Records of the Geological Survey of IndiaThe Survey, 1986 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 62
... sequence only , the dark grey finely laminated shales predominate , whereas the flaggy sandstone of variable thickness occurshigher up in the sequence . Subsequently , Oldham ( 1883 ) , in course of his pioneering work in the Eastern ...
... sequence only , the dark grey finely laminated shales predominate , whereas the flaggy sandstone of variable thickness occurshigher up in the sequence . Subsequently , Oldham ( 1883 ) , in course of his pioneering work in the Eastern ...
Page 77
... sequence in the Siang dis- trict , Arunachal Pradesh . The diamictite units have interfingering relationship with the polymictic conglo- merate , grit , and quartz arenite belonging to the Sille- korong Formation and are underlain by a ...
... sequence in the Siang dis- trict , Arunachal Pradesh . The diamictite units have interfingering relationship with the polymictic conglo- merate , grit , and quartz arenite belonging to the Sille- korong Formation and are underlain by a ...
Page 81
... sequence ( Jangpangi , 1972 ) . In some sections , the Thungsing Quartzite conformably underlies ithe Diuri Boulder ... sequence and the Boleng Formation ( equivalent to Buxa ) . The unconformity between the Lower Gondwana sequence and ...
... sequence ( Jangpangi , 1972 ) . In some sections , the Thungsing Quartzite conformably underlies ithe Diuri Boulder ... sequence and the Boleng Formation ( equivalent to Buxa ) . The unconformity between the Lower Gondwana sequence and ...
Contents
PETROLOGY AND CHEMISTRY OF LEUCOCRATIC ROCKS FROM NAGA | 1 |
BLUE SCHISTS C TYPE ECLOGITES AND GARNET BEARING MAFIC | 7 |
THE NICKELIFEROUS MAGNETITE ASSOCIATED WITH THE NAGA | 15 |
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Abor Volcanics albite amphibolite antiform Arunachal Pradesh assemblage basin blue schists calcite Chattopadhyay cherty chlorite chromite coarse colour column Dalbuing Delai river deposits diamictite Disang Formation East Siang district eclogites Eocene epidote facies feldspar float boulders folding foliation foot hills fossils garnet Geol Geological Survey glaucophane gneiss Gondwana grey greyish Hills ophiolite belt hills/ridges Himalaya hornblende host rock Hunli intercalations Ithun valley limestone Lohit Lower mafic mafic segregations magnetite magnetite body Manipur margin matrix medium grained metamorphism mineral Miri Formation Miri Group Naga Hills Naga Hills ophiolite Nagaland nala NE-SW Nummulitic occur oligomictic conglomerate Olistostromal opaques ophiolite Permian phyllite plagioclase plagiogranite Plate quartz quartzite Radiolaria region samples sandstone schist schist band schistose sedimentaries sediments sequence serpentinites shale shows sillimanite siltstone Singh structure Surv Survey of India tectonic thick thin Tidding trending Ukhrul ultramafics Upper upto veins Vidyadharan white quartzite Yinkiong zone