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 4
... located in the northern fringe of Shillong plateau . The main lithounits of the area are biotite - quartz gneiss to the south of Barigang nala and fine grained granite gneiss to the north . The mineralised zone as proved by borehole ...
... located in the northern fringe of Shillong plateau . The main lithounits of the area are biotite - quartz gneiss to the south of Barigang nala and fine grained granite gneiss to the north . The mineralised zone as proved by borehole ...
Page 6
... located 60m NW of UPT - 28 & 29. The other chargeability anomaly of lower order is located at 320m WSW of UPT - 29 . Geochemical soil survey on a close spaced grid pattern in Umpyrtha area has shown that even in this rugged terrain with ...
... located 60m NW of UPT - 28 & 29. The other chargeability anomaly of lower order is located at 320m WSW of UPT - 29 . Geochemical soil survey on a close spaced grid pattern in Umpyrtha area has shown that even in this rugged terrain with ...
Page 61
... located and are not base on the local geomorphological setting . The engineering structures located in the lower terrace zone , adjacent to banklines , in many cases are exposed to extreme hydraulic lateral thrust of the river during ...
... located and are not base on the local geomorphological setting . The engineering structures located in the lower terrace zone , adjacent to banklines , in many cases are exposed to extreme hydraulic lateral thrust of the river during ...
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