Records of the Geological Survey of India, Volume 121, Parts 2-8The Survey, 1993 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 35
... Beldih from east to west . Fine grained apatite ores of around 12 million tonnes with an average grade of 10.77 % P2O , have been estimated in the above deposits which may be compared with some of the South and East African carbonatite ...
... Beldih from east to west . Fine grained apatite ores of around 12 million tonnes with an average grade of 10.77 % P2O , have been estimated in the above deposits which may be compared with some of the South and East African carbonatite ...
Page 37
... Beldih and Kutni sug- gest that the sulphide mineralisation occurs along the periphery of the carbonatite bodies within the Singhbhum Group of rocks . Mode of occurrence of apatite mineralisation The apatite bearing rocks are cherty ...
... Beldih and Kutni sug- gest that the sulphide mineralisation occurs along the periphery of the carbonatite bodies within the Singhbhum Group of rocks . Mode of occurrence of apatite mineralisation The apatite bearing rocks are cherty ...
Page 39
... Beldih Cu 25-195 ( 12 ) 10-10 ( 5 ) 10-20 ( 7 ) Ni 25-150 ( 12 ) 100-250 ( 5 ) 10-250 ( 7 ) Co 20-60 ( 12 ) 30-100 ( 5 ) 10-50 ( 7 ) Pb 20-50 ( 12 ) 10-20 ( 5 ) 10-10 ( 7 ) Zn 45-145 ( 12 ) 200 ( 5 ) 200 ( 7 ) ` Nb 200-600 ( 8 ) ...
... Beldih Cu 25-195 ( 12 ) 10-10 ( 5 ) 10-20 ( 7 ) Ni 25-150 ( 12 ) 100-250 ( 5 ) 10-250 ( 7 ) Co 20-60 ( 12 ) 30-100 ( 5 ) 10-50 ( 7 ) Pb 20-50 ( 12 ) 10-20 ( 5 ) 10-10 ( 7 ) Zn 45-145 ( 12 ) 200 ( 5 ) 200 ( 7 ) ` Nb 200-600 ( 8 ) ...
Contents
Structural Geometry of Ras Marble and its relationship with | 1 |
Geology of Deccan traps around TylsishyamKhambha | 9 |
Structural framework of folded Deccan basalts in Satpura 2 | 11 |
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Common terms and phrases
alkaline alluvial anomaly apatite Assam Baikunthapur basalt Beldih Bihar biotite block borehole burrows carbonaceous carbonatites Chalsa clay coal coastal colour Copper Belt correlation deposits district dykes flows fluvial folds Foothill Fault Zone fossils Ganga Geol Geological Survey geology and geomorphology geomorphology geophysical GHOSH gm British Museum gm Dr gm Prof gneisses grained granite Himalayas Holocene hornfels India INDIA Records Volume intrusion Jaldhaka Jharia Kutni Laterite lineament magma magnetic metamorphism meteorites migmatites mineral mineralisation mining olivine Orissa phyllites plagioclase Pleistocene quartz quartzite Quaternary geology Quaternary landforms Rajasthan Ras Marble Recent Flood Plain region Report rhyolite ridge river basin rocks sand sandstone scarp schist seams sediments shale Shear Zone Singhbhum slide slope Smithsonian Institution soil structure Surface Surface/formation Surv Survey of India synform tectonic Terrace thickness tion Tista Torsa trend Unconformity unpublished Uttar Pradesh vitrinite West Bengal