Records of the Geological Survey of India, Volume 118, Parts 3-8government of India., 1983 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 32
... range of PGE concen- tration in some of the primary rock types can be broadly deduced as shown in the table below . Rock types Pyroxenite Parts per billion Pt Pd 8 6 Dunite - Serpentinite 2 to 12 < 1 to 4 Chromite ore Chromitite 2 to 50 ...
... range of PGE concen- tration in some of the primary rock types can be broadly deduced as shown in the table below . Rock types Pyroxenite Parts per billion Pt Pd 8 6 Dunite - Serpentinite 2 to 12 < 1 to 4 Chromite ore Chromitite 2 to 50 ...
Page 36
Geological Survey of India. TABLE IV Range of PGE values in Chromite horizons . Stratigraphic level Ore zone Number of samples analysed Range of PGE values ( Parts per billion ) Pt Pd Rh Ir Ru Remarks IIB Lower Brown ore zone 5 2-160 < 2 ...
Geological Survey of India. TABLE IV Range of PGE values in Chromite horizons . Stratigraphic level Ore zone Number of samples analysed Range of PGE values ( Parts per billion ) Pt Pd Rh Ir Ru Remarks IIB Lower Brown ore zone 5 2-160 < 2 ...
Page 103
... range viz . the Nangasai , the Sona , the Totko , the Jamuna , the Jam , the Kalandari etc. , all tributaries of the ... ranges . They form cuestas with deflection slopes more than 65 ° , creep slopes varying from 30 ° to 65 ° and scree ...
... range viz . the Nangasai , the Sona , the Totko , the Jamuna , the Jam , the Kalandari etc. , all tributaries of the ... ranges . They form cuestas with deflection slopes more than 65 ° , creep slopes varying from 30 ° to 65 ° and scree ...
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aeolian aerial alluvial amphibolite bands basin belt Bihar biotite channel Charnockite chromite chromitite clay coal field concentration Denudational hill deposits developed drainage Duasini environmental erosion FAAS flood plain fluvial folds foliation forest formation gabbro Ganjam garnet Geol Geological Survey geomorphic geomorphology gneiss gold grains granite gneiss granitised amphibolite groundwater hornblende iron khondalite Kumari land landform landuse laterite Limonite lineament Manbazar Surface massive amphibolite ment mineralised minerals mining nala ND ND Noa Dihing Opx cumulate Orissa oxidation parent rocks pediplain PG elements plagioclase platinum group ppm ppm ppm Purulia district Quarry quartz quartzite Quaternary Records Volume Rohtak district Rushikulya river Sambhar Salt Lake samples sandstone schistose schistose amphibolite sediments shear zone slopes soil sq km sqkm structures Survey of India Taptapani terraces Tetla thickness tion Tirap district trend ultramafic valley varies West Bengal