Records of the Geological Survey of India, Volume 112, Parts 7-8Government of India, 1981 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 118
... mineralisation . The study of the chemical composition of mineralised dunite shows a general impoverishment of SiO2 concentration with the progress in chromite mineralisation . The H2O and the alkali content of the mineralised dunite ...
... mineralisation . The study of the chemical composition of mineralised dunite shows a general impoverishment of SiO2 concentration with the progress in chromite mineralisation . The H2O and the alkali content of the mineralised dunite ...
Page 123
... mineralisation . The H2O ± content in the dunite rock shows a significant in- crease in the initial stages of mineralisation ( stage II ) , but thereafter , it shows a gradual decrease with successive increase in concentration of ...
... mineralisation . The H2O ± content in the dunite rock shows a significant in- crease in the initial stages of mineralisation ( stage II ) , but thereafter , it shows a gradual decrease with successive increase in concentration of ...
Page 98
... mineralisation , viz . , extent of mineralised zones , nature of mineralisation , its control , litho - association and host rock etc. It will be seen here that the Khetri and Alwar areas are predominated by copper mineralisation ...
... mineralisation , viz . , extent of mineralised zones , nature of mineralisation , its control , litho - association and host rock etc. It will be seen here that the Khetri and Alwar areas are predominated by copper mineralisation ...
Contents
RECORDS | 1 |
Geology Structure and Sulphide Mineralisation of Tosham District Bhiwani Haryana | 7 |
Geology and Geochemistry of Sulphide Mineralisation in Teejanwali Hill Mahendragarh | 17 |
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Ajabgarh albite altered anomaly Aravalli Banded Gneissic Complex Bari Sadri basin Bayana beds belt Berach Berach Granite Bhadesar biotite calcite chert chlorite colour conglomerate country rocks crystalline Delhi Supergroup Deoban deposits district dolomite east eastern epidote fault felspar fluvial folds foliation Formation fractures Geol Geological Survey glacial glacier gneiss grade grains granite grey groundmass Himalaya hornblende intrusive Jamuna Jogipura Jutogh kankar limestone magmatic magnetite Mandhali metamorphism metasediments metres mica schist microcline migmatites mineralisation minerals muscovite NE-SW Nithar NW-SE occur oligoclase orthoclase overlying pebbles pegmatite phase phenoclasts phyllite places plagioclase Plate-1 porphyry Pre-Aravalli pre-Delhi Purola quartz quartzite Rajasthan region rhyolite river samples sand Sandstone schist schistose sediments seen sequence sericite shale shows slate sphene stratigraphic Sub-basin Supergroup surface Surv Survey of India tectonic terraces texture thick thin Thrust Tosham trend tuff unconformity valley veins Vindhyan Volcanics Wazri zircon zone