Records of the Geological Survey of India, Volume 127, Parts 1-2Government of India, 1992 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Results 1-3 of 90
Page 22
... indicated Au content of < 0.1 ppm , except only three samples , which indicated 0.2 , 0.4 and 0.6 ppm gold . Three samples gave Pb values of 0.37 % , 1.49 % and 2.96 % and Ag values of 67 ppm , 175 ppm and 390 ppm respectively . Thin ...
... indicated Au content of < 0.1 ppm , except only three samples , which indicated 0.2 , 0.4 and 0.6 ppm gold . Three samples gave Pb values of 0.37 % , 1.49 % and 2.96 % and Ag values of 67 ppm , 175 ppm and 390 ppm respectively . Thin ...
Page 47
... indicating extraction of gold by our ancients in this area . In the first zone , the analytical results indicated 0.1 to 0.5 g / t and only one sample indicated a value of 2.75 g / t . by AAS method . The second zone indicated Au values ...
... indicating extraction of gold by our ancients in this area . In the first zone , the analytical results indicated 0.1 to 0.5 g / t and only one sample indicated a value of 2.75 g / t . by AAS method . The second zone indicated Au values ...
Page 49
... indicated Au values ranging from 0.1 to 0.28ppm , Mo from 100 to 700 ppm , Bi from 150 to 300 ppm , Cu from 1000 to 1.62 % and Sn from 30ppm . The heavy mineral concentrate ( -80 fractions of stream sediment ) indicated significant ...
... indicated Au values ranging from 0.1 to 0.28ppm , Mo from 100 to 700 ppm , Bi from 150 to 300 ppm , Cu from 1000 to 1.62 % and Sn from 30ppm . The heavy mineral concentrate ( -80 fractions of stream sediment ) indicated significant ...
Contents
COORDINATION TECHNICAL DIVISION | |
FOREWORD | |
PALAEONTOLOGY DIVISION I 10 | |
Copyright | |
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amphibolite analysis Andhra Pradesh anomalies associated Asstt bands Barakar Barakar Formation base metal basin Bihar block boreholes carried Chakraborty chemical clay coal seams Coalfield comprising core covered deposits depth Director Geologist district DIVISION Director drilling eastern ENGINEERING GEOLOGY exploration for coal field season fold GEODATA geological mapping Geologist Jr Geophysicist geotechnical investigation Ghosh gneiss gold Gondwana grade grained granitoids gravity Group Headquarters heavy mineral India indicated intersected Kumar limestone located Madhya Pradesh magnetic Maharashtra mineralisation Orissa PETROLOGY phyllite Precambrian programme Project quartz veins quartzite Quaternary Rajasthan Raniganj Regional exploration REMOTE SENSING river S.T.A. Geol Sakoli samples were collected sand sandstone scale schist schist belt Seabed survey seam zones sector sediments sequence shale shear zone Shri A.K. Singh Singhbhum sq km sq.km stage geotechnical investigation studies sulphide surface Tamil Nadu tectonic thematic mapping thickness Toposheet traverse trending undertaken upto Valley volcanic