Records of the Geological Survey of India, Volume 122, Part 1The Survey, 1996 - 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 90
... varying from 16- 26 % . Seam III has ash content varying from 20 to 31 % . Seam V has ash content around 45 % . The coals are me- dium volatile with CI varying from 14 to 17 . On the basis of the exploration carried out a reserve of 100 ...
... varying from 16- 26 % . Seam III has ash content varying from 20 to 31 % . Seam V has ash content around 45 % . The coals are me- dium volatile with CI varying from 14 to 17 . On the basis of the exploration carried out a reserve of 100 ...
Page 222
... varying in length from a few meters to a few hundred meters pinching out both along the strike and across due to polyphase folding and migmatisation . The maximum width recorded is 30 m . Graphite content generally varies from 5 % to 20 ...
... varying in length from a few meters to a few hundred meters pinching out both along the strike and across due to polyphase folding and migmatisation . The maximum width recorded is 30 m . Graphite content generally varies from 5 % to 20 ...
Page 433
... varying proportions of anhydrite , dolomite , magnesite and clays . Sediment samples Twenty three sediment samples from Jodhpur and Bar- mar districts were analysed for Environmental Geology division . Major minerals found were calcite ...
... varying proportions of anhydrite , dolomite , magnesite and clays . Sediment samples Twenty three sediment samples from Jodhpur and Bar- mar districts were analysed for Environmental Geology division . Major minerals found were calcite ...
Contents
INTRODUCTION | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 4571 | 45 |
COAL WING 7296 | 72 |
Copyright | |
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alignment Alluvium amphibolite analysis Andhra Pradesh anomaly Archaean assess ASSTT bands basalt basemetal basin bed rock Bihar biotite block boreholes carried charnockite chemical clay coal seams Coalfield Code comprises core covered Deccan Deccan Trap delineated deposits depth DIRECTOR GEOLOGIST district drilling dykes ECONOMIC GEOLOGY DIVISION evaluation exploration exposed field season Formation geochemical GEOLOGIST GEOLOGIST JR geophysical geotechnical investigation gneiss Gondwana granite granite gneiss grey Group Headquarters holes India indicated Karnataka km long Kumar laboratory limestone located logging magnetic migmatites mineral mineralisation occur Orissa pegmatite phyllite power house programme quartz quartz veins quartzite Quaternary Rajasthan REGIONAL GEOLOGY DIVISION reservoir river sand sandstone scale schist schist belt sediments shale shear zone SHRI S.K. Singh soil spillway sq km stage geotechnical investigation strike length studies suggested sulphide surface surveys systematic geological mapping thick tion toposheet trench trending tunnel upto volcanics