Records of the Geological Survey of India, Volume 114, Part 21867- includes the "Annual report of the Geological survey of India". |
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Page 6
generally consists of euhedral to subhedral chromite , Mn- areas where the quartz veins are abundant . Analysis of oxides , tourmaline , pyroxene , amphibole , etc. Occasionally vein - quartz samples have shown Au values from trace ...
generally consists of euhedral to subhedral chromite , Mn- areas where the quartz veins are abundant . Analysis of oxides , tourmaline , pyroxene , amphibole , etc. Occasionally vein - quartz samples have shown Au values from trace ...
Page 8
However , some amount of gold may be present here in asso1000 ppm ( with three 1000 ppm values ) and 20 to ciation with the vein - quartz at depth . 500 ppm , respectively . Rest of the elements are below their respective detection ...
However , some amount of gold may be present here in asso1000 ppm ( with three 1000 ppm values ) and 20 to ciation with the vein - quartz at depth . 500 ppm , respectively . Rest of the elements are below their respective detection ...
Page 10
TABLE - II Geochemical Results of Vein - Quartz and Associated Bed Rock Samples of Jatesereng Block ( in ppm ) SI . No. Sample No. Cu Pb Ni Со Cr Zr Ba Au Type of sample 1 169/79 50 20 30 20 10 < 5 10 40 nd Smoky vein - quartz 2 170/79 ...
TABLE - II Geochemical Results of Vein - Quartz and Associated Bed Rock Samples of Jatesereng Block ( in ppm ) SI . No. Sample No. Cu Pb Ni Со Cr Zr Ba Au Type of sample 1 169/79 50 20 30 20 10 < 5 10 40 nd Smoky vein - quartz 2 170/79 ...
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Contents
Integrated Geochemical Approach for Tracing Gold Mineralisation in Parts | 1 |
On Jacobsites from Vizianagaram Manganese Belt of Eastern Ghats Andhra | 15 |
Fossil Hippopotamus from Quaternary Alluvial Deposits of Narmada Valley | 19 |
Copyright | |
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Common terms and phrases
amount amphiboles analysis assemblage associated average Bankura basement basic bedrock Bihar Biotite chemical collected colour composition contain crystals deposit depth detailed distribution district east Eastern Electron elements field Formation geochemical Geol Geological Survey gneiss gold grains granite green higher hill hornblende schist increase indicated jacobsite Kharswan lower manganese massive amphibolites McCluskieganj meta-basic rocks metamorphic metres minerals namadicus Narmada nepheline observed occur plagioclase Pleistocene present present area quartz Quartzite range ratios recorded Region representative respectively river rocks samples schistose amphibolite sediments sericite shales shear zone similar Singhbhum Singhbhum Shear specimens stratigraphic stream strip structural surface Survey of India syenites temperature texture tion trend types unit Upper valley values variation varies various vein-quartz veins West West Bengal X-Ray
Bibliographic information
| Title | Records of the Geological Survey of India, Volume 114, Part 2 Memoirs of the Geological Survey of India |
| Author | Geological Survey of India |
| Publisher | The Survey, 1984 |
| Original from | the University of California |
| Digitized | 27 Sep 2016 |
| Export Citation | BiBTeX EndNote RefMan |