Records of the Geological Survey of India, Volume 114Geological Survey of India, 1979 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 7
... recorded 2.5 ppm or more Au ( cf Fig . 4 ) . In these samples Ag , Mo and As show concentrations varying from 1-2 ppm , 2-10 ppm and 10 ppm , respectively . Cu and Zn values recorded in these samples are less than 100 ppm while Ni and ...
... recorded 2.5 ppm or more Au ( cf Fig . 4 ) . In these samples Ag , Mo and As show concentrations varying from 1-2 ppm , 2-10 ppm and 10 ppm , respectively . Cu and Zn values recorded in these samples are less than 100 ppm while Ni and ...
Page 15
... recorded , of which jacobsite is the most dominant . Plate I , Fig . 1 shows relicts of jocobsite surrounded by its supergene alteration product viz . pyrolusite and psilomelane / cryptomelane . Jacobsite samples were collected from ...
... recorded , of which jacobsite is the most dominant . Plate I , Fig . 1 shows relicts of jocobsite surrounded by its supergene alteration product viz . pyrolusite and psilomelane / cryptomelane . Jacobsite samples were collected from ...
Page 80
... recorded 80 ppm Mo and 800 ppm Cu . B values show a range from < 10 to 200 ppm excepting one sample ( recording 1000 ... recorded slightly higher concentrations having Li values ranging between 1 and 80 ppm with average value of 26.1 ppm ...
... recorded 80 ppm Mo and 800 ppm Cu . B values show a range from < 10 to 200 ppm excepting one sample ( recording 1000 ... recorded slightly higher concentrations having Li values ranging between 1 and 80 ppm with average value of 26.1 ppm ...
Contents
Integrated Geochemical Approach for Tracing Gold Mineralisation in Parts of | 1 |
On Jacobsites from Vizianagaram Manganese Belt of Eastern Ghats Andhra | 15 |
Fossil Hippopotamus from Quaternary Alluvial Deposits of Narmada Valley | 17 |
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Common terms and phrases
actinolite amphiboles amphibolites analysis Archaean assemblage BANKURA DISTRICT Barakar Barakar Formation basement bedrock samples Bihar biotite boreholes calcite catchment area Chakradharpur chemical Chittorgarh coarse colour composition country rocks crystals Dassarma deposit Dubrajpur Dubrajpur Formation Electron elements epidiorites fossils geochemical Geol Geological Survey Ghose gneiss Goilkera granite gneiss GSI Type Hippopotamus hornblende hornblende schist host rock jacobsite Kharswan Khatangi hill section lithological magnetite manganese Manuscript received massive amphibolites McCluskieganj meta-basic rocks metamorphic metres mineralisation minerals namadicus Narmada nepheline syenite Nimbahera Nimbahera limestone occur palaeindicus phyllitic plagioclase Plate present area quartz Quartzite Quaternary Rajmahal Hills Records Vol river Rupatganj Sah and Shah Sawa schist schistose schistose amphibolite sediments shale Singhbhum Singhbhum Shear Zone specimens stratigraphic stream sediment-concentrate samples sulphide Surv Survey of India Table-II Talapatra texture values vein-quartz veins Vindhyan West Bengal X-Ray Λ Λ