Records of the Geological Survey of India, Volume 99Geological Survey of India, 1972 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 10
... veins of aplite and pegmatite have also been recorded in the gneisses mapped . The veins of quartz are noticed in all the rock types but veins of felspar and epidote are confined within the gneisses . At places the veins of quartz and ...
... veins of aplite and pegmatite have also been recorded in the gneisses mapped . The veins of quartz are noticed in all the rock types but veins of felspar and epidote are confined within the gneisses . At places the veins of quartz and ...
Page 52
... veins of epidote and laths of chlorite . In the Jawahar tunnel area , the prevalent rock is finegrained greyish basalt with abundant specks of epidote and chlorite with calcareous matter . Plate 12 , figure 1 shows needle - shaped laths ...
... veins of epidote and laths of chlorite . In the Jawahar tunnel area , the prevalent rock is finegrained greyish basalt with abundant specks of epidote and chlorite with calcareous matter . Plate 12 , figure 1 shows needle - shaped laths ...
Page 69
... veins and quartzo - felspathic veins , the latter only in the rocks of higher grade of metamorphism . The quartz veins appear to be of two ages ; those veins which had intruded prior to the deformation , are now noticed as lenticles and ...
... veins and quartzo - felspathic veins , the latter only in the rocks of higher grade of metamorphism . The quartz veins appear to be of two ages ; those veins which had intruded prior to the deformation , are now noticed as lenticles and ...
Contents
VOLUME 99 PART | 2 |
Observations on the Siwalik System of India | 17 |
Microflora of the Nari Series of Kutch | 27 |
Copyright | |
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Andaman assemblage bands Barren Measures basin beds biotite boulder carbonaceous cells Chinji chlorite coal seams coarse Collenia colour Conophyton Daling series Damuda Darjeeling Darjeeling gneiss deposition developed Dhokpathan dips dolerite Eocene epidote facies faults fauna felspar ferruginous folds foliation foraminifera formation forms fossil G.S.I. Type garnet Geol Geological Survey Ghanpur area Giridih glacier gneisses Gondwana grained granites greenish grey groundwater Hipparion horizon indicate Jour Kaphni lamination lamprophyres lenses limestone lithological Lower Makrera metamorphism mica-schist microns migmatites mineral Miocene moraine Nagri occur olivine outlier overlying Panchet pebbly peridotite perithallus Pinjor plagioclase planes Plate Pliocene pollen quartz quartzites Raniganj Raniganj coalfield recorded reservoir rocks saline samples sandstone Sastry schist sections sediments sequence shales siltstone Siwalik system species specimens stage stratigraphic stromatolites structure Surv Survey of India Talchir Tappan Tatrot tectonic thick thrust tourmaline upto Uttattur group valley veins vitrinites zone