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 40
... Abor sequence of Abor Group with a basal limestone band rests unconformably over the Miri Formation . It has undergone very limited structural deformation in the form of minor open folds and warps . Its southern margin however shows ...
... Abor sequence of Abor Group with a basal limestone band rests unconformably over the Miri Formation . It has undergone very limited structural deformation in the form of minor open folds and warps . Its southern margin however shows ...
Page 41
... Abor volcanics and sedimentary sequence have not suffered any significant metamorphism . Abor volcanics are well developed and are more than 1000 m thick between Rotung and Yembung . The presence of vol- canic agglomeratic breccia ...
... Abor volcanics and sedimentary sequence have not suffered any significant metamorphism . Abor volcanics are well developed and are more than 1000 m thick between Rotung and Yembung . The presence of vol- canic agglomeratic breccia ...
Page 50
... Abor volcanics and Yinkiong Formation are exposed in the area . The Buxa Formation juxtaposes the Abor and Yinkiong Formations and consists predominantly quartzites of varied colour , texture and composition , phyllite and marble ...
... Abor volcanics and Yinkiong Formation are exposed in the area . The Buxa Formation juxtaposes the Abor and Yinkiong Formations and consists predominantly quartzites of varied colour , texture and composition , phyllite and marble ...
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