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The big advantage of a block model is that the deposit body is fragmented into geometrical entities, which allows for cutting or delimiting of the deposit body for different planning stages and thus for exact calculations of volumes. In order to be able to display a detailed map of the deposit, a so called block model is created based on the drill hole database and the 3-D profile data.
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The next step in modelling a deposit is the creation of 3-D geological profiles.
HOW TO USE SURPAC SOFTWARE
The software intern drill hole database can process information about the course of the drilling and about the geology of the drilled hole. This information is imported into GEOVIA SURPAC via database functions. Detailed information about the deposit are usually gathered by drilling exploratory boreholes. Additionally, a check for plausibility is conducted. In the context of the creation of a geological model, the first step is to acquire and process a vast amount of geological data. GEOVIA SURPAC is a comprehensive CAD system that allows for the planning and management of opencast and underground mining projects in every phase of the process. It is, however, also possible to import and process data from other software solutions, such as DataMine Studio. FUMINCO uses GEOVIA SURPAC for planning tasks.
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The grades were compared to proper reasoning and concluded accordingly.Nowadays, the deployment of modern planning software is one of the basic requirements for adequate and customer oriented execution of mine planning. Nearest Neighbour, ISDM and Ordinary Kriging and were found out to be 41.4%, 44% and 41.37% respectively. For the same block, the grade of Al 2O 3 was determined using three different grade measurement techniques, i.e. Al 2O 3, Fe 2O 3, SiO 2and TiO 2 were determined for a particular block using Inverse Square Distance method (ISDM) and were found out to be 44%, 28.28%, 2.21% and 2.02% respectively. The grades of individual constituents of bauxite, i.e. The anomalies in the volumes between solid model and block model was discussed. Block modelling was done with the help of downhole composite and the volume of the total block model was also calculated. Moreover, the borehole data was composited using downhole compositing method and statistical trends of individual constituents of bauxite were studied. After sectioning all the hole sets, a solid model representation of the ore deposit was generated, validated and its volume and tonnage were determined with the input of its specific gravity which is known as reserve estimation.
HOW TO USE SURPAC MANUAL
Further, surface generation using the points was done that facilitated for the manual task of sectioning of individual borehole row sets. From this database, the boreholes were displayed graphically in the software GUI. The deposit which has been studied is a bauxite ore. With the help of a mine planning and design software Surpac, a geological database was created into which the coordinates and alignment of the borehole points and their constituents along with their individual grades were fed into.