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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Results 1-3 of 37
Page 43
... indicated lead and zinc values ranging from 1.00 to 2.5 % and 1.0 to 5.0 % respectively with spot high values of 17.60 % lead and 12.60 % zinc . Some of the samples have also analysed high values of cadmium and silver upto 270 ppm and ...
... indicated lead and zinc values ranging from 1.00 to 2.5 % and 1.0 to 5.0 % respectively with spot high values of 17.60 % lead and 12.60 % zinc . Some of the samples have also analysed high values of cadmium and silver upto 270 ppm and ...
Page 79
... indicated bed rock at a depths of 11.0m towards the abutments and 24m at the centre of the river . Excavation of the 253.5m long diversion tunnel located on the left bank of the river is completed . Collapse of the intake portal slope ...
... indicated bed rock at a depths of 11.0m towards the abutments and 24m at the centre of the river . Excavation of the 253.5m long diversion tunnel located on the left bank of the river is completed . Collapse of the intake portal slope ...
Page 82
... indicated fresh rock at a depth of 4m thus indicating the possible stripping limit of 4m on the left abut- ment . Borehole BH - 1 drilled at the centre of river has not en- countered bed rock even upto a depth of 13.10m . An additional ...
... indicated fresh rock at a depth of 4m thus indicating the possible stripping limit of 4m on the left abut- ment . Borehole BH - 1 drilled at the centre of river has not en- countered bed rock even upto a depth of 13.10m . An additional ...
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