Records of the Geological Survey of India, Volume 131, Part 4
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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alignment Alluvium ANTICLINE Archaean Arunachal Pradesh Assam AXIAL TRACE bands basin bedrock BHUBAN FORMATION biotite Bokabil boreholes boulders Chhimtuipui conglomerates construction dam axis Dawki depth Dibang Valley district dimension stone dips drilled East Khasi Hills erosion excavation exposed fault folds foliation Gandhigram Formation Garo Hills geoenvironmental GEOTECHNICAL APPRAISAL GEOTECHNICAL EVALUATION GEOTECHNICAL INVESTIGATION Ghosh gneiss gold and basemetal granite granitoid grey Hailakandi districts Hunli investigation for gold Jaintia Hills district kg/cm² KHASI HILLS DISTRICT Kopili Formation Lakadong landslide left abutment limestone located Longlai valley Lunglei districts magnetic VF Manipur marble medium grained Meghalaya mineral mineralisation Mizoram Multipurpose Project Nagaland OVERVIEW Papumpare penstock power channel proposed dam quartzite Quaternary resource right abutment right bank river road rocks sandstone scale schist sedimentary shear zone Shillong Group siltstone Siwalik slope spillway sq km sq km area structure studies suitable synclines Systematic geological mapping Tertiary thick Tilung Tipam TOPOSHEET trending upstream WEST KHASI