Records of the Geological Survey of India, Volume 122, Part 8The Survey, 1987 - 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 168
... upto R.D. 356 m from the inlet end and upto R.D. 575 m from the outlet end , through grey , jointed , phyllitic - quartzite . At places , the rock is interesected by shear zones , ranging in width from 0.50 m to 2.50 m . Steel supports ...
... upto R.D. 356 m from the inlet end and upto R.D. 575 m from the outlet end , through grey , jointed , phyllitic - quartzite . At places , the rock is interesected by shear zones , ranging in width from 0.50 m to 2.50 m . Steel supports ...
Page 182
... upto 50 m . Open joints have been noticed upto RD 40 m while glide cracks upto 50 m have been recorded . The power house drift has been logged from RD 160 m to RD 180 m with two cross cuts of 20 m on either side ( parallel to the pro ...
... upto 50 m . Open joints have been noticed upto RD 40 m while glide cracks upto 50 m have been recorded . The power house drift has been logged from RD 160 m to RD 180 m with two cross cuts of 20 m on either side ( parallel to the pro ...
Page 219
... upto R.D. 1990 m . The rocks are mostly self supporting . In Dharasu upstream end the tunnel has been excavated upto R.D. 1880 m and encountered fresh , compact and at times foliated basic rock with thin bands of talc - chlorite schist ...
... upto R.D. 1990 m . The rocks are mostly self supporting . In Dharasu upstream end the tunnel has been excavated upto R.D. 1880 m and encountered fresh , compact and at times foliated basic rock with thin bands of talc - chlorite schist ...
Contents
Thussu G Das Gupta | 1 |
QUATERNARY GEOLOGICAL AND GEOMORPHOLOGICAL MAPPING IN CENTRAL | 8 |
QUATERNARY GEOLOGY AND GEOMORPHOLOGY OF PARTS OF BHATINDA | 55 |
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aeolian alignment Alluvial Alluvium bands biotite calcareous channel Chenab river clay comprising construction covered debris deposits depth dolomite downstream drill hole dunes excavation exposed fault field season folds foliation Formation Ganga Geol geological mapping GEOMORPHOLOGICAL geophysical glacier gneiss grained granite Haryana HIMACHAL PRADESH HYDEL PROJECT India indicated JAMMU AND KASHMIR joints kankar km long Krol Kulu Kumar landslide left bank limestone lineament Lithology lithostratigraphy located logging metres micaceous mineralisation Murree nala Older Alluvium pegmatite penstock phyllite PITHORAGARH DISTRICT plane portal proposed quartz quartzite Quaternary race tunnel Recent Flood Plain Records Vol regional right bank river road rocks samples sand sandstone scale schist sediments sequence shale Sharma shear zone silt siltstone Singh Siwalik slate slope Spiti sq km Srivastava STAGE GEOLOGICAL INVESTIGATIONS studies surface power house Surv surveys tectonic terrace thick Thrust toposheet trending Triassic Upper Siwalik upstream upto UTTAR PRADESH valley