Records of the Geological Survey of India, Volume 124, Parts 3-4Government of India, 1991 - 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 198
... indicate possibility of presence of alkalic - carbonatitic_magmatism on regional scale . There is substantative evidence for an alkaline province postulated by Ghosh Roy . Besides phosphate , sporadic sulphide mineralisation needs ...
... indicate possibility of presence of alkalic - carbonatitic_magmatism on regional scale . There is substantative evidence for an alkaline province postulated by Ghosh Roy . Besides phosphate , sporadic sulphide mineralisation needs ...
Page 201
... indicate slight enrichment of LREE compared to HREE . The strong positive Eu anomaly possibly indicates felspar cumulate origin for at least part of the suite and plagioclase accumulation in a ' primitive ' masic magma ( Barker , 1983 ...
... indicate slight enrichment of LREE compared to HREE . The strong positive Eu anomaly possibly indicates felspar cumulate origin for at least part of the suite and plagioclase accumulation in a ' primitive ' masic magma ( Barker , 1983 ...
Page 84
... indicates that the deposition possibly took place under a shallow marine condition . The multistoryed sandstones ... indicate a deltaic to lagoonal condition of deposition . No minerals of economic importance have been found in the ...
... indicates that the deposition possibly took place under a shallow marine condition . The multistoryed sandstones ... indicate a deltaic to lagoonal condition of deposition . No minerals of economic importance have been found in the ...
Contents
Quaternary geological and geomorphological mapping in the Gandak basin in parts of east | 7 |
5000063360 scale and quadrangle sheets with | 14 |
Geology of the area around Pasighat Ledum Koyu East Siang district | 3 |
Copyright | |
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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 erosion excavation exposed fault field season flood plain folds foliation foundation geochemical geological mapping geomorphological geophysical Geotechnical and Special geotechnical investigation gneiss Gondwana 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 volcanics West Bengal