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 7
... carbonate rocks and magnetite ores is noteworthy . Petrographically , the identified rock types include amphibole - feldspar rocks or basic rocks , carbonate rocks , magnetite ores with small amounts of apatite and later injected quartz ...
... carbonate rocks and magnetite ores is noteworthy . Petrographically , the identified rock types include amphibole - feldspar rocks or basic rocks , carbonate rocks , magnetite ores with small amounts of apatite and later injected quartz ...
Page 12
... Carbonate rocks show comparatively higher values of La , Y and Sr than fenites and amphibole - feldspar rocks ... Carbonate rocks show high values of La ( upto 300 ppm ) , Y ( upto 200 ppm ) , Mn ( above 5000 ppm ) , Ti ( above 5000 ppm ) ...
... Carbonate rocks show comparatively higher values of La , Y and Sr than fenites and amphibole - feldspar rocks ... Carbonate rocks show high values of La ( upto 300 ppm ) , Y ( upto 200 ppm ) , Mn ( above 5000 ppm ) , Ti ( above 5000 ppm ) ...
Page 14
... Carbonate Rock SiO 44.68 56.49 TiO2 0.40 0.74 trace A1203 9.60 15.63 0.20 Fe2O3 2.37 trace 0.27 FeO 2.19 2.21 0.48 MnO 0.08 0.03 0.02 MgO 2.27 3.94 CaO 19.38 11.10 53.06 K , 0 1.00 0.88 0.15 Na2O 4.30 7.62 0.72 H2O- 0.23 0.10 0.03 H2O + ...
... Carbonate Rock SiO 44.68 56.49 TiO2 0.40 0.74 trace A1203 9.60 15.63 0.20 Fe2O3 2.37 trace 0.27 FeO 2.19 2.21 0.48 MnO 0.08 0.03 0.02 MgO 2.27 3.94 CaO 19.38 11.10 53.06 K , 0 1.00 0.88 0.15 Na2O 4.30 7.62 0.72 H2O- 0.23 0.10 0.03 H2O + ...
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