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 38
... thick interbedding of medium to fine- grained sandstone and shale and thickly laminated sand- stone - shale . A 30 ... thickness of this formation as seen from boreholes is about 174 m . Disconformably overlying the Raniganj Formation ...
... thick interbedding of medium to fine- grained sandstone and shale and thickly laminated sand- stone - shale . A 30 ... thickness of this formation as seen from boreholes is about 174 m . Disconformably overlying the Raniganj Formation ...
Page 40
... thick ash bed mixed with reddish sandy clay is exposed 150 m SE of Bijigola village near Samal . By far the best exposures of ash beds are scen in Mahandi river sections . Individual ash lenses upto 3 m thick and with strike extension ...
... thick ash bed mixed with reddish sandy clay is exposed 150 m SE of Bijigola village near Samal . By far the best exposures of ash beds are scen in Mahandi river sections . Individual ash lenses upto 3 m thick and with strike extension ...
Page 52
... thick pile of vesicular and amygdular basalt , capped by thick laterite . Laterite has also developed along the slopes , thus covering the basalt hills from all sides . Ovoid quartzite pebbles embedded in basalt with chilled margins may ...
... thick pile of vesicular and amygdular basalt , capped by thick laterite . Laterite has also developed along the slopes , thus covering the basalt hills from all sides . Ovoid quartzite pebbles embedded in basalt with chilled margins may ...
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