ROMONTA is the world’s largest crude montan wax producer. It operates the Amsdorf open pit mine, located in the Central German lignite mining area.
When designing a mine site, an accurate geological model is an important foundation for the extraction planning. Knowledge about the mineral deposit, especially about the quantities and qualities, as well as the spatial location of seams, are important factors in optimised mine planning.
In the lignite deposits of Amsdorf, new mining areas are rare, because historical open pit and underground mining operations have been in existence throughout the 19th and 20th centuries. Several independent mines were previously combined over time and consolidated to create today’s mine site.
As a result, confusing pit geometries across a network of underground mine tunnels and caving areas exist within the mine site. For these mining areas, little or no historical modelling has ever been done, although bitumen-rich lignite exists in quantities that are still economical to extract today.
To help address their unique challenges, ROMONTA turned to MineScape. Specifically developed to meet the mining industry’s rigorous demands, MineScape has been proven to outperform in the most complex mining operations throughout the world. MineScape is a suite of integrated solutions designed for use in open pit and underground mining operations for both coal and metalliferous deposits.
Using the MineScape solution, ROMONTA modelled the Amsdorf underground mine, including the complex infrastructure of old mines, to create an optimised mine plan model. The MineScape stratigraphic model incorporated a complex set of data consisting of:
This data set was normalised into a single correct data source. A triangulated model of the old underground workings was constructed to visualise the areas affected by the past underground excavations. A geological model was built that accurately represented the stratigraphic coal deposit with all the deformations caused by the old underground mining.
Maximilian Hertrampf – Specialist Mining Engineer, ROMONTA
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