Records of the Geological Survey of India, Volume 127, Part 4The Survey, 1995 - 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 74
... AXIS , LEFT ABUTMENT. The exploration completed so far indicate that bedrock is not available within reasonable depth ... axis and Power House Pit and examination of drill cores has been carried out ( Plate - 20 ) . The geological mapping ...
... AXIS , LEFT ABUTMENT. The exploration completed so far indicate that bedrock is not available within reasonable depth ... axis and Power House Pit and examination of drill cores has been carried out ( Plate - 20 ) . The geological mapping ...
Page 77
... axis and dip at 500 towards southeast . Prima facie , the topography and availability of hard and thickly bedded sandstones at and around the dam axis favour a concrete structure . However , the strength parameters of the foundation ...
... axis and dip at 500 towards southeast . Prima facie , the topography and availability of hard and thickly bedded sandstones at and around the dam axis favour a concrete structure . However , the strength parameters of the foundation ...
Page 78
... axis , rivers Laiyin and Phieyin flowing towards ENE and west respec- tively join and flows further towards NE . The combined river Dikhu flows through a 40m ( approx . ) wide channel at R.L 171m during winter at the dam site . However ...
... axis , rivers Laiyin and Phieyin flowing towards ENE and west respec- tively join and flows further towards NE . The combined river Dikhu flows through a 40m ( approx . ) wide channel at R.L 171m during winter at the dam site . However ...
Contents
AssamMeghalaya TripuraMizoram and ManipurNagaland | 3 |
Geological Mapping TripuraMizoram | 23 |
Geological Mapping ManipurNagaland | 29 |
Copyright | |
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Common terms and phrases
Abor volcanics abutment Aizawl alignment amphibolite anomaly anticlines arenaceous argillaceous ARUNACHAL PRADESH Assam axial bands Barail Group bed rock Bhuban Formation block Bokabil bore holes boreholes Brahmaputra Buxa Formation Chandel districts channel chromite clay dam axis deposits depth Disang dolomite drilling East Siang East Siang district Engineering Geology excavated exposed faults field season fold geochemical geomorphological geotechnical gneiss grey Group of rocks harzburgite hill indicated investigation Jorhat limestone lithological lithounits located LUNGLEI DISTRICTS Manipur medium grained Meghalaya mineral mineralisation MIZORAM NAGALAND nala NE-SW Noa Dihing occur Older Alluvial Plain ophiolite pelagic sediments Phyllite power house Precambrian Project proposed quartz quartzite Quaternary regional right bank river Samchampi samples sandstone schist sequence shale shear Shergaon Shillong Shillong Group silt siltstone slope sq.km structures studies sulphides surface Surma Group synclines systematic geological mapping terrace Tertiary thick Tipam traverses Tripura tunnel ultramafic Umpyrtha area unconformably upto veins Yinkiong zone