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 9
... respect of CaO . The distribution of MgO in hornblende and their parent rocks has been shown in Fig . 2. The schistose amphibolite shows quite an uniform distribution of MgO . The MgO decreases in the rock and increases in the ...
... respect of CaO . The distribution of MgO in hornblende and their parent rocks has been shown in Fig . 2. The schistose amphibolite shows quite an uniform distribution of MgO . The MgO decreases in the rock and increases in the ...
Page 10
... respect of FeO / Fe2O3 ratio . They show wider variation of iron ratios in the host rocks like the Older amphibolites , while higher FeO / Fe2O3 ratios in their hornblendes analogous to the younger amphibolite . The distribution of FeO ...
... respect of FeO / Fe2O3 ratio . They show wider variation of iron ratios in the host rocks like the Older amphibolites , while higher FeO / Fe2O3 ratios in their hornblendes analogous to the younger amphibolite . The distribution of FeO ...
Page 12
... respect to MgO in horn- blende but the magni- tude of increase is less compared to schistose amphibolite . Shows proportionately equal increase of both MgO and FeO . Increase of FeO with respect to MgO ana- logous to granitised ...
... respect to MgO in horn- blende but the magni- tude of increase is less compared to schistose amphibolite . Shows proportionately equal increase of both MgO and FeO . Increase of FeO with respect to MgO ana- logous to granitised ...
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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 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