Records of the Geological Survey of India, Volume 124, Part 3The Survey, 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 86
... schist along the granite margins . Earlier geochemical data showed Cu ( 100-265 ppm ) , Zn ( 100-270 ppm ) and rarely ( at Jamdih ) Pb ( 100-1640 ppm ) in the ferruginous mica schist along the western margin , whereas on the eastern ...
... schist along the granite margins . Earlier geochemical data showed Cu ( 100-265 ppm ) , Zn ( 100-270 ppm ) and rarely ( at Jamdih ) Pb ( 100-1640 ppm ) in the ferruginous mica schist along the western margin , whereas on the eastern ...
Page 100
... schist , chlorite schist , mica schist , feldspathic achist and amphibolite belonging to the Iron Ore Stage ( Dunn , 1937 ) . Chlorite schist ( tuffaceous metasediments ) and its variants with limonitic and malachite stains appear to be ...
... schist , chlorite schist , mica schist , feldspathic achist and amphibolite belonging to the Iron Ore Stage ( Dunn , 1937 ) . Chlorite schist ( tuffaceous metasediments ) and its variants with limonitic and malachite stains appear to be ...
Page 179
... schist , mica schist and phyllite , intruded by younger soda - granite and granophyre ( Arkasani grano- phyre ) . The newer dolerite dykes have intruded all the above - mentioned rocks . The foliated rocks have a general E - W trend and ...
... schist , mica schist and phyllite , intruded by younger soda - granite and granophyre ( Arkasani grano- phyre ) . The newer dolerite dykes have intruded all the above - mentioned rocks . The foliated rocks have a general E - W trend and ...
Contents
Quaternary geological and geomorphological mapping of the GangaSon alluvial belt in Aurangabad | 4 |
Integrated geological and structural mapping and geochemical survey and exploration by drilling in parts | 10 |
Bihar | 19 |
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alignment amphibolite Andaman anomaly arca ash bed basemetal basin belt BIHAR BIHAR Code block boreholes charnockites clay CONSTRUCTION STAGE GEOTECHNICAL copper dam axis deposits depth Dhanjori drilling Eastern Ghat Economic Geology Engineering Geology Engineering Geology Division-II excavation FEASIBILITY STAGE GEOTECHNICAL FIELD SEASON flood plain folds foliation formation geochemical geological mapping Geology Division Geology Division-II Ops geophysical Geotechnical and Special GEOTECHNICAL INVESTIGATION gneiss gold Gondwana granite granite gneiss granitoids graphite Group of rocks grouting holes indicate Khondalite Koraput laterite lava located mica schist migmatite mineralisation nala occur Orissa ORISSA Code pegmatite ph ph phyllite power house Purulia district quartz quartz veins quartzite Quaternary Rec.GSI Regional Geology RESERVOIR SCHEME river rock types SAMBALPUR DISTRICT samples sandstone scale schist sector sediments shear zone Sikkim Singhbhum slope soil Special Investigation spillway sq km STAGE GEOTECHNICAL INVESTIGATION structures surface SURVEY OF INDIA toposheets traverses trending tunnel upto volcanic West Bengal