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 7
... CHEMICAL DIVISION Director - in - Charge ( Geochemistry ) : C. K. Ganguly , N. R. Sengupta . The Central Headquarters of the Chemical Division of the GSI is situated in Calcutta . In addition to the co - ordination and management of the ...
... CHEMICAL DIVISION Director - in - Charge ( Geochemistry ) : C. K. Ganguly , N. R. Sengupta . The Central Headquarters of the Chemical Division of the GSI is situated in Calcutta . In addition to the co - ordination and management of the ...
Page 8
... chemical analysis are organised and monitored through the Zonal Committee meetings . CENTRAL CHEMICAL LABORATORY There were three research items on analytical methodology development , one item on standard sample preparation , one item ...
... chemical analysis are organised and monitored through the Zonal Committee meetings . CENTRAL CHEMICAL LABORATORY There were three research items on analytical methodology development , one item on standard sample preparation , one item ...
Page 190
... chemical parametres viz . DI , SI , K , NagO + K2O / CaO , K2O / CaO , FeO / MgO , SiO2 / MgO , Ti / Cr and Ti / Zr in a vertical sequence of lava flows in Salbardi drill hole indicates that the lava pile does not represent a sequence ...
... chemical parametres viz . DI , SI , K , NagO + K2O / CaO , K2O / CaO , FeO / MgO , SiO2 / MgO , Ti / Cr and Ti / Zr in a vertical sequence of lava flows in Salbardi drill hole indicates that the lava pile does not represent a sequence ...
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