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 17
... cross fractures. MINERALOGICAL AND CHEMICAL VARIATION WITHIN MAGNETITE BEARING CUMULATES ( As per data from Bore Hole Volume per cent mode - 1 ) Gr Oxy Gm Ni Partial chemical data wt % Fe Co Cr - 22.16 35.88 40.40 1.42 0.17 0.70 Sample ...
... cross fractures. MINERALOGICAL AND CHEMICAL VARIATION WITHIN MAGNETITE BEARING CUMULATES ( As per data from Bore Hole Volume per cent mode - 1 ) Gr Oxy Gm Ni Partial chemical data wt % Fe Co Cr - 22.16 35.88 40.40 1.42 0.17 0.70 Sample ...
Page 46
... cross bedding , ripple marks and crude graded bedding . The cross beds occur usually as a single set ; rarely , multi - set cross beds are present . Commonly , cross beds show a well developed foreset and asymptotic bottomset with ...
... cross bedding , ripple marks and crude graded bedding . The cross beds occur usually as a single set ; rarely , multi - set cross beds are present . Commonly , cross beds show a well developed foreset and asymptotic bottomset with ...
Page 71
... cross bedded limestone trending EW with southerly dip Age : Upper Creta- 11. Khangkhui ( VJ / 36 ) Bedded limestone exotics for about 100m strike with scarp thickness at base area of 2500 sq.m. 12. Phanycham South Limestone block ...
... cross bedded limestone trending EW with southerly dip Age : Upper Creta- 11. Khangkhui ( VJ / 36 ) Bedded limestone exotics for about 100m strike with scarp thickness at base area of 2500 sq.m. 12. Phanycham South Limestone block ...
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