Records of the Geological Survey of India, Volume 94, Part 1The Survey, 1962 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 41
... thickness from 25 to 30 ft . Similarly the Argada - F and G as well as I and J form composite seams 16 ft . and 20 ft . in thickness , respectively . While the Argada - K seam is thin and impersistent , the Argada - L , M , N and O ...
... thickness from 25 to 30 ft . Similarly the Argada - F and G as well as I and J form composite seams 16 ft . and 20 ft . in thickness , respectively . While the Argada - K seam is thin and impersistent , the Argada - L , M , N and O ...
Page 44
... thickness from 2 to 63 ft . were met with in the boreholes . The 63 - ft . thick seam , which cor- responds to the Argada seam is intruded by mica peiodite . Correlation of the other seams is rather difficult due to differ- ences in the ...
... thickness from 2 to 63 ft . were met with in the boreholes . The 63 - ft . thick seam , which cor- responds to the Argada seam is intruded by mica peiodite . Correlation of the other seams is rather difficult due to differ- ences in the ...
Page 48
... thickness and the Lower , Turra seam , 55 to 60 ft . in thickness . The Turra seam contains coal equivalent to Grade I while that in the Purewa seam is of Inferior Grade . The moisture content of the coal varies from 8 to 15.7 per cent ...
... thickness and the Lower , Turra seam , 55 to 60 ft . in thickness . The Turra seam contains coal equivalent to Grade I while that in the Purewa seam is of Inferior Grade . The moisture content of the coal varies from 8 to 15.7 per cent ...
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1/16 inch slot 12-inch dia Andhra Pradesh Archaean Argada Assistant Geologists bands Barakar beds Bihar Bombay.-Shri boreholes carried cent charnockite coal seams coalfield converted copper deposits dips district.-Shri dolomite drawdown east Elevation ending in clay examined exploratory formations furlongs G.S.I. bench-mark geological mapping Geological Survey Geologists 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 magnetite milestone million tons mineralisation minerals mines minutes of test Nageswara Rao occur pegmatites phyllites Pradesh.-Shri pumping with turbine quartz quartz veins quartzites reserves river road 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