Records of the Geological Survey of India, Volume 126, Parts 3-5Government of India, 1991 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 147
... trench has been started in the F.S. 1991-92 . Recently the cut - off - trench has been excavated upto the designed depth betwenn RD . 240m to RD.960m where different types of soil such as black cotton soil , sandy soil , brownish clayey ...
... trench has been started in the F.S. 1991-92 . Recently the cut - off - trench has been excavated upto the designed depth betwenn RD . 240m to RD.960m where different types of soil such as black cotton soil , sandy soil , brownish clayey ...
Page 69
... trench portion of 75m at RB - 2 dykes was carried out . It is aligned in N75 ° W direction and its base width varies from 3.20m to 4.60m having a maximum depth . of 3.75m below NSL . Thinly interbedded sequence of shale and sandstone ...
... trench portion of 75m at RB - 2 dykes was carried out . It is aligned in N75 ° W direction and its base width varies from 3.20m to 4.60m having a maximum depth . of 3.75m below NSL . Thinly interbedded sequence of shale and sandstone ...
Page 98
... trenches were opened up with 30m spacing , establishing the mineralised zone over a strike length of 580 m . The lode ... trench values are higher . Both the boreholes drilled intersected lean mineralised zones without any significant ...
... trenches were opened up with 30m spacing , establishing the mineralised zone over a strike length of 580 m . The lode ... trench values are higher . Both the boreholes drilled intersected lean mineralised zones without any significant ...
Contents
Quaternary geological and geomorphological mapping of the SonGanga | 2 |
An Overview | 10 |
Integrated geological and structural mapping and geochemical survey | 17 |
Copyright | |
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alignment amphibolite ANDHRA PRADESH anomaly zones apatite bands basemetal basin BIHAR biotite block boreholes carried chalcopyrite charnockite chlorite chlorite schist chromite Code construction depth DISTRICT dolerite drilling dykes east eastern Engineering Geology exposed field season flood folds foliation Formation foundation gabbro geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold granite granite gneiss granitoids granulite grey Group grouting hill hornblende INDEX indicated intersected intrusives Irrigation Project joints KARNATAKA kimberlite laterite limestone lithounits located magnetite metabasalt migmatite mineral mineralised zone occur Orissa pegmatite phyllite pink power house proposed pyrite pyroxenite quartz quartz veins quartzite Quaternary reservoir river rock types samples sandstone scale schist schist belt schistose shale shear zone Singhbhum slope soil Sp Sp Sp spillway sq km STAGE GEOTECHNICAL INVESTIGATION strike length structure studies suggested sulphide surface surveys syenite thick toposheet traverse trench trending tunnel ultramafic upto valley volcanics width Δ Δ Δ