Records of the Geological Survey of India, Volume 134, Parts 7-8Government of India, 1999 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 29
... gold values are yielded by the second phase of mineralisation . Electron microprobe analyses of gold grains from the Bhukia area revealed that the gold content ranges between 92.23 % and 98.47 % , while silver content varies from 3.65 ...
... gold values are yielded by the second phase of mineralisation . Electron microprobe analyses of gold grains from the Bhukia area revealed that the gold content ranges between 92.23 % and 98.47 % , while silver content varies from 3.65 ...
Page 34
... gold . During the present studies 10 samples were collected from this area , the analyses of which indicated 5 samples to be having gold less than 50 ppb , 4 samples between 50 and 100 ppb and one sample assayed 210 ppm gold . It is ...
... gold . During the present studies 10 samples were collected from this area , the analyses of which indicated 5 samples to be having gold less than 50 ppb , 4 samples between 50 and 100 ppb and one sample assayed 210 ppm gold . It is ...
Page 90
... gold in Mahakoshal Group of rocks in parts of Sonbhadra district were taken up . Exploration for gold in Gulaldih has indicated pres- ence of three zones of lean gold mineralisation . Their correlation between boreholes from surface to ...
... gold in Mahakoshal Group of rocks in parts of Sonbhadra district were taken up . Exploration for gold in Gulaldih has indicated pres- ence of three zones of lean gold mineralisation . Their correlation between boreholes from surface to ...
Contents
SPECIALIZED THEMATIC MAPPING | 1 |
MINERAL INVESTIGATIONS | 14 |
GUJARAT | 65 |
Copyright | |
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Alluvium bands basalt base metal basin belt block borehole carried clay comprises Construction stage covering database deformation degree sheet Delhi delineated deposits depth dipping dolomite drilling dunes exploration exposed fault field season folds Formation Garhwal geochemical Geoenvironmental appraisal geological mapping geophysical geotechnical investigation glacier gneiss gold granite Granitoid gravity grey Group of rocks Gujarat Haryana Himachal Pradesh indicated intersected km² Kukra Ladakh landslide limestone located logging magnetic marble mineral mineralised zone Neoproterozoic occur phyllite Project Proterozoic quartz quartz veins quartzite Rajasthan Rajsamand district Region river samples were collected sand sandstone scale schist sediments shear zones Singh Siwalik slope soil Sonbhadra district sq km stage geotechnical investigation strike length studies sulphide Supergroup surface surveys terraces thick traverse trending tunnel Udaipur district upto Uttar Pradesh Uttaranchal valley Vindhyan Yamuna एवं का कार्य किया गया की के क्षेत्र गये तथा में से है