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 15
... body occurring to the east of Phokphur village in Tuensang district , Nagaland , India is underlain by ultra- mafics of varying composition and overlain by sedimentaries of pro- bable Mio - Pliocene age . The magnetite body and the ...
... body occurring to the east of Phokphur village in Tuensang district , Nagaland , India is underlain by ultra- mafics of varying composition and overlain by sedimentaries of pro- bable Mio - Pliocene age . The magnetite body and the ...
Page 16
... Body The magnetite body is overlain unconformably by the sedimen- taries and as such deduced to have formed subsequent to the emplace- ment of the magnetite - ultramafic rocks . The magnetite body , in general , displays sharp contract ...
... Body The magnetite body is overlain unconformably by the sedimen- taries and as such deduced to have formed subsequent to the emplace- ment of the magnetite - ultramafic rocks . The magnetite body , in general , displays sharp contract ...
Page 19
... Body The magnetite ore occurs as a sheet like body at the base of sedimentaries and trends in general NNE - SSW to N - S with 30-40 ° westerly or west - north - westerly dip . The body has been traced for a strike length of 1 km so far ...
... Body The magnetite ore occurs as a sheet like body at the base of sedimentaries and trends in general NNE - SSW to N - S with 30-40 ° westerly or west - north - westerly dip . The body has been traced for a strike length of 1 km so far ...
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