Records of the Geological Survey of India, Volume 94Government of India, 1962 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 81
... appear to be of no commercial importance . Ranchi district , Bihar . - Muscovite is recorded by Shri S. N. P. Srivastava in the pegmatites intruding calc - silicate rocks but the occurrences do not appear to be of economic importance ...
... appear to be of no commercial importance . Ranchi district , Bihar . - Muscovite is recorded by Shri S. N. P. Srivastava in the pegmatites intruding calc - silicate rocks but the occurrences do not appear to be of economic importance ...
Page 205
... appear to have been formed by the second folding , as there atti- tudes are parallel with the trends of the axis of the anticline . Joint patterns is also controlled by the two sets of folds . Most of the joints in the area are steep ...
... appear to have been formed by the second folding , as there atti- tudes are parallel with the trends of the axis of the anticline . Joint patterns is also controlled by the two sets of folds . Most of the joints in the area are steep ...
Page 275
... appear to be labradorite , though occasionally a few crystals of andesine may be present in some of basalts . The phenocrysts often show glomero porphyritic texture and contain inclusions of pyroxene , glass and microlites of ...
... appear to be labradorite , though occasionally a few crystals of andesine may be present in some of basalts . The phenocrysts often show glomero porphyritic texture and contain inclusions of pyroxene , glass and microlites of ...
Contents
INTRODUCTION | 1 |
MINERAL INVESTIGATIONS | 28 |
ENGINEERING GEOLOGY AND WATERSUPPLY INVESTIGATIONS 888 | 88 |
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1/16 inch slot 12-inch dia amphibole amphibolites Andhra Andhra Pradesh Argada Balasore bands Barakar basalts beds boreholes Calcutta cent charnockites chondrules coal coalfield Cretaceous Cushman Deccan Traps deposits dips district district.-Shri dolerite drawdown east ending in clay felspar folds foraminifera formations fossils G.S.I. Type geological mapping Geological Survey gneisses Gondwana grade grains granites Gravel for shrouding grey Groundwater heavy mineral housing installed ilmenite investigations iron-ore land surface limestone m.s.l. Drilled magnetite manganese manganese-ore metamorphic metres miles million tons mineralisation minutes of test occur olivine Orissa outcrop pegmatites phenocrysts phyllites porphyritic Pradesh pumping with turbine quartz quartz veins quartzites Rajasthan ridge river rutile samples sand dunes sandstones Sarvashri Sastri saturated granular zones schists seams shales Shri sillimanite slotted sections specimen Srivastava Static water level Survey of India test pumping thickness topo-sheets tubewells turbine pump Utatur vesicular zones at depths