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
... Valley for a strike length of nearly 60 kms . Thus , the rock types represent Central Himalayan Crysta- llines ... Valley , immediately adja- cent to the present area , is totally different and , as such , may have been juxtaposed along ...
... Valley for a strike length of nearly 60 kms . Thus , the rock types represent Central Himalayan Crysta- llines ... Valley , immediately adja- cent to the present area , is totally different and , as such , may have been juxtaposed along ...
Page 28
... valley . Occurring in the northern limb of the anticline this crystalline limestone band is again intercepted at Motengliang and Azaba along Delai valley . The eastward continuation of this band may probably be the same as the one ...
... valley . Occurring in the northern limb of the anticline this crystalline limestone band is again intercepted at Motengliang and Azaba along Delai valley . The eastward continuation of this band may probably be the same as the one ...
Page 32
... valley it is ENE - WNW to NE - SW with dips varying from 60 ° to 70 ° towards NE and NW . Thus it is possible that the two different trends of foliation at two far flung areas on the east and west of Tidding valley seem to mark a ...
... valley it is ENE - WNW to NE - SW with dips varying from 60 ° to 70 ° towards NE and NW . Thus it is possible that the two different trends of foliation at two far flung areas on the east and west of Tidding valley seem to mark a ...
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