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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Results 1-3 of 28
Page 90
Very high Sr values in the samples may be due to abundance of apatite and
calcite , although presence of strontianite also cannot be ruled out . It is
suggested that for searching economic concentra . tion of REE , a systematic
approach for ...
Very high Sr values in the samples may be due to abundance of apatite and
calcite , although presence of strontianite also cannot be ruled out . It is
suggested that for searching economic concentra . tion of REE , a systematic
approach for ...
Page 141
The values of zinc ranges from 10 ppm to 1800 ppm . The higher values of Zn (
Viz ; 1100 ppm , 1800 ppm , 1250 ppm , 925 ppm ) was shown by silicified
metabasic rocks and limonitic quartzite . The values of Ni ranges from 15 ppm to
2000 ...
The values of zinc ranges from 10 ppm to 1800 ppm . The higher values of Zn (
Viz ; 1100 ppm , 1800 ppm , 1250 ppm , 925 ppm ) was shown by silicified
metabasic rocks and limonitic quartzite . The values of Ni ranges from 15 ppm to
2000 ...
Page 210
The values in respect of Cu , Pb & Zn are poor in these samples but P , 0 , values
generally are on the higher side . Further results are awaited . The geophysical
surveys employing I . P . , SP , resistivity and magnetic mathods were undertaken
...
The values in respect of Cu , Pb & Zn are poor in these samples but P , 0 , values
generally are on the higher side . Further results are awaited . The geophysical
surveys employing I . P . , SP , resistivity and magnetic mathods were undertaken
...
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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