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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Page 34
Geological Survey of India. porphyroblast . Partly developed kyanite crystals , bluish green in colour , attain a maximum size of 3 cm . Garnet is semi - transparent and it is purple in colour . Its size varies from fraction of a ...
Geological Survey of India. porphyroblast . Partly developed kyanite crystals , bluish green in colour , attain a maximum size of 3 cm . Garnet is semi - transparent and it is purple in colour . Its size varies from fraction of a ...
Page 56
... colour and occurs in fibrous crystal aggregates in hand specimen and shows pale brown colour.ana- logous to clouding in feldspars under the microscope . This might be attributed to the microscopic inclusions of ephesite as a result of ...
... colour and occurs in fibrous crystal aggregates in hand specimen and shows pale brown colour.ana- logous to clouding in feldspars under the microscope . This might be attributed to the microscopic inclusions of ephesite as a result of ...
Page 77
... colours : Colours like red , green and blue attract the human eyes while the response to colours like orange , yellow , purple , etc. , appears be poor . Further , the beauty of the stone depends upon its colour , lustre , play of colours ...
... colours : Colours like red , green and blue attract the human eyes while the response to colours like orange , yellow , purple , etc. , appears be poor . Further , the beauty of the stone depends upon its colour , lustre , play of colours ...
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