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 65
... construction in the region . Excavation of 8.1 km long HRT from four different headings aggregating to 1.7 km has been achieved . The construction of adit no . 1 , which was excavated through a weak tectonised zone comprising Main ...
... construction in the region . Excavation of 8.1 km long HRT from four different headings aggregating to 1.7 km has been achieved . The construction of adit no . 1 , which was excavated through a weak tectonised zone comprising Main ...
Page 78
... CONSTRUCTION STAGE GEOTECHNICAL EVALUATION OF. About 240m upstream of the proposed dam axis , rivers Laiyin and Phieyin flowing towards ENE and west respec- tively join and flows further towards NE . The combined river Dikhu flows ...
... CONSTRUCTION STAGE GEOTECHNICAL EVALUATION OF. About 240m upstream of the proposed dam axis , rivers Laiyin and Phieyin flowing towards ENE and west respec- tively join and flows further towards NE . The combined river Dikhu flows ...
Page 79
... Construction stage geotechnical investigations were con- tinued at the Ranganadi Hydroelectric Project which envisages construction of 60m high concrete dam across Ranga Nadi and divert this water through 6.8m dia and 8.8 km long head ...
... Construction stage geotechnical investigations were con- tinued at the Ranganadi Hydroelectric Project which envisages construction of 60m high concrete dam across Ranga Nadi and divert this water through 6.8m dia and 8.8 km long head ...
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