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 43
... upper Paro valley and also with Budhi schists of Kumaon Himalaya by some of the workers . Black Mountain Group These ... Upper Ordovician period have been collected from this horizon , from a number of localities . In the southern part ...
... upper Paro valley and also with Budhi schists of Kumaon Himalaya by some of the workers . Black Mountain Group These ... Upper Ordovician period have been collected from this horizon , from a number of localities . In the southern part ...
Page 8
... upper Gondwana plant fosssils are found in upper rt of the Dubrajpur Formation . The Dubrajpur Formation receives its name after the lage Dubrajpur ( 24 ° 25'24 " : 87 ° 28'12 " ; Pl . 1 ) , in rvey of India's toposheet No. 72 P / 7 ...
... upper Gondwana plant fosssils are found in upper rt of the Dubrajpur Formation . The Dubrajpur Formation receives its name after the lage Dubrajpur ( 24 ° 25'24 " : 87 ° 28'12 " ; Pl . 1 ) , in rvey of India's toposheet No. 72 P / 7 ...
Page 89
... Upper Cretaceous while the upper age limit could possibly be ascribed as Eocene . MAP OF NAGA ENVELOPE HILLS OPHIOLITES WITH ITS AND ENCLAVES. By recor- Introduction ophi- Recents studies in selected sectors of the olite belt of Nagaland ...
... Upper Cretaceous while the upper age limit could possibly be ascribed as Eocene . MAP OF NAGA ENVELOPE HILLS OPHIOLITES WITH ITS AND ENCLAVES. By recor- Introduction ophi- Recents studies in selected sectors of the olite belt of Nagaland ...
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