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 55
... upper beds marked with grey steaks enclose abundant larger marine inverte- brate shells of the Upper Permian affinity . The fossiliferous shale unit is succeeded by silvery grey to purple , highly shat- tered and plicated phyllitic ...
... upper beds marked with grey steaks enclose abundant larger marine inverte- brate shells of the Upper Permian affinity . The fossiliferous shale unit is succeeded by silvery grey to purple , highly shat- tered and plicated phyllitic ...
Page 73
... Upper Cretaceous Age : Upper Cretaceous FOSSIL ASSEMBLAGE FROM THE UPPER DISANG FORMATION HOSTING OLISTOLITHS IN. 19 . West of Samsai ( VJ / 888 ) 20 . West of Gamnom ( VJ / 102 ) Cherty limestone lens 4mx3m within shale and sandstone ...
... Upper Cretaceous Age : Upper Cretaceous FOSSIL ASSEMBLAGE FROM THE UPPER DISANG FORMATION HOSTING OLISTOLITHS IN. 19 . West of Samsai ( VJ / 888 ) 20 . West of Gamnom ( VJ / 102 ) Cherty limestone lens 4mx3m within shale and sandstone ...
Page 80
... upper member comprises shale , car- bonaceous slate and siliceous limestone . The Abor Volcanics are dominantly ... Upper Carboniferous ( Singh , 1973 ) , Upper Carboniferous to Lower Permian ( Jain and Das , 1973 ) and basal Permian ...
... upper member comprises shale , car- bonaceous slate and siliceous limestone . The Abor Volcanics are dominantly ... Upper Carboniferous ( Singh , 1973 ) , Upper Carboniferous to Lower Permian ( Jain and Das , 1973 ) and basal Permian ...
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