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 29
... represented by a thrust belt of ophiolite pelagic sediments along the eastrn border and a vast expanse of flyschoid ... represented by a lower sandy formation ( Laisong ) , middle argillaceans formation ( Jenam ) and an upper Renji ...
... represented by a thrust belt of ophiolite pelagic sediments along the eastrn border and a vast expanse of flyschoid ... represented by a lower sandy formation ( Laisong ) , middle argillaceans formation ( Jenam ) and an upper Renji ...
Page 30
... represented by khaki grey to yellowish coloured shale , splintery in nature and is interbedded with fine to medium grained sandstone and siltstone . At places it has rhyth- mic alternations of shale and siltstone , as observed at Selsi ...
... represented by khaki grey to yellowish coloured shale , splintery in nature and is interbedded with fine to medium grained sandstone and siltstone . At places it has rhyth- mic alternations of shale and siltstone , as observed at Selsi ...
Page 41
... represented dominantly by phyllites and calcareous quartzites with a few bands of limestone / dolos- tone and at places marble . The Miri Formation ( Yembung quartzite ) is characterised by compact , pink to white sac- charoidal ...
... represented dominantly by phyllites and calcareous quartzites with a few bands of limestone / dolos- tone and at places marble . The Miri Formation ( Yembung quartzite ) is characterised by compact , pink to white sac- charoidal ...
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