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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Results 1-3 of 18
Page 10
... ( alkali rich ) , interstitial calcite , clouded- alkali feldspar , nepheline , sphene , zircon and zoisite . Blue green hornblende appears to replace pale green hornblende . Tremolite - actinolite prisms occur as earlier amphiboles ...
... ( alkali rich ) , interstitial calcite , clouded- alkali feldspar , nepheline , sphene , zircon and zoisite . Blue green hornblende appears to replace pale green hornblende . Tremolite - actinolite prisms occur as earlier amphiboles ...
Page 11
... alkali feldspar , sphene , apatite and minor amounts of quartz . Rock specimens from Taonda is composed of calcite ( 80 to 90 per cent modal volume ) in association with alkali feldspar , tremolite , chondrodite , magnetite , epidote ...
... alkali feldspar , sphene , apatite and minor amounts of quartz . Rock specimens from Taonda is composed of calcite ( 80 to 90 per cent modal volume ) in association with alkali feldspar , tremolite , chondrodite , magnetite , epidote ...
Page 12
... alkali feldspars and plagioclase . Coarse porphy- roblasts of alkali feldspars show inclusions of plagioclase and quartz . Development of feldspar porphyroblasts can generally be attributed to high activity of volatiles and such ...
... alkali feldspars and plagioclase . Coarse porphy- roblasts of alkali feldspars show inclusions of plagioclase and quartz . Development of feldspar porphyroblasts can generally be attributed to high activity of volatiles and such ...
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