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 204
Geological Survey of India. Minor folds . The unmappable folds whose wave - length and amplitude range from a fraction of a metre to several metres are grouped under this head as follows : Open isoclinal folds with vertical axial planes ...
Geological Survey of India. Minor folds . The unmappable folds whose wave - length and amplitude range from a fraction of a metre to several metres are grouped under this head as follows : Open isoclinal folds with vertical axial planes ...
Page 205
... folds . During the early period , the sedi- ments with intrusives were folded into a doubly plunging syncline tren ... folds . Most of the joints in the area are steep dipping fractures which strike N.60 ° E. - S.60 ° W . They appear to ...
... folds . During the early period , the sedi- ments with intrusives were folded into a doubly plunging syncline tren ... folds . Most of the joints in the area are steep dipping fractures which strike N.60 ° E. - S.60 ° W . They appear to ...
Page 248
... folds which are usually sinistral ( Pl . 12 ) . The contiguity of the horizons at the surface is broken at some Places where the regional fold axes plunge away in opposite directions . Intrusion and doming action of granite around ...
... folds which are usually sinistral ( Pl . 12 ) . The contiguity of the horizons at the surface is broken at some Places where the regional fold axes plunge away in opposite directions . Intrusion and doming action of granite around ...
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