Records of the Geological Survey of India, Volume 121, Part 1The Survey, 1991 - 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 137
... detailed work was taken up in Karkari sub - basin for locating placer gold deposits . The pebble gravel horizons of the Lohri and Barwa formations of the sub - basin are auriferous . Auger drilling , pitting , panning and sampling in ...
... detailed work was taken up in Karkari sub - basin for locating placer gold deposits . The pebble gravel horizons of the Lohri and Barwa formations of the sub - basin are auriferous . Auger drilling , pitting , panning and sampling in ...
Page 249
... detailed work . U. S. Reddy , C. Chakrabarti , B. V. Ganesh and N. D. Ramachandra carried out the investigation . A total 0.5 sq km of detailed mapping ( 1 : 2000 scale ) , 926 cum of trenching , 5,848.55 m of drilling and 1311 nos . of ...
... detailed work . U. S. Reddy , C. Chakrabarti , B. V. Ganesh and N. D. Ramachandra carried out the investigation . A total 0.5 sq km of detailed mapping ( 1 : 2000 scale ) , 926 cum of trenching , 5,848.55 m of drilling and 1311 nos . of ...
Page 297
... detailed geological investigation of Subansiri Dam project , Subansiri district ( EG / 83 / I / NER / 83/148 ) . The project sponsored by the Brahmaputra Board , envisages constructions of the dam , the height of which has to be raised ...
... detailed geological investigation of Subansiri Dam project , Subansiri district ( EG / 83 / I / NER / 83/148 ) . The project sponsored by the Brahmaputra Board , envisages constructions of the dam , the height of which has to be raised ...
Contents
INTRODUCTION | 1 |
AIRBORNE MINERAL SURVEYS EXPLORATION WING | 44 |
OPERATION BIHAR | 135 |
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alignment analysis Andhra Pradesh anomaly arca assess Asstt bands basalt basin Bihar biotite block boreholes carried chalcopyrite charnockite chemical clay coal coalfield comprising Construction stage covering an area Deccan Trap delineated deposits depth district DIVISION Director DIVISION-I Divn drill cores dykes Economic Geology evaluation exploration exposed field season Formation fossils geochemical geological investigations geological mapping Geologist Jr GEOLOGY DIVISION geomorphological geophysical surveys Geophysicist geotechnical investigation Ghosh gneiss Gondwana granite granite gneiss Group indicated investigation was taken Karnataka km was covered Kumar laboratory limestone located logging magnetic Maharashtra migmatites mineral mineralisation occur Orissa pegmatite Petrology phyllite power house programme proposed quartz quartzite Quaternary Rajasthan Regional Geology river rock types S/Shri samples were collected sandstone scale schist schist belt seams sediments sequence shale Shri Singh Siwalik spillway sq km Srivastava strike length studies suggested sulphide surface thickness toposheet trending tunnel upto Uttar Pradesh