Records of the Geological Survey of India
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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PBTROLOGY AND CHEMISTRY OF LEUCOCRATIC ROCKS FROM NAGA
BLUE SCHISTS C TYPE ECLOGITES AND GARNET BEARING MAFIC
THE NICKELIPEROUS MAGNETITE ASSOCIATED WITH THE NAGA
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Arunachal Pradesh assemblage associated bands basin bearing bedded blue body boulders chromite colour column concentration conglomerate contain course cross Dalbuing Delai deposits diamictite Disang east eastern Eocene et al exposed exposures facies float folding followed foot Formation fossils garnet Geol Geological Survey glaucophane gneiss grade grained grey Group hills/ridges Himalaya hornblende indicate limestone Lohit Lower mafic magnetite major Manipur mapping margin material matrix medium metamorphism Middle mineral minor Miri Formation Naga Hills ophiolite Nagaland nature Nummulitic occur oligomictic ophiolite belt Permian phyllite places plagioclase Plate present quartz quartzite region Report represented river rock samples sandstone schist schistose sedimentaries sediments seen sequence sericite shale shows Siang district sillimanite slopes strike structure studies suggest Survey of India Table thick thin thrust tion trending Ukhrul ultramafics units Upper valley veins Volcanics zone