Records of the Geological Survey of India, Volume 94, Part 1The Survey, 1959 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 21
... lower part and thin to medium bedded in the upper part . Its total thickness varies from 80 to 157 ft . It grades upwards into the Jammalamadugu formation which is divisible into a lower Narji limestone ( 600 ft . thick ) and an upper ...
... lower part and thin to medium bedded in the upper part . Its total thickness varies from 80 to 157 ft . It grades upwards into the Jammalamadugu formation which is divisible into a lower Narji limestone ( 600 ft . thick ) and an upper ...
Page 142
... lower seam coal is low in ash percentage than the upper and middle seam coals and is of a better quality by virtue ... lower portion of the lower seam . At two horizons megaspores occur as concentrated zones along the bedding plane of ...
... lower seam coal is low in ash percentage than the upper and middle seam coals and is of a better quality by virtue ... lower portion of the lower seam . At two horizons megaspores occur as concentrated zones along the bedding plane of ...
Page 148
... Lower Gondwana .- ( 1 ) Shri C. Nageswara Rao examined plant fossils from the Talchir coalfield , Orissa , which contained Equisetaceous stems , Glossopteris indica , G. ? browniana , G. cf. retifera , Gangamopteris sp . , Sphenopteris ...
... Lower Gondwana .- ( 1 ) Shri C. Nageswara Rao examined plant fossils from the Talchir coalfield , Orissa , which contained Equisetaceous stems , Glossopteris indica , G. ? browniana , G. cf. retifera , Gangamopteris sp . , Sphenopteris ...
Contents
INTRODUCTION | 1 |
MINERAL INVESTIGATIONS | 28 |
ENGINEERING GEOLOGY AND WATERSUPPLY INVESTIGATIONS 888 | 88 |
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1/16 inch slot 12-inch dia Andhra Pradesh Archaean Argada Assistant Geologists B. C. Roy bands Barakar beds Bihar boreholes Calcutta carried cent charnockite coal seams coalfield converted copper deposits dips district district.-Shri dolomite drawdown Elevation ending in clay examined exploratory fossils furlongs G.S.I. bench-mark geological mapping Geological Survey Geophysical gneisses Gondwana Gravel for shrouding groundwater Hazaribagh district housing installed inch slot openings investigations iron-ore Jammu land surface prior limestone m.s.l. Drilled Madhya Pradesh Madras milestone million tons mineralisation minerals mines minutes of test Nageswara Rao occur pegmatites phyllites Pradesh.-Shri pumping with turbine quartz quartz veins quartzites road rocks S. N. P. Srivastava samples sandstones Sarvashri saturated granular zones schist sections 1/8 inch shales sheets Shri shrouding 1/16 slotted sections 1/8 Static water level Survey of India test pumping thickness topo-sheets tubewells turbine pump Udaipur districts Uttar Pradesh West Bengal Yield zones at depths