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 13
... valleys are very wide compared to the nature of the streams . Valleys almost U - shaped are sometimes seen . The tentative lithostratigraphic sequence based on field relations is given below : Quaternary Tertiary Minor alluvium and ...
... valleys are very wide compared to the nature of the streams . Valleys almost U - shaped are sometimes seen . The tentative lithostratigraphic sequence based on field relations is given below : Quaternary Tertiary Minor alluvium and ...
Page 87
... valleys . The folded sedimentaries are mainly represented by Surma Group with a small patch of Dupitila Group in the south . The Surma Group is comprising of Middle and Upper Bhuban Formations which are respectively argillaceous and ...
... valleys . The folded sedimentaries are mainly represented by Surma Group with a small patch of Dupitila Group in the south . The Surma Group is comprising of Middle and Upper Bhuban Formations which are respectively argillaceous and ...
Page 88
... valleys . The drainage network is dominantly trellis with dendridic pat- tern confined mainly to Dhaleswari , Tut and Telyeli lui - Mar lui valleys . Reversal of drainage due to geomorphic high , a result of faulting in Dampha RF ...
... valleys . The drainage network is dominantly trellis with dendridic pat- tern confined mainly to Dhaleswari , Tut and Telyeli lui - Mar lui valleys . Reversal of drainage due to geomorphic high , a result of faulting in Dampha RF ...
Contents
AssamMeghalaya TripuraMizoram and ManipurNagaland | 3 |
Geological Mapping TripuraMizoram | 23 |
Geological Mapping ManipurNagaland | 29 |
Copyright | |
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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