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 15
... sedimentaries of pro- bable Mio - Pliocene age . The magnetite body and the associated ultramafics are considered to be a part of Manipur - Nagaland ophiolite belt . Detailed laboratory studies of drill core samples from selec- ted ...
... sedimentaries of pro- bable Mio - Pliocene age . The magnetite body and the associated ultramafics are considered to be a part of Manipur - Nagaland ophiolite belt . Detailed laboratory studies of drill core samples from selec- ted ...
Page 54
... sedimentation . No rocks representative of this inter- val of time were known till recently either in the foot hills ... sedimentaries near Gaur , north of Kekhabali in the West Siang district , no authenticated account of the presence ...
... sedimentation . No rocks representative of this inter- val of time were known till recently either in the foot hills ... sedimentaries near Gaur , north of Kekhabali in the West Siang district , no authenticated account of the presence ...
Page 55
... sedimentaries with dark grey plant - bearing slaty shale unit are followed up by pale brown ferruginous shales whose upper beds marked with grey steaks enclose abundant larger marine inverte- brate shells of the Upper Permian affinity ...
... sedimentaries with dark grey plant - bearing slaty shale unit are followed up by pale brown ferruginous shales whose upper beds marked with grey steaks enclose abundant larger marine inverte- brate shells of the Upper Permian affinity ...
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