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 17
... position of a rock sequence by compar- ing it to a reference stratigraphic sequence ( Harbaugh and Merriam , 1968 ) . In the present study , crossassocia- tion , in its simplest form , is used to compare two strati- graphic sequences in ...
... position of a rock sequence by compar- ing it to a reference stratigraphic sequence ( Harbaugh and Merriam , 1968 ) . In the present study , crossassocia- tion , in its simplest form , is used to compare two strati- graphic sequences in ...
Page 18
... position with highest SD value is the position of best match ( Sackin and Merriam , 1969 ) . RESULTS AND DISCUSSION Descriptive lithologs of boreholes Nos . BSG - 13 and B G - 31 are given in Table - I . In each section the litho ...
... position with highest SD value is the position of best match ( Sackin and Merriam , 1969 ) . RESULTS AND DISCUSSION Descriptive lithologs of boreholes Nos . BSG - 13 and B G - 31 are given in Table - I . In each section the litho ...
Page 19
... position all the relevant statistics are computed ( Table III ) . Significant matches occur at positions 2 ( SD 3.0658 ) , 8 ( SD 3.2309 ) , 14 ( SD 2.3150 ) , 83 ( SD 2.1446 ) , 120 ( SD 2.2025 ) and 136 ( SD 2.2025 ) . Presence of ...
... position all the relevant statistics are computed ( Table III ) . Significant matches occur at positions 2 ( SD 3.0658 ) , 8 ( SD 3.2309 ) , 14 ( SD 2.3150 ) , 83 ( SD 2.1446 ) , 120 ( SD 2.2025 ) and 136 ( SD 2.2025 ) . Presence of ...
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