving mining problems and ore reserves, Gllavica mine has implemented Surpac v.6.2 software. This software makes it possible to evaluate and estimate mineral deposit of Ni in Kosovo. Findings. Based on geological exploration, drilling and sampling It was possible to find the quality of the ore, the footwall and hanging wall contact with ore body. The ore grade was examined and determined in the case of longitudinal geological profiles using Surpac v.6.2 Software by digitizing each drilling hole based on a database which was created considering assay, collar and survey files. Originality.The use of appropriate software, creation of databases according to the values acquired from the field research provides the best possible assessment argued in this paper. Practical implications. Geological research provides safety during ore exploitation that must be continuous throughout the exploitation phase. Geological research excludes blocks that differ from other blocks in terms of ore quality, so discretization of the source has enabled us to find the real quality and quantity of ore by comparing it with the profile method. Keywords: mine, nickel, ore grade, exploitation, modeling
Highlights
This study encompasses the two research stages of “Gllavica” source, which both in the sense of the resources assessment and the exploitation plan are related to each other by the physical proximity and geologic connection and because a good exploitation plan requires a primary homogenization from the exploitation stage of the source [1]
In the mineral deposit of nickel silicate ore “Glavica” through Surpac software the deposit limit has been determined and reserves have been calculated according to the exploration drilling network 25×25 meters
The discretization of nickel source in 25×25 m and 50×50 m mini blocks, through deep geological drills has professionally enabled the correct assessment of the silicate ore quality in the entire source
Summary
This study encompasses the two research stages of “Gllavica” source, which both in the sense of the resources assessment and the exploitation plan are related to each other by the physical proximity and geologic connection and because a good exploitation plan requires a primary homogenization from the exploitation stage of the source [1].The use of modern computer software in cases requiring the primary homogenization of the source has proven to be a strong modern tool in the hands of the operating engineer. This study encompasses the two research stages of “Gllavica” source, which both in the sense of the resources assessment and the exploitation plan are related to each other by the physical proximity and geologic connection and because a good exploitation plan requires a primary homogenization from the exploitation stage of the source [1]. It is important that mine planning is preceded by detailed geological research by determining the depth and thickness of the nickel ore body, the other geological units surrounding deposit. By means of geological drilling, the clay intrusions inside the source are determined. Their clay intrusions create ore depletion ending the modernization phase [1], [3]. To correctly assess the quality and nickel reserves at the deposit, we apply advanced geostatistical methods in the assessment of the deposit by dividing (discrediting) the entire size of the mineral resource into 25×25 m mini-blocks
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