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 8
... sediment samples were collec- ted with the help of a gardeners ' trowel from river bed and wet sieving were carried ... sediments were also collected from suitable spots wherever possible . Analytical Data The analytical data of samples ...
... sediment samples were collec- ted with the help of a gardeners ' trowel from river bed and wet sieving were carried ... sediments were also collected from suitable spots wherever possible . Analytical Data The analytical data of samples ...
Page 92
... Sediments The Disangs and the infolded ophiolites are overlain by a sequence of subhorizontal to low dip- ping sedimentary sequence represented by polymic- tic conglomerate , grit , feldspathic sandstone and mi- nor shale partings ...
... Sediments The Disangs and the infolded ophiolites are overlain by a sequence of subhorizontal to low dip- ping sedimentary sequence represented by polymic- tic conglomerate , grit , feldspathic sandstone and mi- nor shale partings ...
Page 96
... sediments associated with the ophiolite . The chert beds associated with the ophiolite ( from various lo calities e.g. Phokphur , Salumi , Zephu , Gamnom , Sirohi etc. ) yielded rich assemblage of radiolarians and coc- colithosphorids ...
... sediments associated with the ophiolite . The chert beds associated with the ophiolite ( from various lo calities e.g. Phokphur , Salumi , Zephu , Gamnom , Sirohi etc. ) yielded rich assemblage of radiolarians and coc- colithosphorids ...
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