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 94
... boreholes put down on the river bed along the dam alignment . Sporadic exposures of partly weathered granite ... boreholes , is inadequate and hence some more boreholes may have to be drilled in the abutments to at least 30 ft . depth ...
... boreholes put down on the river bed along the dam alignment . Sporadic exposures of partly weathered granite ... boreholes , is inadequate and hence some more boreholes may have to be drilled in the abutments to at least 30 ft . depth ...
Page 96
... boreholes and water losses in them indicated an E.N.E.-W.S.W. shear zone across the align- ment . Six additional boreholes were suggested to delineate the shear zone and to determine the type of treatment to be given . KERALA Iddikki ...
... boreholes and water losses in them indicated an E.N.E.-W.S.W. shear zone across the align- ment . Six additional boreholes were suggested to delineate the shear zone and to determine the type of treatment to be given . KERALA Iddikki ...
Page 121
... Boreholes Sites . - Shri S. K. Basu carried out preliminary selection of sites for exploratory bore- holes in the districts of Cooch Behar , Darjeeling , Jalpaiguri , Malda and West Dinajpur , in co - ordination with the Department of ...
... Boreholes Sites . - Shri S. K. Basu carried out preliminary selection of sites for exploratory bore- holes in the districts of Cooch Behar , Darjeeling , Jalpaiguri , Malda and West Dinajpur , in co - ordination with the Department 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