Excerpt from Records of the Geological Survey of India, 1932, Vol. 16: A Collection of Scientific Papers
The most important result of the past season's work has been the proving of the new coal field of Umaria at the west end of the South Rewah Gondwana basin, within 34 miles of Katni Station on the East Indian Railway. This field was mentioned in the last annual report, and Mr. Hughes had given a notice of it, in the Records for 1881 (Vol. XIV, pt. 4). The actual area of exposed coal measures is small (about 5 square miles), in an angle between the gneissic rocks and the great spread of newer Gondwana sandstone to the north-east. The outcrop of coal had been known for many years, but its appearance at the surface was not promising. All this area had been surveyed in 1872 by Mr. Hacket, without distinguishing the true coal measures; but, from what I had seen of the ground (in March 1809), on a preliminary inspection between Raniganj and Jabalpur, I was aware that further examination would be necessary before anything could be published. Mr. Hughes' success was then no chance find; he recognised a difference between the Umaria sandstone and that of the adjoining area, and he had close search made for fossils, from the evidence of which there was no longer any doubt of those rocks being on the horizon of the regular coal measure. He then at once marked sites for trial borings; and these were carried out with very commendable expedition by tho local authorities. The results as to the extent, thickness, and quality of the coal are very promising. A notice of these borings was given by Mr. Hughes in the Records for August last. Railway surveys are now being made for a line from Katni to the coal field.
The field thus opened to enterprise is very extensive.
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