Determination of gold by neutron activation analysis in some selected rocks and plants and its bearing on the genesis of auriferous quartz veins in Singhbhum district,Bihar, Eastern India |
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| Authors: | N R Das P S Chakraborty S N Bhattacharyya |
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| Institution: | (1) Nuclear Chemistry Division Saha Institute of Nuclear Physics, 92, Acharya Prafulla Chandra Road, 700009 Calcutta, India;(2) Department of Geological Sciences, Jadavpur University, Calcutta, India |
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| Abstract: | Present investigation deals with neutron activation analysis of gold in some varieties of geological samples related to auriferous
quartz veins. A few plant specimens of the area were also analyzed. The gold contents in the rock samples as determined by
the destructive way of analysis vary in the range 10−5 to 10−7%. In case of plant samples, however, the non-destructive method of analysis of the plant ashes was followed and the concentration
of gold was found to be of the order of 10−5%. In plants, besides gold, some associated elements, such as La, Ce, Sm, Lu, Zr, Hf, Se, W, As and Sb were also identified. |
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