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 19
... occurs as interstitial grains as well as inclusions in plagioclase ( Plate 3.2 ) . Plagioclase of bytownitic composition , mostly fresh occurs as subhedral grains showing lamellar twinning . Opaques in minor quantity occur as ...
... occurs as interstitial grains as well as inclusions in plagioclase ( Plate 3.2 ) . Plagioclase of bytownitic composition , mostly fresh occurs as subhedral grains showing lamellar twinning . Opaques in minor quantity occur as ...
Page 30
... occur within schistose host rock as thin sheet like bodies in the area between Retengliang and Meliang and also near Ahua . The rock occurs as discrete bodies as well as stringers along the foliation planes of schists . Of these ...
... occur within schistose host rock as thin sheet like bodies in the area between Retengliang and Meliang and also near Ahua . The rock occurs as discrete bodies as well as stringers along the foliation planes of schists . Of these ...
Page 62
... occur tectonically juxtaposed with members of the Ophiolite Suite represented by ultramafics , volcanics , plagiogranite etc. Further to the east , the suite of feebly metamorphosed oceanic pelagic sediments show a sharp contact with ...
... occur tectonically juxtaposed with members of the Ophiolite Suite represented by ultramafics , volcanics , plagiogranite etc. Further to the east , the suite of feebly metamorphosed oceanic pelagic sediments show a sharp contact with ...
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