Records of the Geological Survey of India, Volume 130, 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 31
... river , a 9.2 km head ace tunnel of 6.8 m diameter with a surface power house n the left bank of Dikrong river to generate 405 MW ower . Geological logging of tunnels aggregating to 1080.0 i was carried out to evaluate the rock mass and ...
... river , a 9.2 km head ace tunnel of 6.8 m diameter with a surface power house n the left bank of Dikrong river to generate 405 MW ower . Geological logging of tunnels aggregating to 1080.0 i was carried out to evaluate the rock mass and ...
Page 32
... river with Lohit at Hayaliang were considerd . Early geological investigations at Hayaliang dam site brought out the presence of about 80 m thick loose overburden in the river bed section which could pose serious problems of leakage and ...
... river with Lohit at Hayaliang were considerd . Early geological investigations at Hayaliang dam site brought out the presence of about 80 m thick loose overburden in the river bed section which could pose serious problems of leakage and ...
Page 39
... river at the proposed N -- S aligned weir axis lows in a 25 m wide channel . Both the abutments are overed with red soil . Slightly weathered to fresh , hard ranite - gneiss is exposed at lower levels along the river . ' wo sets of ...
... river at the proposed N -- S aligned weir axis lows in a 25 m wide channel . Both the abutments are overed with red soil . Slightly weathered to fresh , hard ranite - gneiss is exposed at lower levels along the river . ' wo sets of ...
Contents
Foreword | 1 |
PROJECT2 LIMESTONE MEGHALAYA | 7 |
Regional geoenvironmental appraisal of Meghalaya | 9 |
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abutment amphibolite Archaean ARUNACHAL PRADESH Assam axial plane axis bands basemetal bed rock Bhuban Formation biotite block bore holes boreholes carried channel Chu valley clay comprises conglomerate construction Crystalline Complex depth dimension stones dips dolerite drilled dyke EAST KHASI HILLS evaluation excavation exposed folds foliation Gandhigram Formation GDP-LOG geoenvironmental GEOTECHNICAL INVESTIGATION gneisses granite gneiss granitoids grey Karbi Anglong district KHASI HILLS DISTRICT Kopili lamprophyre leakage limestone lithounits located Mahadek Formation Mawsynram medium grained Meghalaya metasedimentary metasediments micaceous Middle Bhuban migmatites mineralisation mylonitic Nagaon overburden phyllite power house proposed Proterozoic quartzite Quaternary reservoir river samples sandstone scale schist sediments Sela Group sequence shale Shillong Shillong Group Siang district siltstone slope soil spillway sq km sq km area sq.km structure studies Subansiri suitable Surma Group surveys Systematic geological mapping Tertiary thick Thrust Tilung Tipam Toposheet trending Tuting Crystallines Unconformity Upper Bhuban upstream WEST के