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 16
... folds , intersection of two planar surfaces , parallel orientation of minerals and mullions . Out these , the small folds are the most important and are present throughout the area , Puckers have developed in amphibolite gneiss and talc ...
... folds , intersection of two planar surfaces , parallel orientation of minerals and mullions . Out these , the small folds are the most important and are present throughout the area , Puckers have developed in amphibolite gneiss and talc ...
Page 17
... folds have been reoriented around steep ( domain V ) to moderate ( domain X ) northerly plunging F , folds . In domain VIII , limbs of a westerly plunging isoclinal Fi fold have been reoriented around doubly plunging F , folds ...
... folds have been reoriented around steep ( domain V ) to moderate ( domain X ) northerly plunging F , folds . In domain VIII , limbs of a westerly plunging isoclinal Fi fold have been reoriented around doubly plunging F , folds ...
Page 86
... Fold A fold study in the area shows at least , three phase of folding . ( i ) The first phase F1 is represented by the isoclinal folds which are overturned towards NW and have southwesterly plunges . The areas of the folds trend in NE ...
... Fold A fold study in the area shows at least , three phase of folding . ( i ) The first phase F1 is represented by the isoclinal folds which are overturned towards NW and have southwesterly plunges . The areas of the folds trend in NE ...
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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