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 10
... facies of O ' Hara ( Quoted by Willey , 1979 ) . The garnet - pyroxene hornblende rocks exhibit the following mineralogy : Hornblende ( 40 % ) , garnet ( 20 % ) , Epidote ( 10 % ) , Pyroxene apatite , chlorite , spinel and opaque iron ...
... facies of O ' Hara ( Quoted by Willey , 1979 ) . The garnet - pyroxene hornblende rocks exhibit the following mineralogy : Hornblende ( 40 % ) , garnet ( 20 % ) , Epidote ( 10 % ) , Pyroxene apatite , chlorite , spinel and opaque iron ...
Page 13
... Facies Facies || Lowsonite Glaucoph Facies Glaucophanific greenschist facies 1 Granulite Facies laumontitel Greenschist Amphibolite 500 600 700 800 ос Anatexis Division of metamorphic grades and facies ( Winkler , 1973 ) . Stippled area ...
... Facies Facies || Lowsonite Glaucoph Facies Glaucophanific greenschist facies 1 Granulite Facies laumontitel Greenschist Amphibolite 500 600 700 800 ос Anatexis Division of metamorphic grades and facies ( Winkler , 1973 ) . Stippled area ...
Page 34
... facies . Mineral assem- blages of upto hornblende - plagioclase - epidote and almandine- amphibolite facies are seen in the area . Metamorphic iso- grads follow the structural lines . Metamorphic zones on two limbs of a regional ...
... facies . Mineral assem- blages of upto hornblende - plagioclase - epidote and almandine- amphibolite facies are seen in the area . Metamorphic iso- grads follow the structural lines . Metamorphic zones on two limbs of a regional ...
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