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 5
... anomaly UPT - 3 +1+ Plate - I BRU / 16 + % BRI BRU / 17 + BRU / 25 INDEX MICACEOUS QUARTZ SILLIMANITE SCHIST QUARTZ ... ANOMALY NEGATIVE MAGNETIC ANOMALY SP S.P. ANOMALY G.S.I. , Rec . 127 , Pt . 4 —C . Bhattacharya , P. N. Chakravarty ...
... anomaly UPT - 3 +1+ Plate - I BRU / 16 + % BRI BRU / 17 + BRU / 25 INDEX MICACEOUS QUARTZ SILLIMANITE SCHIST QUARTZ ... ANOMALY NEGATIVE MAGNETIC ANOMALY SP S.P. ANOMALY G.S.I. , Rec . 127 , Pt . 4 —C . Bhattacharya , P. N. Chakravarty ...
Page 101
... anomaly corroborating with I.P chargeability anomaly probably demarcates the contact between micaceous quartz - sillimanite schist and quartz - biotite gneiss . Semi - regional magnetic surveys carried out in Samchampi Alkaline Complex ...
... anomaly corroborating with I.P chargeability anomaly probably demarcates the contact between micaceous quartz - sillimanite schist and quartz - biotite gneiss . Semi - regional magnetic surveys carried out in Samchampi Alkaline Complex ...
Page 102
... anomaly to further southwest of borehole UPT - 29 , with an amplitude of 6 to 7mv / v against the background of 2 to 4mv / v . The low amplitude of the anomaly is probably due to lack of dis- seminated mineralisation at shallow depth ...
... anomaly to further southwest of borehole UPT - 29 , with an amplitude of 6 to 7mv / v against the background of 2 to 4mv / v . The low amplitude of the anomaly is probably due to lack of dis- seminated mineralisation at shallow depth ...
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