Records of the Geological Survey of India, Volume 87, Part 3government of India., 1953 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 504
... depth equal to one thickness , double the thickness and thrice the thick- ness of the seams . The width of the coal land in each case has been determined by the formula ; width = D cosec where D is the depth and the angle of dip . Then ...
... depth equal to one thickness , double the thickness and thrice the thick- ness of the seams . The width of the coal land in each case has been determined by the formula ; width = D cosec where D is the depth and the angle of dip . Then ...
Page 625
... depth of penetration of current depends on the frequency and the resistivity of the ground . The depth at which the sur- face current density has dropped to I / e of its value , with P as resistivity , is given by the formula 13 C C d ...
... depth of penetration of current depends on the frequency and the resistivity of the ground . The depth at which the sur- face current density has dropped to I / e of its value , with P as resistivity , is given by the formula 13 C C d ...
Page 648
... depth of about 20 feet from the surface level and the pit was taken to a depth of about 35 feet or so . There is a very strong smell of sulphur and it is very likely that massive sulphide would have been met if the pit had been extended ...
... depth of about 20 feet from the surface level and the pit was taken to a depth of about 35 feet or so . There is a very strong smell of sulphur and it is very likely that massive sulphide would have been met if the pit had been extended ...
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Common terms and phrases
Allagadda Aravalli Aravalli Range Auden ibid Bairenkonda quartzites Banganapalle Banganapalle quartzites basal basin beds Bhander Bijawar breccia cent coal coalfield conglomerate correlation Cuddapah district Damodar river deposits diamonds Dutt east eastern fault feet flaggy limestones Gandikota Geol Geological Survey glaciation gneisses Gondwana greenish grey Grey calcareous flags grey massive limestones hillocks indications inliers Jammalamadugu Jour Kaimur Koilkuntla limestones Kunderu Kurnool district Kurnool formations Kurnool system laminae Lower Kaimur Madras magnetic massive lime miles million tons Minutang Mishmi nala Nallamala Nandyal Nandyal shales Narji northern occur Oldham outcrop overlying Paniam Panna Penner River plateau porcellanites quartzite band Rajputana Rauta region Rewa ridges river rocks samples sandstones seams sediments Semri shales shaly southern spore stage stones Sugia sulphide Surv Survey of India Tadpatri taluk thickness thin tillite tion Tirohan traverses Uppalapadu Upper Kaimur Valley Venkatesh village Vindhyan Vindhyan System whitish zite