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 127
Geological Survey of India. numerous quartz veins or veinlets of at least two genera- tions ranging in thickness from 30 m to 2.5 m . The individual veins of an en echelon array extend upto 25 m . At places , they contain visible ...
Geological Survey of India. numerous quartz veins or veinlets of at least two genera- tions ranging in thickness from 30 m to 2.5 m . The individual veins of an en echelon array extend upto 25 m . At places , they contain visible ...
Page 33
... quartz veins represent the youngest intrusive activity . The rocks are folded into NW - SE trending overturned isoclinal syncline plunging gently towards NW with axial plane dipping moderately towards NE . The rocks are refolded into ...
... quartz veins represent the youngest intrusive activity . The rocks are folded into NW - SE trending overturned isoclinal syncline plunging gently towards NW with axial plane dipping moderately towards NE . The rocks are refolded into ...
Page 77
... quartz veins were mapped . A common feature to these quartz - veins is that , all of them are within granitic country very close to the schist belt . The quartz is mostly impure , ferruginous , at places brecciated and limonitised ...
... quartz veins were mapped . A common feature to these quartz - veins is that , all of them are within granitic country very close to the schist belt . The quartz is mostly impure , ferruginous , at places brecciated and limonitised ...
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