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 25
... Lohit district of Aru- nachal Pradesh , broad geological set up of an area comprising nearly 2500 sq.km has been established in parts of sheet Nos . 91 / D and 82 / P . Major rock types met within the area are para- metamorphic schists ...
... Lohit district of Aru- nachal Pradesh , broad geological set up of an area comprising nearly 2500 sq.km has been established in parts of sheet Nos . 91 / D and 82 / P . Major rock types met within the area are para- metamorphic schists ...
Page 26
... Lohit district in 1970 and Suban- siri Expedition in 1974 . The Lohit Expedition was launched in the vast terra incognito between Delai and Dibang valleys under the overall leadership of the author with a multidisciplinary approach ...
... Lohit district in 1970 and Suban- siri Expedition in 1974 . The Lohit Expedition was launched in the vast terra incognito between Delai and Dibang valleys under the overall leadership of the author with a multidisciplinary approach ...
Page 35
... Lohit district to the east and therefore , may account for the present configuration . Thus a syntaxial bend of moderate intensity is reflected in the orographic pattern of this area . Southwesterly thrusts of the rock formations ...
... Lohit district to the east and therefore , may account for the present configuration . Thus a syntaxial bend of moderate intensity is reflected in the orographic pattern of this area . Southwesterly thrusts of the rock formations ...
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