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 74
TECTONOSTRATIGRAPHIC STUDIES OF THE VOLCANO - SEDIMENTARY
LITHOPACKAGE NORTHWEST OF BONAI GRANITE AND EXAMINATION OF
THE POSSIBLE SOUTHWESTWARD EXTENSION OF THE SINGHBHUM
SHEAR ...
TECTONOSTRATIGRAPHIC STUDIES OF THE VOLCANO - SEDIMENTARY
LITHOPACKAGE NORTHWEST OF BONAI GRANITE AND EXAMINATION OF
THE POSSIBLE SOUTHWESTWARD EXTENSION OF THE SINGHBHUM
SHEAR ...
Page 100
The younger granite forms positive topography and shows noticeable dissection
along closely - spaced fractures . They form NNW - SSE trending hill ranges and
a few isolated hillocks in the flat gneissic terrain . The basement gneiss to the ...
The younger granite forms positive topography and shows noticeable dissection
along closely - spaced fractures . They form NNW - SSE trending hill ranges and
a few isolated hillocks in the flat gneissic terrain . The basement gneiss to the ...
Page 212
The area comprises intensely folded and sheared metamorphites of Chaibasa
Stage ( Dunn & Dey , 1942 ) with syn - to late granite intruded by late - to post '
tectonic basic dykes . Lenses of amphibolite , metabasic dykes and quartz veins ...
The area comprises intensely folded and sheared metamorphites of Chaibasa
Stage ( Dunn & Dey , 1942 ) with syn - to late granite intruded by late - to post '
tectonic basic dykes . Lenses of amphibolite , metabasic dykes and quartz veins ...
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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