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". |
From inside the book
Results 1-3 of 27
Page 7
... colour from light grey to dark grey to greenish grey and the granites are usually dirty white to pink . The colour changes are generally gradual but in the migmatites it is sharp . These colour changes are directly related to mineral ...
... colour from light grey to dark grey to greenish grey and the granites are usually dirty white to pink . The colour changes are generally gradual but in the migmatites it is sharp . These colour changes are directly related to mineral ...
Page 29
... coloured , smooth textured . Size 15μ- 27μ . Botanical affinity - Dicotyledoneae . Psilatricolporites Van . d . Hammen sp . 1 ( Pl . 6 , fig . 9 ) Pollen grain small , tricolporate , subprolate , radiosymmetric , yellowish in colour ...
... coloured , smooth textured . Size 15μ- 27μ . Botanical affinity - Dicotyledoneae . Psilatricolporites Van . d . Hammen sp . 1 ( Pl . 6 , fig . 9 ) Pollen grain small , tricolporate , subprolate , radiosymmetric , yellowish in colour ...
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 | 1 |
Observations on the Siwalik System of India | 17 |
Microflora of the Nari Series of Kutch | 27 |
Copyright | |
7 other sections not shown
Other editions - View all
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