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 7
... colour from ligh to dark grey to greenish grey and the granites are usually dirty w pink . The colour changes are generally gradual but in the migma is sharp . These colour changes are directly related to mineral co tion , particularly ...
... colour from ligh to dark grey to greenish grey and the granites are usually dirty w pink . The colour changes are generally gradual but in the migma is sharp . These colour changes are directly related to mineral co tion , particularly ...
Page 30
... colour ; similar grains are found in Myrtaceae . Affinity - Dicoty- ledoneae . Tricolporites Erdtman 1947 sp . 3 ( Pl . 6 , fig . 17 ) Tricolporate , triangular in polar view . The equatorial portion is little bulging . Size 25μ ...
... colour ; similar grains are found in Myrtaceae . Affinity - Dicoty- ledoneae . Tricolporites Erdtman 1947 sp . 3 ( Pl . 6 , fig . 17 ) Tricolporate , triangular in polar view . The equatorial portion is little bulging . Size 25μ ...
Page 168
... colour of the argillaceous sediments is obviously due to the pigmentary hematite and not due to clay minerals ( Grim , 1951 ) . The red colour of the Panchet sediments is evidently due to a supply of ferric iron exide or hydroxide from ...
... colour of the argillaceous sediments is obviously due to the pigmentary hematite and not due to clay minerals ( Grim , 1951 ) . The red colour of the Panchet sediments is evidently due to a supply of ferric iron exide or hydroxide from ...
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