Records of the Geological Survey of India, Volume 125, Part 1The Survey, 1999 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 168
... anomalies for locating base metal ore bodies , if any . About 500 m south of Beldih apatite mine , a 2.5 km long E - W trending lead anomaly zone was delineated by erstwhile DORIS during 1975-76 . Geophysical ( I.P. ) anomalies for base ...
... anomalies for locating base metal ore bodies , if any . About 500 m south of Beldih apatite mine , a 2.5 km long E - W trending lead anomaly zone was delineated by erstwhile DORIS during 1975-76 . Geophysical ( I.P. ) anomalies for base ...
Page 189
... anomaly range from - 50 to 30 mv ( with a background of -10 mv ) trending in NW direction over a strike length of 100 m is corroborated by weak induced polarisation ( T. D. ) chargeability values of 15 mv / v ( background of 5 mv / v ) ...
... anomaly range from - 50 to 30 mv ( with a background of -10 mv ) trending in NW direction over a strike length of 100 m is corroborated by weak induced polarisation ( T. D. ) chargeability values of 15 mv / v ( background of 5 mv / v ) ...
Page 192
... anomaly of fairly large wavelength is indicative in the east of Tilgudwa upto Kon , flanked by low gravity values in its north and south . The low gravity anomaly around Tunia and Baghsoti is due to possibly low density of granites ...
... anomaly of fairly large wavelength is indicative in the east of Tilgudwa upto Kon , flanked by low gravity values in its north and south . The low gravity anomaly around Tunia and Baghsoti is due to possibly low density of granites ...
Contents
Introduction | 11 |
Southern Region 291362 | 13 |
Geochronology and Isotope Geology Division | 16 |
Copyright | |
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Alluvium amphibolite analysis Andhra Pradesh anomaly associated Asstt bands basalt base metal basin belt Bihar biotite Block boreholes Calcutta Director carried chalcopyrite charnockite clay coal comprising Construction stage geotechnical core covered Deccan Trap delineated deposits depth district DIVISION Headquarters Divn drilling dykes earth dam exploration exposed field season Formation foundation geochemical geological mapping Geologist Jr geophysical geotechnical investigation gneiss gold Gondwana grade granite gneiss granitoids gravity Group indicated investigation was taken Kumar limestone lineaments located logging Madhya Pradesh magnetic Maharashtra migmatite mineral Nagpur Orissa pegmatite phyllite power house Pradesh Code programme proposed quartz quartz veins quartzite Quaternary Rajasthan REGIONAL GEOLOGY DIVISION rhyolite river samples were collected sandstone scale schist seams sediments shear zone Shri Singh slope spillway sq km stage geotechnical investigation stratigraphic strike length studies sulphide mineralisation Supergroup surveys thick Toposheet traverse trending tunnel ultramafic upto volcanics