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 29
... followed further north , from Karatafla north of Chaglohagam they are seen to be overlain by hornblende gneiss upto the confluence of Grekachab along Kazab river course . This rock forms huge massive expo- sures along the river course ...
... followed further north , from Karatafla north of Chaglohagam they are seen to be overlain by hornblende gneiss upto the confluence of Grekachab along Kazab river course . This rock forms huge massive expo- sures along the river course ...
Page 51
... followed up- wards by ripple marked thinly bedued quartzite with phyllitic interclations passing upwards to mica schist and phyllite with intercalations of quartzite . The upper part is made up of medium grained , thin to thick bedded ...
... followed up- wards by ripple marked thinly bedued quartzite with phyllitic interclations passing upwards to mica schist and phyllite with intercalations of quartzite . The upper part is made up of medium grained , thin to thick bedded ...
Page 53
... followed by neritic benthos conditions with prolific foraminiferal life as evidenced by Num- mulitic limestone of Dalbuing . The floor of the Eocene basin of Arunachal is considered to have been constituted of volcanogenics as indicated ...
... followed by neritic benthos conditions with prolific foraminiferal life as evidenced by Num- mulitic limestone of Dalbuing . The floor of the Eocene basin of Arunachal is considered to have been constituted of volcanogenics as indicated ...
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