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 12
... mineral alignment in the gneisses . Crenulations ( measuring upto 1 mm . across ) are observed on schistosity planes . Mineral align- ment ( mostly of ferromagnesians ) has been observed only at Kumara- gudam ( 17 ° 56 ′ : 79 ° 29 ...
... mineral alignment in the gneisses . Crenulations ( measuring upto 1 mm . across ) are observed on schistosity planes . Mineral align- ment ( mostly of ferromagnesians ) has been observed only at Kumara- gudam ( 17 ° 56 ′ : 79 ° 29 ...
Page 13
... mineral assemblage of this group appears to be normal excepting for the absence of grunerite . As only a few micro - section were examined it cannot be positively stated that the mineral is absent , particularly because of its ...
... mineral assemblage of this group appears to be normal excepting for the absence of grunerite . As only a few micro - section were examined it cannot be positively stated that the mineral is absent , particularly because of its ...
Page 87
... mineral suite is also remarkably similar to those of Damuda as already re- ferred to earlier . The heavy mineral , clastic fragment and palaeocurrent studies reveal nearly similar provenance for the Siwalik and the foot - hill Damuda ...
... mineral suite is also remarkably similar to those of Damuda as already re- ferred to earlier . The heavy mineral , clastic fragment and palaeocurrent studies reveal nearly similar provenance for the Siwalik and the foot - hill Damuda ...
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