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 138
... tion results indicate that the thickness of overburden extends down to 15-30m . Generally the thickness of overburden is less in the river bed than on the banks . The over burden is underlain , by granite gneiss with basic rock . The ...
... tion results indicate that the thickness of overburden extends down to 15-30m . Generally the thickness of overburden is less in the river bed than on the banks . The over burden is underlain , by granite gneiss with basic rock . The ...
Page 202
... tion condition of the proposed structures . The country rock in the area is carbonaceous phyllites overlain by a thin blanket of overburden material . The implications of thinly foliated phyllites on the power channel slopes and other ...
... tion condition of the proposed structures . The country rock in the area is carbonaceous phyllites overlain by a thin blanket of overburden material . The implications of thinly foliated phyllites on the power channel slopes and other ...
Page 239
... tion of 250 MW of power . In earlier field seasons progressive review and founda- tion mapping of the spillway excavations a core trench excavations were done . Jointed shales of Disang Group are exposed in the core trench which are ...
... tion of 250 MW of power . In earlier field seasons progressive review and founda- tion mapping of the spillway excavations a core trench excavations were done . Jointed shales of Disang Group are exposed in the core trench which are ...
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