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
... ultramafics are considered to be a part of Manipur - Nagaland ophiolite belt . Detailed laboratory studies of drill core samples from selec- ted sectors of this nearly one kilometre long belt reveal that the magnetite layer lies on the ...
... ultramafics are considered to be a part of Manipur - Nagaland ophiolite belt . Detailed laboratory studies of drill core samples from selec- ted sectors of this nearly one kilometre long belt reveal that the magnetite layer lies on the ...
Page 16
... ultramafics and the nature of fixation of nickel and cobalt in magnetite . The Envelope of the Magnetite Body The ... ultramafic rocks . The magnetite body , in general , displays sharp contract with the underlying ultramafic rocks . For ...
... ultramafics and the nature of fixation of nickel and cobalt in magnetite . The Envelope of the Magnetite Body The ... ultramafic rocks . The magnetite body , in general , displays sharp contract with the underlying ultramafic rocks . For ...
Page 20
... ultramafics are free of magnetite and the volume % of total accessories shows only minor variation from 3.05 to 10.04 % . Chemistry The exploratory data ( both surface and borehole ) indicate that laterally the magnetite shows variable ...
... ultramafics are free of magnetite and the volume % of total accessories shows only minor variation from 3.05 to 10.04 % . Chemistry The exploratory data ( both surface and borehole ) indicate that laterally the magnetite shows variable ...
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