By Marat Abzalov
This e-book offers an in depth evaluate of the operational rules of contemporary mining geology, that are provided as an excellent mixture of idea and perform, permitting use through a vast diversity of experts, from scholars to academics and skilled geologists.
The publication comprises complete descriptions of mining geology recommendations, together with traditional equipment and new methods. The attributes awarded within the e-book can be utilized as a reference and as a consultant via mining experts constructing mining tasks and for optimizing mining geology tactics. functions of the tools are defined utilizing case stories and are facilitated via the pc scripts additional to the ebook as digital Supplementary Material.
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Additional info for Applied Mining Geology
3 Unconventional Mining 15 Fig. 1 Room-and-pillar Method The room-and-pillar method is used for mining flat bedded deposits using the flat open stopes. Hangingwall of such stopes extends for large areas and therefore have to be prevented from collapsing by leaving pillars, which support the hangingwall of the stopes (Fig. 10). In order to minimise the mining losses the pillars are usually left where low-grade material or internal waste present in the ore. In case if the ore grade material has been left in the pillars it is unrecoverable and therefore mine geologists have to exclude these volumes from the ore reserves.
Insert shows a photo of the face of underground drive that was georeferenced and draped on corresponding plane of the 3D model is draped onto corresponding plane allows to obtain the accurate 3D position of the geological features that was exposed on the studied face. 4 Mapping Using Digital Photogrammetry and Laser Technologies Conventional mapping, discussed in previous sections has a serious limitation of being time consuming and labour intense. These limitations impose a serious disadvantage for using in the modern mines characterised by a high production and development rates requiring quick capturing of the geological and geotechnical information from exposed faces before they have been blasted away or shotcreted.
The success of the method hinges on the understanding of the fracturing process and capability of the broken ore to flow to the extraction points. In particular, it is essential that hangingwall of a stope is allowed to subside. Another condition for the ore body to be amenable for block cave mining is the capability of the rock mass for breaking into small pieces by the rock stress and gravity. 2). The block caving is also used for mining some large iron-ore deposits. 2 Sublevel Open Stoping When block caving is not suitable for mining the ore body but its large size is still favourable for large scale production the methods like bighole open stoping and sublevel open stoping (SLOS) Fig.
Applied Mining Geology by Marat Abzalov