Records of the Geological Survey of India, Volume 125, Part 3The Survey, 1992 - 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 64
... minerals and rocks of economic interest , if any . Second generation mapping on 1 : 25,000 scale was carried out ... Mineral assemblage indicates medium - upper amphibolite facies of metamorphism . The quartz - mica schist rocks near ...
... minerals and rocks of economic interest , if any . Second generation mapping on 1 : 25,000 scale was carried out ... Mineral assemblage indicates medium - upper amphibolite facies of metamorphism . The quartz - mica schist rocks near ...
Page 71
... mineral prospects . One investigation on expedition basis in North Sikkim could not be taken up and the second generation geological mapping in East Sikkim could be continued for a short duration of forty days only . Preliminary work ...
... mineral prospects . One investigation on expedition basis in North Sikkim could not be taken up and the second generation geological mapping in East Sikkim could be continued for a short duration of forty days only . Preliminary work ...
Page 93
... mineral assem- blage of the rocks is pervasively altered with profuse development of epidote . The pillow basalts are essentially porphyritic with phenocrysts of plagioclase ( dominant constituent ) , Fe - Ti oxides , altered olivine ...
... mineral assem- blage of the rocks is pervasively altered with profuse development of epidote . The pillow basalts are essentially porphyritic with phenocrysts of plagioclase ( dominant constituent ) , Fe - Ti oxides , altered olivine ...
Contents
Bihar | 1 |
Studies of granites of Hazaribagh Gaya and Palamau districts Bihar | 7 |
Integrated geological and structural mapping geochemical survey and exploration | 15 |
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Common terms and phrases
amphibolite arca Bankura basin belt Bihar BIHAR Code biotite block boreholes chalcopyrite charnockite chlorite chlorite schist chromite clay Construction stage geotechnical copper deposits depth Dhenkanal district Division II Ops dolerite drilling earth dam Eastern Ghat Economic Geology Engineering Geology Engineering Geology Division excavation field season foliation formation foundation grade garnetiferous geochemical geological mapping Geology Division-II Ops geophysical Geotechnical and Special gneiss gold granite granite gneiss granophyre granulite grouting holes hot spring Irrigation Project khondalite laterite lava left bank located mica schist migmatite mineral nala occur Orissa ORISSA Code OVERVIEW pegmatite Ph Ph Ph Ph/SS Ph/SS phase phyllite Pindara Purulia district quartz quartz veins quartzite Reservoir Scheme river samples sandstone scale schist sector sediments shear zone Sikkim SINGHBHUM DISTRICT slope soil Special Investigation spillway sq km stage geotechnical investigation strike length suggested sulphide Supergroup surface SURVEY OF INDIA syenite toposheet trending upto volcanics West Bengal