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 23
... represents a cumulate section associated with the ophiolitic suite of rocks . The entire assemblage represents largely a product of crystal fractionation affected by gravitatio- nal settling and accumulation of minerals . Chromite ...
... represents a cumulate section associated with the ophiolitic suite of rocks . The entire assemblage represents largely a product of crystal fractionation affected by gravitatio- nal settling and accumulation of minerals . Chromite ...
Page 47
... represented by warps and minor folds on the limb of the syncline . The Miri Formation has suffered metamorphism in ... represents deposition in a shallow marine condition . Slow subsidence of the basin aided by the periodic uplifts of ...
... represented by warps and minor folds on the limb of the syncline . The Miri Formation has suffered metamorphism in ... represents deposition in a shallow marine condition . Slow subsidence of the basin aided by the periodic uplifts of ...
Page 62
... represented by shale - siltstone - greywacks - rhythmites of the Disang formation . These turbidites grade upwards into course , shallow marine to fluviatile sediments of Barail Formation represented by conglo- merate - grit - sandstone ...
... represented by shale - siltstone - greywacks - rhythmites of the Disang formation . These turbidites grade upwards into course , shallow marine to fluviatile sediments of Barail Formation represented by conglo- merate - grit - sandstone ...
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