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 6
... represented by weakly foliated pink granite gneiss , contains enclaves of metasedimentaries and metabasics . The next phase is represented by mesocratic , often porphyritic , grey granite having mafics ( biotite and horn blende ) upto ...
... represented by weakly foliated pink granite gneiss , contains enclaves of metasedimentaries and metabasics . The next phase is represented by mesocratic , often porphyritic , grey granite having mafics ( biotite and horn blende ) upto ...
Page 50
... represented by Eastern Ghats Super Group of rocks lies to the east . A narrow NNE - SSW trending zone of granite gneiss with numerous enclaves of metabasic rock ( amphibolite , horn- blende schist , etc ) separates these two rock groups ...
... represented by Eastern Ghats Super Group of rocks lies to the east . A narrow NNE - SSW trending zone of granite gneiss with numerous enclaves of metabasic rock ( amphibolite , horn- blende schist , etc ) separates these two rock groups ...
Page 81
... represented by basic granulites , viz . , granulitic norite and two pyroxene granulite and acid granu- lites represented by charnockite and leptynite . The area witnessed two phases of basic igneous activity after the formation of basic ...
... represented by basic granulites , viz . , granulitic norite and two pyroxene granulite and acid granu- lites represented by charnockite and leptynite . The area witnessed two phases of basic igneous activity after the formation of basic ...
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