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 159
MS / BH - 10 , located 200 m west of MS / BH - 2 has intersected laterite , brown &
yellow clay and variegated clay with minor chert bands & patches of wady clay
besides medium grade powdery Mn ore between 58 . 70 m & 62 . 00 m depth ( 3 .
MS / BH - 10 , located 200 m west of MS / BH - 2 has intersected laterite , brown &
yellow clay and variegated clay with minor chert bands & patches of wady clay
besides medium grade powdery Mn ore between 58 . 70 m & 62 . 00 m depth ( 3 .
Page 212
In the light of earlier borehole data , further drilling have been planned to
intersect the causative zones corresponding to individual geochemical anomaly
axes , without maintaining . Only on finding of positive intersection further
boreholes will ...
In the light of earlier borehole data , further drilling have been planned to
intersect the causative zones corresponding to individual geochemical anomaly
axes , without maintaining . Only on finding of positive intersection further
boreholes will ...
Page 217
5 % VE and Pb + Zn 3 to 5 % VE ) , hosted in tremolite - actionlite schist , was
intersected in B . H . No . ... ABH - 1 was drilled to intersect the ore zone at 40 m
vertical depth from the surface but no major mineralisation was intersected ( Plate
81 ) ...
5 % VE and Pb + Zn 3 to 5 % VE ) , hosted in tremolite - actionlite schist , was
intersected in B . H . No . ... ABH - 1 was drilled to intersect the ore zone at 40 m
vertical depth from the surface but no major mineralisation was intersected ( Plate
81 ) ...
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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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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