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Coal Exploration Techniques
Transcript of Coal Exploration Techniques
low seismic velocity
low magnetic susceptibility
low radioactivity other geophysical techniques Gravity Magnetics electrical identification of coal bearing sedimentary basins concealed by younger strata provides information on the structure of the basins used to delineate the broad structural framework of a coal-bearing area locate sedimentary sequences likely to host coal at an accessible depth has been used to locate coal (e.g. Wyoming, Australia) identify seam splitting find old coal mine shafts (e.g. UK)