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 15
... district , West Bengal - An upto date appraisal - M . N. Kumar , N. Das and S. Das Gupta . Integrated Surveys in Beldih area of the northern shear zone , Purulia district , West Bengal for evaluation of its mineralisation potential ...
... district , West Bengal - An upto date appraisal - M . N. Kumar , N. Das and S. Das Gupta . Integrated Surveys in Beldih area of the northern shear zone , Purulia district , West Bengal for evaluation of its mineralisation potential ...
Page 17
... district . Description of District - wise Nomenclature in Arunachal ( a ) Subansiri District Pradesh In this district , the classification of lithostratigra- phic units is mainly based on traverses along Ziro- Kimin Road traverse ...
... district . Description of District - wise Nomenclature in Arunachal ( a ) Subansiri District Pradesh In this district , the classification of lithostratigra- phic units is mainly based on traverses along Ziro- Kimin Road traverse ...
Page 48
... district of Arunachal Pradesh , comprises a thick sequence of volcanic flows and sedimentary beds . Similar volcanic rocks found in Ranga valley , Subansiri district was con- sidered equivalent of of Abor Volcanic Series by Laskar ...
... district of Arunachal Pradesh , comprises a thick sequence of volcanic flows and sedimentary beds . Similar volcanic rocks found in Ranga valley , Subansiri district was con- sidered equivalent of of Abor Volcanic Series by Laskar ...
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 |
Copyright | |
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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