Records of the Geological Survey of India, Volume 127, Parts 3-4Government of India, 1992 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page iii
... further exploration . Extension of the Singhbhum Shear Zone , further south of its known location , was probed and assessment is in progress towards exploitation feasibility in new areas . The supracrustals , occurring between the ...
... further exploration . Extension of the Singhbhum Shear Zone , further south of its known location , was probed and assessment is in progress towards exploitation feasibility in new areas . The supracrustals , occurring between the ...
Page 96
... further synthesized and a few significant observa- tions have been made . These are i ) The recent lava as well as the lavas of the earlier two phases are subalkalic island - arc tholeiites . The trace - element content of these rocks ...
... further synthesized and a few significant observa- tions have been made . These are i ) The recent lava as well as the lavas of the earlier two phases are subalkalic island - arc tholeiites . The trace - element content of these rocks ...
Page 43
... further extension upto a total of 11.00 km . The area has been divided for exploration purposes into Mukatung ... further detailing by section measurements was felt to bring out the true thickness of the mineralised dolomite and the ...
... further extension upto a total of 11.00 km . The area has been divided for exploration purposes into Mukatung ... further detailing by section measurements was felt to bring out the true thickness of the mineralised dolomite and the ...
Contents
Chhotanagpur Gneiss | 8 |
Geological mapping and geochomical survey to the south | 15 |
Singhbhum Belt and North Singhbhum Shear Zone | 22 |
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ABSTRACTS OF PROGRESS Aizawl alignment amphibolite Andaman anomaly apatite ARUNACHAL PRADESH Assam bands bank basin bed rock belt Bihar biotite block boreholes Brahmaputra carbonatite chert chlorite chromite clay conglomerate Dalma deposits depth district drilling east Engineering Geology erosion exposed EXTENDED ABSTRACTS faults field season flood plain folds foliation Formation geochemical GEOLOGICAL MAP geophysical geotechnical investigation gneiss gold grained granite gneiss grey Group of rocks GSI Rec INDEX indicated Irrigation Keonjhar LATERITE limestone lithounits located manganese Manipur Meghalaya metasedimentary mica schist mineral nala occur Orissa OVERVIEW phyllite Plate proposed Purulia quartz quartz veins quartzite Quaternary regional river samples sand sandstone scale schist sector sedimentary sequence shale Shear Zone Shillong Sikkim silt siltstone Singhbhum granite slope soil spillway sq km sq.km stage geotechnical investigation structures sulphides Supergroup surface SURVEY OF INDIA thick tion toposheet traverses trending tunnel ultramafic unconformably upto volcanics West Bengal