Records of the Geological Survey of India, Volume 113, Part 2The Survey, 1983 - 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 9
... occur in NE - SW trending low ridges . Carbonate rocks mostly occur as veins within amphibole- feldspar rocks which show effects of alkali metasomatism ( fenitisation ) and metamorphism . Magnetite ores also occur as intrusive within ...
... occur in NE - SW trending low ridges . Carbonate rocks mostly occur as veins within amphibole- feldspar rocks which show effects of alkali metasomatism ( fenitisation ) and metamorphism . Magnetite ores also occur as intrusive within ...
Page 10
... occurs in the form of minor linear veins within fenites . Minor patches of nepheline - diopside rocks also occur in Maonda . PETROGRAPHY Typical specimens of rock types collected from the present area , have been studied ...
... occurs in the form of minor linear veins within fenites . Minor patches of nepheline - diopside rocks also occur in Maonda . PETROGRAPHY Typical specimens of rock types collected from the present area , have been studied ...
Page 17
... occur good matches at several stratigraphic positions , and three positions of best fit . Depths as deduced from the ... occur within the portions which are correlated ( Fig . 1 ) . METHOD The succession data are first coded into a ...
... occur good matches at several stratigraphic positions , and three positions of best fit . Depths as deduced from the ... occur within the portions which are correlated ( Fig . 1 ) . METHOD The succession data are first coded into a ...
Contents
Effects of Regional Metamorphism on Sulphide Ores at Zawar | 1 |
A Probable Zone of Carbonatite and Fenitic Rock Association | 7 |
Quantitative Correlation of Cyclic Stratigraphic Sequences | 17 |
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Common terms and phrases
aerial alkali feldspars Amjhore anomaly curve bands Bhutan Bijaigarh shale borehole borehole BSG-13 brachiopods Carbonaceous carbonate rocks carbonatite correlation Deccan basalts Deccan Trap depth Estheriella fenites flaggy folds Formation fossiliferous fossils FUNCA1 Geol geological mapping Geological Survey Girnar gneisses grains granites grey shale Himalaya host rock India light REE limestone Lithology Madhya Pradesh magma magnetite Manuscript received Mao-Khola match position medium sandstone Coarse Medium to coarse melting metamorphism micron nepheline syenite oceanic olivine Ordovician pebbly sandstone phyllites picrite plagioclase Plate pyrites pyrites bed pyrites deposit quartz quartzites ratio recrystallised rhyolites rock types sandstone sandstone and grey sandstone Carbonaceous shale sandstone Coarse sandstone sandstone Medium schists sequence shale softer sulphide specimens spectral reflectance sphalerite spilites stratigraphic subroutine sulphide minerals Surv Survey of India thickness Thimphu tion Tong-Chu trace element upper upto values veins Vindhyan volcanism Wachi-La YXMID Zawar