Records of the Geological Survey of India, Volume 128, Part 3Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 97
Diamondiferous diatremes owing to their ex - tremely small dimensions cannot
be identified on satellite imagery on scale 1 : 250 , 000 . However , inter -
sections of large lineaments and fractures are possible locale of diamondiferous
pipes .
Diamondiferous diatremes owing to their ex - tremely small dimensions cannot
be identified on satellite imagery on scale 1 : 250 , 000 . However , inter -
sections of large lineaments and fractures are possible locale of diamondiferous
pipes .
Page 100
Shearing along this zone is marked by development of close - spaced parallel
lines and a characterestic darker tone . A number of parallel to sub - parallel N - S
lineaments are found within the cover sediments ( Khariar group ) cutting across
...
Shearing along this zone is marked by development of close - spaced parallel
lines and a characterestic darker tone . A number of parallel to sub - parallel N - S
lineaments are found within the cover sediments ( Khariar group ) cutting across
...
Page 103
To the east of the body two closed placed zones of lineaments ( shear zones ? )
show Y - forking , one trends towards northnortheast and other to south - south -
eastward . The southern one is more prominent and can be traced along the ...
To the east of the body two closed placed zones of lineaments ( shear zones ? )
show Y - forking , one trends towards northnortheast and other to south - south -
eastward . The southern one is more prominent and can be traced along the ...
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Contents
Coastal studies and Neotectonics | 5 |
Chhotonagpur Gneiss East | 12 |
Investigation for copper and associated mineralisation | 18 |
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Common terms and phrases
Andaman anomaly apatite associated bands base basemetal basic basin belt Bihar block body boreholes carried clay Code collected complex conglomerate construction continued covered deposits depth detailed Director district Division drilling east Eastern Engineering exploration exposed extension faults FIELD SEASON fold Formation GEOLOGICAL MAP geophysical geotechnical gneiss gold grade grained granite granite gneiss gravity Group INDEX indicate intersected intrusive Island land length lineaments located magnetic major mineralisation minerals nature occur Orissa OVERVIEW phyllite places Plate potential present Project proposed quartz quartz veins quartzite recorded regional REPORTS represented river road rocks samples sand scale schist sector sediments sequence sericite shear zone Singhbhum slope soil sq km stage strike structural suggested surface SURVEY SURVEY OF INDIA taken thick tion trending types values volcanics West Bengal western