Records of the Geological Survey of India, Volume 123, Part 1The Survey, 2002 - 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 115
... structure . The cut - off trench area of the main earth dam between RD 90m and RD 74m was geologically assessed and is found to consist of hard and fresh granitic rocks traversed by a number of joint sets . Nominal cut - off for a depth ...
... structure . The cut - off trench area of the main earth dam between RD 90m and RD 74m was geologically assessed and is found to consist of hard and fresh granitic rocks traversed by a number of joint sets . Nominal cut - off for a depth ...
Page 118
... structure . The spill- way area between RD 0m and RD 20m and the area upstream of the axis between RD 66m and RD 110m has been geotechnically assessed and found suitable for the proposed structure . B. Debnath carried out the work ...
... structure . The spill- way area between RD 0m and RD 20m and the area upstream of the axis between RD 66m and RD 110m has been geotechnically assessed and found suitable for the proposed structure . B. Debnath carried out the work ...
Page 178
... structures . In Bilaigarh area , gentle north - westerly plunging NW - SE trending antiformal and synformal structure ( to the west ) is found . The eastern side 1ocks were affected by NW - SE trending fault . In Baitalpur area , Chandi ...
... structures . In Bilaigarh area , gentle north - westerly plunging NW - SE trending antiformal and synformal structure ( to the west ) is found . The eastern side 1ocks were affected by NW - SE trending fault . In Baitalpur area , Chandi ...
Contents
CENTRAL HEADQUARTERS | 1 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 46 |
COAL WING | 72 |
Copyright | |
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analysed anomaly assess associated bands basalt base basic basin belt Bihar block bodies boreholes carried channel clay coal Code collected completed comprises condition construction continued core covered delineated deposits depth detailed developed Director district Division drilling dykes eastern exploration exposed field flows Formation foundation geological mapping geophysical geotechnical investigation gneiss gold grade grained granite Group Headquarters holes identified indicated intrusive irrigation length lignite limestone located lower magnetic major mineral mineralisation Nagpur objective occur Orissa Pradesh prepared present processed proposed quartz quartzite range Regional reported reservoir revealed river rock samples sand sandstone scale Scheme schist seams sediments shale shear soil spillway sq km stage strike structure suggested surface surveys taken thickness thin tion Toposheet traverses trending tunnel units upto values varies various veins West zone