Remote Sensing Techniques In Mine Planning - Applications And Limitations

Winston, D. E.
Organization: International Conference on Ground Control in Mining
Pages: 7
Publication Date: Jan 1, 1982
Roof falls are the major cause of fatalities in the, coal mining industry and the prevention of roof failure is a major concern of mine management. Many ground failures observed underground are associated with geological discontinuities such as fractures, faults, clay veins and sandstone channels inherent in the earth's crust (Rinkenberger, 1977). To properly design a mine requires an advance knowledge of such geologic discontinuities and this is not always available from exploration boreholes. The use of remote sensing for mine planning is a relatively new development, and is at present being used primarily by the Roof Control Support Branches of the Mane Safety and Health Administration (MSHA) in Denver and Pittsburgh. However, technical advances, coupled with public access to previously unavailable photographic products, make remote sensing a useful aid in the difficult process of mine planning (Jansky and McCabe, 1979). Remote sensing techniques are being used to predict the location of geological features in advance of mining which influence roof conditions. The features appear on photographic images as linears, which are plotted on a mine map and serve as a planning tool for mine management. Also, during development of entries toward a linear, mining personnel will be on alert for signs of unstable roof conditions which might normally go undetected. Preventive action can then be taken before a fall occurs. A confusing aspect in remote sensing, analyses is terminology such as linear, lineament, fracture trace and joint. In this report the term "linear" refers to a line-like appearance on an aerial photograph or satellite imagery which signifies a naturally occurring geologic feature no the earth's surface. The objective of this paper is to describe the use of remote sensing techniques as an aid in predicting geological discontinuities which might produce hazardous roof conditions to a mine operating in the Pocahontas No. 4 Seam in southern West Virginia. Mine projections and roof control plans will he developed based on this and other available information such as data from cored drill holes.
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