Records of the Geological Survey of India, Volume 85Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 88
The S. P. measurements also indicated the existence of certain marked regional
gradients related to topographic features . Nevertheless , the negative centres
are fairly sharp and probably indicate the existence of some ore - body at depth .
5.
The S. P. measurements also indicated the existence of certain marked regional
gradients related to topographic features . Nevertheless , the negative centres
are fairly sharp and probably indicate the existence of some ore - body at depth .
5.
Page 89
... in another part of the Singhbhum belt , where the Indian Copper Corporation
had proved the existence of some thin veins of sulphide ore by underground
exploration , to see if any definite indications could be found on the known ore
body .
... in another part of the Singhbhum belt , where the Indian Copper Corporation
had proved the existence of some thin veins of sulphide ore by underground
exploration , to see if any definite indications could be found on the known ore
body .
Page 399
... are basaltic in appearance and their mineralogical composition differs
considerably from that of the main body . A thin section of the apophyse arising
out of the main body and traversing the country rocks shows some interesting
features .
... are basaltic in appearance and their mineralogical composition differs
considerably from that of the main body . A thin section of the apophyse arising
out of the main body and traversing the country rocks shows some interesting
features .
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appears Assistant associated bands bank beds belt Bihar Bombay carried cent Circle clay coal collected consists contain continued covered deposits depth detailed district dolomite drilling dykes east eastern effect examined exposed extend feet field formations fossils further geological mapping Geological Survey Geologist gneisses Government grade granite headquarters hill important India indicate industry iron lignite limestone localities Lower Madhya Madras material Metal mica miles mineral mines noted November occur pits places portion Pradesh present probably production Project proposed quantity quartz quartzites range records reported Returned river road rocks samples sand sandstones schists sediments seen sericite shales sheet square strike suggested suitable surface Survey of India thick thin tion tons trap types Upper Valley varying veins village western zone