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 41
... occur in patches and are disposed as synformal folds . Their foli planes are mostly parallel to the surrounding gneisses with which exhibit gradational contacts . These rocks are possibly the produ regional metamorphism of argillaceous ...
... occur in patches and are disposed as synformal folds . Their foli planes are mostly parallel to the surrounding gneisses with which exhibit gradational contacts . These rocks are possibly the produ regional metamorphism of argillaceous ...
Page 42
... occurs which has lithological similarity to Barakar rather than to Talchirs . The greenish tinge is not only confined to ... occur in the area as dykes and sills of dolerite and mica - peridotites . The former occurs all over the area ...
... occurs which has lithological similarity to Barakar rather than to Talchirs . The greenish tinge is not only confined to ... occur in the area as dykes and sills of dolerite and mica - peridotites . The former occurs all over the area ...
Page 83
... occur as a sill / dyke . The latter consists of panidiomorphic orthoclase phenocrysts , upto one centimetre in diameter , in a groundmass of albite , quartz , and quartz - fels par in graphic intergrowth . Albite laths of the groundmass ...
... occur as a sill / dyke . The latter consists of panidiomorphic orthoclase phenocrysts , upto one centimetre in diameter , in a groundmass of albite , quartz , and quartz - fels par in graphic intergrowth . Albite laths of the groundmass ...
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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Common terms and phrases
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