Records of the Geological Survey of India, Volume 124, Part 1The Survey, 1989 - 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 42
... depth enhanced further quarriable prospect of the area . In the southeastern extrimity of the coalfield in Manikpur east area the regional exploration has been undertaken recently . In Raigarh coalfield , the regional exploration in ...
... depth enhanced further quarriable prospect of the area . In the southeastern extrimity of the coalfield in Manikpur east area the regional exploration has been undertaken recently . In Raigarh coalfield , the regional exploration in ...
Page 68
... depth in central river section ( 4m depth below GL ) and on left flank ( 5m - 8m below GL ) . But on the right bank , foundation is anticipated between 2m to 18m on account of deep weathering . At saddle - I , foundation conditions are ...
... depth in central river section ( 4m depth below GL ) and on left flank ( 5m - 8m below GL ) . But on the right bank , foundation is anticipated between 2m to 18m on account of deep weathering . At saddle - I , foundation conditions are ...
Page 73
... depth of 196'.00m . The borehole has revealed alternate sequence of sandstone ( arkosic ) , siltstone , and shale of Gondwana Supergroup up to a depth of 98.10m ; conglomerate from 98.10 to 101.10 m and thereafter granite and gneisses ...
... depth of 196'.00m . The borehole has revealed alternate sequence of sandstone ( arkosic ) , siltstone , and shale of Gondwana Supergroup up to a depth of 98.10m ; conglomerate from 98.10 to 101.10 m and thereafter granite and gneisses ...
Contents
AIRBORNE MINERAL SURVEYS EXPLORATION WING 2835 | 28 |
COAL WING 3646 | 36 |
MARINE WING 4757 | 47 |
Copyright | |
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alluvium amphibolite analysis Andhra Pradesh anomaly associated Asstt bands basalt base metal basin bed rock Bihar biotite block boreholes carried chalcopyrite charnockite clay coalfield comprising Construction stage core deposits depth Director Geologist district Code DIVISION Headquarters drilling dykes excavation exploration exposed Formation foundation geochemical geological mapping Geologist Jr geomorphological Geophysicist geotechnical investigation gneiss gold Gondwana grained granite granite gneiss granitoids Group holes indicated investigation was taken km long Kumar limestone line km located logging migmatite mineral mineralisation occur Orissa pegmatite phyllite power house Pradesh Precambrian project envisages construction quartz quartz veins quartzite Quaternary Rajasthan Raniganj river rock types samples were collected sand sandstone scale schist schist belt sediments shale shear zone Shri A. K. Singh Singhbhum spillway sq km sq km area stage geotechnical investigation strike length studies sulphide Supergroup surface thick tion Toposheet traverse trench trending tunnel upto volcanics West Bengal