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 70
... upto a vertical depth of 60-70 m within the lateritic profile . In the current Phase IIB exploration programme , five more Public / Private Sector leaseholds have been taken up for exploration . Out of which , work in Kadadih ...
... upto a vertical depth of 60-70 m within the lateritic profile . In the current Phase IIB exploration programme , five more Public / Private Sector leaseholds have been taken up for exploration . Out of which , work in Kadadih ...
Page 84
... upto a depth of 59.65 m upto the end of field season 1991- 92. On further drilling , the same borehole inter- sected five narrow zones of serpentinite occurring within a succession of gabbro - anorthosite suite of rocks . Hornblende ...
... upto a depth of 59.65 m upto the end of field season 1991- 92. On further drilling , the same borehole inter- sected five narrow zones of serpentinite occurring within a succession of gabbro - anorthosite suite of rocks . Hornblende ...
Page 33
... upto a length of upto 5 km with a max- imum width of 1.25 kms , and show pinching and swelling . Isolated bodies , few metres in size , also occur within the oceanic pelagic sediments . The ophiolite suite is represented by harzburgite ...
... upto a length of upto 5 km with a max- imum width of 1.25 kms , and show pinching and swelling . Isolated bodies , few metres in size , also occur within the oceanic pelagic sediments . The ophiolite suite is represented by harzburgite ...
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