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 50
... schist belt . The Javanahalli schist belt , juxtaposed to the east of the Chitraduga schist belt , is of a higher metamorphic grade . These two belts are separated partly by a linear Pitali granite in the northern part and Bukkapatna ...
... schist belt . The Javanahalli schist belt , juxtaposed to the east of the Chitraduga schist belt , is of a higher metamorphic grade . These two belts are separated partly by a linear Pitali granite in the northern part and Bukkapatna ...
Page 198
... schist belt in parts of Bellary , Raichur and Bijapur ( 47P , 48M , 56D , 57A ) districts of Karnataka . The work involved was 1200 km of traverse mapping on 1 : 50,000 scale , 500 sq km photogeological interpretation , 500 1 km of ...
... schist belt in parts of Bellary , Raichur and Bijapur ( 47P , 48M , 56D , 57A ) districts of Karnataka . The work involved was 1200 km of traverse mapping on 1 : 50,000 scale , 500 sq km photogeological interpretation , 500 1 km of ...
Page 248
... schist belt and consists of schistose and granitoid group of rocks . The schistose rocks in which the lower basic volcanic suite occurs comprise hornblende / chlorite / actinolite schists with thin bands of quartzite . The upper ...
... schist belt and consists of schistose and granitoid group of rocks . The schistose rocks in which the lower basic volcanic suite occurs comprise hornblende / chlorite / actinolite schists with thin bands of quartzite . The upper ...
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