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 iv
... veins have been identified along the Nongchram - Shallang road section . The discordant quartz veins in the gneisses are founddemolybdenitbearingIaddition furthepp searchomolybdenitbearingquartz veins along the pluton boundaries , the ...
... veins have been identified along the Nongchram - Shallang road section . The discordant quartz veins in the gneisses are founddemolybdenitbearingIaddition furthepp searchomolybdenitbearingquartz veins along the pluton boundaries , the ...
Page 6
... veins and quartz veins within the Precambrian gneissic terrain , specially in the vicinity of younger granitic plutons ( Late Precambrian to Early Palaeozoic ) in Sonapahar - Rongjeng areas in Meghalaya , the Stage Review Committee ...
... veins and quartz veins within the Precambrian gneissic terrain , specially in the vicinity of younger granitic plutons ( Late Precambrian to Early Palaeozoic ) in Sonapahar - Rongjeng areas in Meghalaya , the Stage Review Committee ...
Page 8
... veins of lamprophyre , pegmatite and quartz . Lamprophyre occurs as veinlets and dykes over a maximum length of 5m ... veins are disposed both concordantly and discor- dantly to the foliation of the gneisses . The concordant quartz veins ...
... veins of lamprophyre , pegmatite and quartz . Lamprophyre occurs as veinlets and dykes over a maximum length of 5m ... veins are disposed both concordantly and discor- dantly to the foliation of the gneisses . The concordant quartz veins ...
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