Records of the Geological Survey of India, Volume 124, Parts 3-4
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.
Quaternary geological and geomorphological mapping in the Gandak basin in parts of east
5000063360 scale and quadrangle sheets with
Geology of the area around Pasighat Ledum Koyu East Siang district
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alignment amphibolite anomaly arca Arunachal Pradesh Assam bands Barail Group basemetal basin bed rock belt Bhuban Bihar biotite block boreholes Brahmaputra Charnockite clay CONSTRUCTION STAGE GEOTECHNICAL dam axis deposits depth drilling Engineering Geology Engineering Geology Division excavation exposed fault field season flood plain folds foliation foundation geochemical geological mapping geomorphological geophysical Geotechnical and Special geotechnical investigation gneiss Gondwana grade grained granite gneiss granitoids grey Group of rocks grouting GSI.Rec Hills district holes indicate irrigation left bank limestone located Manipur Meghalaya mineralisation Mizoram nala occur Orissa pegmatite phyllite power house Precambrian proposed Purulia quartz quartz veins quartzite Quaternary Regional Geology Division reservoir scheme river samples sand sandstone scale schist sedimentary sediments sequence shale shear zone Shillong siltstone Singhbhum slope soil Special Investigation spillway sq km STAGE GEOTECHNICAL INVESTIGATION structures Subansiri surface Survey of India terrace Tertiary thick toposheet traverses trending tunnel upto valley volcanic West Bengal