Records of the Geological Survey of India, Volume 114, Parts 3-6Government of India, 1982 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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... quartz schist . Several concor- dant intrusive granite bodies , which can be classified into at least two types viz . porphyritic and non - porphyritic occur within the schistose rocks . Amphibolites and hornblende gneisses occur as ...
... quartz schist . Several concor- dant intrusive granite bodies , which can be classified into at least two types viz . porphyritic and non - porphyritic occur within the schistose rocks . Amphibolites and hornblende gneisses occur as ...
Page 52
... quartz around it , in the slates were described by William , Turner and Gilbert ( p . 212 ) , and it is emphasized that the growth of idiomorphic magnetite crystal and the fibrous quartz around it is due to metamorphism and pressure ...
... quartz around it , in the slates were described by William , Turner and Gilbert ( p . 212 ) , and it is emphasized that the growth of idiomorphic magnetite crystal and the fibrous quartz around it is due to metamorphism and pressure ...
Page 140
... quartz , felspar , biotite and hornblende as seen in the hand specimens . The pink variety of granite is composed of quartz , potash felspar and mica . Pyrite and patches of epidote are seen as minor constitue- nts in both the varieties ...
... quartz , felspar , biotite and hornblende as seen in the hand specimens . The pink variety of granite is composed of quartz , potash felspar and mica . Pyrite and patches of epidote are seen as minor constitue- nts in both the varieties ...
Contents
Impact of Coal mining of the natural landscape in Raniganj | 6 |
Ranganathan | 31 |
Geothermal fields of Ganjam and Puri Districts Orissa | |
Copyright | |
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Andhra Pradesh anorthosite Archaean assemblage associated bands basalt basin bauxite beds biotite carbonate charnockite chert chlorite clay seam coal coalfield cobalt colour conglomerate corundum crystals Deccan Trap deposits district east eastern Eocene evaporite facies flow folds foliation Formation garnet gems gemstones Geol Surv Ind Geological Survey gneiss Gondwana grade grained granite grey Group gypsum hills hornblende India indicate Itwa Sandstone Karnataka Kerala laterite limestone lineament lower Madhya Pradesh mafic magnetite manganese margin metamorphism mica belt mineralisation minerals mining occur ophiolite Orissa Panna Shale pegmatites phyllite plagioclase plain planation surfaces Plate quarries quartz quartzite Quaternary Ramanujam Raniganj ratio regional Rewa river rocks samples sand Sandstone schist schistose sedimentary sediments Shale shear shows Siang sillimanite Simrawal soil spoil dumps sq km structures Survey of India tectonic Tertiary thickness tion trend Upper upto valley Vindhyan Wardha zone