Records of the Geological Survey of India, Volume 113, Parts 2-4Government of India, 1983 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 66
... grade Gross in sp thickness reserved Type of Remarks reserve Sl . No. Radical S % Fe % A1 % As % P % Remarks km of ... Grade 41.23 38.65 12.82 average of all samples ( 86 Nos , ) 0.026 0.011 Probable Proved corresponding ness for all ...
... grade Gross in sp thickness reserved Type of Remarks reserve Sl . No. Radical S % Fe % A1 % As % P % Remarks km of ... Grade 41.23 38.65 12.82 average of all samples ( 86 Nos , ) 0.026 0.011 Probable Proved corresponding ness for all ...
Page 10
... Grading fields Selected A Grade Less than 17.5 Out lying fields Class II etc SO that Selected B Grade I Grade II ,, 17.5-19 Selected Grade . 19-24 Grade I 29 24-28 Grade II Class III Class IV 28-40 Grade III ( 28-35 ) 40-55 ( v ) Coal ...
... Grading fields Selected A Grade Less than 17.5 Out lying fields Class II etc SO that Selected B Grade I Grade II ,, 17.5-19 Selected Grade . 19-24 Grade I 29 24-28 Grade II Class III Class IV 28-40 Grade III ( 28-35 ) 40-55 ( v ) Coal ...
Page 100
... Grade I : Cr2 03 - 53 percent minimum ; Fez 0 , = 16 percent maximum and SiO2 - 4 percent maximum . . ( 3 ) The scatter of Cr / Cr + Al ( range 0.592 to 0.882 ) and Mg / Mg + Fe2 + ( range 0.464 to 0.748 ) ratios indicate their affinity ...
... Grade I : Cr2 03 - 53 percent minimum ; Fez 0 , = 16 percent maximum and SiO2 - 4 percent maximum . . ( 3 ) The scatter of Cr / Cr + Al ( range 0.592 to 0.882 ) and Mg / Mg + Fe2 + ( range 0.464 to 0.748 ) ratios indicate their affinity ...
Contents
A Probable Zone of Carbonatite and Fenitic Rock Association | 7 |
Quantitative Correlation of Cyclic Stratigraphic Sequences | 17 |
On the Fossiliferous Ordovician Rocks of Black Mountain | 35 |
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alkali anomaly apatite Arunachal assemblage associated axial bands Beldih belt Bhutan Bihar biotite bore holes borehole Carbonaceous carbonatite Chaibasa chert chlorite chlorite schist chromite coal seam Coarse sandstone complex contours correlation Dalma Deccan basalts deformation deposits depth developed Dhanjori district Dubrajpur Dubrajpur Formation Eastern exploration F₁ fault feldspars folds foliation fossils geochemical Geol Geological Survey Ghosh gneiss Gondwana grade grains granite gneiss grey Group Hills Himalaya host rock ijolite limestone lineation magnetite Manipur Medium sandstone metamorphism metres migmatites mineralisation minerals muscovite nepheline Northern Shear Zone occur olivine ophiolite phyllites plagioclase Plate plunging Pradesh Precambrian pyrite quartz quartzite regional rock types S₁ S₂ samples sandstone Sarkar schist schistosity sector sedimentary sequence sericite serpentinite shale sillimanite Singhbhum stratigraphic structural studies sulphide Surv Survey of India tectonic texture thickness tholeiites tion trending ultramafic upto veins volcanic