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 iii
... sequence has been mapped . The volcanic sequence is well developed and is in tectonic contact with the rocks of Buxa Formation in southeastern part while on the eastern margin the volcanics disconformably overly the Miri Formation . A ...
... sequence has been mapped . The volcanic sequence is well developed and is in tectonic contact with the rocks of Buxa Formation in southeastern part while on the eastern margin the volcanics disconformably overly the Miri Formation . A ...
Page 56
... sequence of un- oxidised grey , ferro - mag- nesian sand , silt and clay . -Unconformity- Chapar Formation Unit - I Unit - II Archaean Highly oxidised , sandy , gravel beds in lower part with minor silt / clay in upper part . A sequence ...
... sequence of un- oxidised grey , ferro - mag- nesian sand , silt and clay . -Unconformity- Chapar Formation Unit - I Unit - II Archaean Highly oxidised , sandy , gravel beds in lower part with minor silt / clay in upper part . A sequence ...
Page 88
... sequence of the area with a very small patch of Dupitila Group exposed in the southern closure area of Tuipuibari anticline . The ar- gillaceous Middle Bhuban Formation is the oldest unit exposed in the anticlinal cores while the ...
... sequence of the area with a very small patch of Dupitila Group exposed in the southern closure area of Tuipuibari anticline . The ar- gillaceous Middle Bhuban Formation is the oldest unit exposed in the anticlinal cores while the ...
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