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 616
... surface . In the eastern portions the soil cover is thinner , drier , and the rocks reach close up to the ground surface ; hence the marked contrast in the resistivity profiles between the western and eastern portions . ( ii ) The ...
... surface . In the eastern portions the soil cover is thinner , drier , and the rocks reach close up to the ground surface ; hence the marked contrast in the resistivity profiles between the western and eastern portions . ( ii ) The ...
Page 625
... surface section of the ground . An alternating current flowing into the earth induces a voltage in the earth in such a direction as to oppose the flow of the current . There will always be a crowding of the current towards the surface ...
... surface section of the ground . An alternating current flowing into the earth induces a voltage in the earth in such a direction as to oppose the flow of the current . There will always be a crowding of the current towards the surface ...
Page 626
... surface is so conductive in this area that inductive methods are hardly suited for exploration of the sub - surface . Our resistivity observations show that the ground is very highly conductive , where the clay is right on the surface ...
... surface is so conductive in this area that inductive methods are hardly suited for exploration of the sub - surface . Our resistivity observations show that the ground is very highly conductive , where the clay is right on the surface ...
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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