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 23
... units . Lithostratigraphic classifications ( at formational level ) have been made by taking traverses across the regional trend of rocks . The classification is based on differing proportions of the arenaceous and argillaceous ...
... units . Lithostratigraphic classifications ( at formational level ) have been made by taking traverses across the regional trend of rocks . The classification is based on differing proportions of the arenaceous and argillaceous ...
Page 56
... Unit - I Unit - II Archaean Highly oxidised , sandy , gravel beds in lower part with minor silt / clay in upper part . A ... units belonging to two fun- damental landform components , viz . ( 1 ) denudational hills and ( 2 ) depositional ...
... Unit - I Unit - II Archaean Highly oxidised , sandy , gravel beds in lower part with minor silt / clay in upper part . A ... units belonging to two fun- damental landform components , viz . ( 1 ) denudational hills and ( 2 ) depositional ...
Page 88
... unit is exposed in the Marpara , Dampha and Tuilianpui synclines . The Dupitila Group is represented in the area by a small patch of unconsolidated sandy sediments juxtaposed with Bokabil Formation . These units show distinct photo ...
... unit is exposed in the Marpara , Dampha and Tuilianpui synclines . The Dupitila Group is represented in the area by a small patch of unconsolidated sandy sediments juxtaposed with Bokabil Formation . These units show distinct photo ...
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