Records of the Geological Survey of India, Volume 107The Survey, 1976 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
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Page 235
... varies from 0.30 m to 11.20 m with 0.0003 to 0.0023 % Mo. In Boreholes , N - 1 , N - 2 & N - 3 drilled in the peak of I.P. anomaly zones at Neikkarapa the thickness of mineralisation varies from 025 to 5.60 m with 0.0002 to 0.0010 % Mo ...
... varies from 0.30 m to 11.20 m with 0.0003 to 0.0023 % Mo. In Boreholes , N - 1 , N - 2 & N - 3 drilled in the peak of I.P. anomaly zones at Neikkarapa the thickness of mineralisation varies from 025 to 5.60 m with 0.0002 to 0.0010 % Mo ...
Page 323
... varies from 0.50 m to as much as 7.50 m . Based on the available data , a probable reserve of 2.70 m tonnes of bauxite of all grades ( as per I.S.I. specifications ) is indicated . Besides , about 0.50 million tonnes of low grade ore ...
... varies from 0.50 m to as much as 7.50 m . Based on the available data , a probable reserve of 2.70 m tonnes of bauxite of all grades ( as per I.S.I. specifications ) is indicated . Besides , about 0.50 million tonnes of low grade ore ...
Page 328
... varies from 48.32 % to 68.70 % , the average being 64.02 % . Partial analyses of 20 samples indicate that the SiO2 content varies from 0.35 % to 2.50 % , the Al2O3 content from 0.13 % to 409 % and the phosphorus from 0.01 % to 0.02 ...
... varies from 48.32 % to 68.70 % , the average being 64.02 % . Partial analyses of 20 samples indicate that the SiO2 content varies from 0.35 % to 2.50 % , the Al2O3 content from 0.13 % to 409 % and the phosphorus from 0.01 % to 0.02 ...
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amphibolite Andhra Pradesh Archaean bands basalt basin bauxite beds Bihar biotite block boreholes carried chalcopyrite chlorite clay Coalfield conglomerate copper cores Deccan Trap Delhi deposits depth Director district Division dolerite drilling epidote exposed felspar folds formation fossil galena geochemical Geol geological mapping Geological Survey Geologists Jr geophysical Ghosh Glossopteris Glossopteris flora gneiss gneissic complex Gondwana grade grained granite gneiss greenish greenstone belts grey Group hill holes horizon indicated investigation Kashmir Kurnool laterite limestone Lower mapped an area metamorphism mineralisation minerals occur Panjal trap pegmatite phyllite pits Project pyrite quartz quartz veins quartzite Quaternary Rajasthan Raniganj regional river rock types samples sand sandstone Sarvashri scale schist schistose seams sediments shale shear zone Shri Singh Siwalik spillway sq km Srivastava stratigraphic studies sulphide Survey of India thickness traverse trending tunnel unconformity Upper upto valley varies Vindhyan