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 32
... folded along an axis trending around E - W and dipping towards north . The major body of the diorite intrusive was concordantly emplaced along the axial plane of the anticlinorium . A later second folding movement has forced the eastern ...
... folded along an axis trending around E - W and dipping towards north . The major body of the diorite intrusive was concordantly emplaced along the axial plane of the anticlinorium . A later second folding movement has forced the eastern ...
Page 39
... folds at places only . The manifestations of the second ( F2 ) phase of folding is much less intense as well as spatially restricted . The third and last phase of folding ( F3 , Northwest of Wamsophi ) is also observed in the ...
... folds at places only . The manifestations of the second ( F2 ) phase of folding is much less intense as well as spatially restricted . The third and last phase of folding ( F3 , Northwest of Wamsophi ) is also observed in the ...
Page 47
... folding of the sequence and consequent incision and disappearance of the members by the tectonic movements on the both sides of the formation . The Miri Forma- tion has been folded into regional asymmetrical dextral , re- clined fold of ...
... folding of the sequence and consequent incision and disappearance of the members by the tectonic movements on the both sides of the formation . The Miri Forma- tion has been folded into regional asymmetrical dextral , re- clined fold of ...
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