Records of the Geological Survey of India, Volume 118, Parts 3-8government of India., 1991 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 29
... horizons have indicated the presence of PGE less than 10 ppb to 500 ppb . Major platinum concentration in the world have been noted in a sulphidic environ- ment and a few in oxidic environment . Although specks of pyrite , chalcopyrite ...
... horizons have indicated the presence of PGE less than 10 ppb to 500 ppb . Major platinum concentration in the world have been noted in a sulphidic environ- ment and a few in oxidic environment . Although specks of pyrite , chalcopyrite ...
Page 32
... horizons which might need detailed sampling to find out their economic viability . SAMPLING OF SELECTED HORIZONS of Major platinum deposits of the world are located in the mafic and ultramafic variants stratified complexes in sulphidic ...
... horizons which might need detailed sampling to find out their economic viability . SAMPLING OF SELECTED HORIZONS of Major platinum deposits of the world are located in the mafic and ultramafic variants stratified complexes in sulphidic ...
Page 38
... horizons , the tellurides , arsenides , antimonides and a few sulphides predominate in the banded and upper zones . Thus it can be con- cluded that the rich platinum - group metal values in the chromitite horizons can be attributed ...
... horizons , the tellurides , arsenides , antimonides and a few sulphides predominate in the banded and upper zones . Thus it can be con- cluded that the rich platinum - group metal values in the chromitite horizons can be attributed ...
Contents
Study of TaptapaniChandragiri Shear Zone in Eastern Ghats | 1 |
Chemistry of Hornblendes of the amphibolites from HesatuBelbathan | 7 |
Deformation history of the Precambrian rocks around Tigda | 13 |
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Common terms and phrases
aeolian aerial alluvial amphibolite bands basin belt Bihar biotite channel Charnockite chromite chromitite clay coal field concentration denudational hills deposits developed drainage Duasini environmental erosion FAAS flood plain fluvial folds formation gabbro Ganjam Geol Geological Survey geomorphic GEOMORPHOLOGY gneiss gold grains granite gneiss granitised amphibolite groundwater hornblende INDIA Records Volume iron khondalite Kumari land landform landuse laterite Limonite lineament Manbazar Surface massive amphibolite material ment mineralised minerals mining nala ND ND Noa Dihing Opx cumulate Orissa oxidation parent rocks pediplain plagioclase platinum group ppm ppm ppm Purulia district Quarry quartz quartzite Quaternary Rohtak district Rushikulya river Sambhar Salt Lake samples sandstone schistose schistose amphibolite sediments shear zone slopes soil sq km sqkm structures SUKINDA ULTRAMAFIC Survey of India Taptapani terraces terrain Tetla thickness tion Tirap district trend ultramafic valley varies West Bengal