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 37
... deposits . A study was taken up with the aim of studying the con- trols of the dispersal and concentration of the float boulders of sillimanite and corrundum and also to locate potential silli- manite deposits which would help in ...
... deposits . A study was taken up with the aim of studying the con- trols of the dispersal and concentration of the float boulders of sillimanite and corrundum and also to locate potential silli- manite deposits which would help in ...
Page 61
... deposits has recently heen recorded within the turbidites of the Disang Formation ( Fig . 16 ) . The NE - SW trending belt with exotics of variable dimensions occurs along the axial trace of a syncline that extends from Payoi - Hundung ...
... deposits has recently heen recorded within the turbidites of the Disang Formation ( Fig . 16 ) . The NE - SW trending belt with exotics of variable dimensions occurs along the axial trace of a syncline that extends from Payoi - Hundung ...
Page 64
... deposits are confined to this unit . A perusal of the palaeontological data presented ( Table - I ) would show that the assemblage recorded from the different exotic blocks are of different affinities viz , Maestrichtian , Palaeocene ...
... deposits are confined to this unit . A perusal of the palaeontological data presented ( Table - I ) would show that the assemblage recorded from the different exotic blocks are of different affinities viz , Maestrichtian , Palaeocene ...
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