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 foliation planes are mostly parallel to the surrounding gneisses with which they exhibit gradational contacts . These rocks are possibly the product of regional metamorphism ...
... occur in patches and are disposed as synformal folds . Their foliation planes are mostly parallel to the surrounding gneisses with which they exhibit gradational contacts . These rocks are possibly the product of regional metamorphism ...
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 | 1 |
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
assemblage bands Barakar Barren Measures basin beds biotite boulder carbonaceous cells Chinji chlorite coal seams coarse Collenia colour conglomerate Conophyton Daling series Damuda Darjeeling Darjeeling gneiss deposition developed Dhokpathan dolerite dykes Eocene epidote facies faults fauna felspar ferruginous folds foliation foraminifera formation forms fossil G.S.I. Type Geol GEOLOGICAL SURVEY Ghanpur area Giridih glacier gneisses Gondwana grained granites grey groundwater Haritalyangar Hipparion horizon INDIA Records indicate Jour Kaphni Karanpura lamination lamprophyres lenses limestone lithological Lower Gondwana Makrera metamorphism microns migmatites mineral Miocene moraine Nagri occur olivine overlying Panchet pebbly peridotite perithallus plagioclase planes Plate Pliocene quartz quartzites Raniganj Raniganj coalfield reservoir river rocks sandstone Sastry schist sections sediments shales siltstone Siwalik Siwalik system slates species spores stage stratigraphic stromatolites structures Surv SURVEY OF INDIA Talchir Tatrot thick thrust tourmaline upto Uttattur group veins vitrinites water table