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 57
... Belt The folded belt of Surma Valley , Tripura - Mizo hills , Chittagong hill tracts and coastal Burma be- longs to a single stratigraphic - tectonic unit , hereafter described as folds of the ' Surma Basin ' . The Miocene Surma basin ...
... Belt The folded belt of Surma Valley , Tripura - Mizo hills , Chittagong hill tracts and coastal Burma be- longs to a single stratigraphic - tectonic unit , hereafter described as folds of the ' Surma Basin ' . The Miocene Surma basin ...
Page 57
... Belt as The folded belt of Surma Valley , Tripura - Mizo hills , Chittagong hill tracts and coastal Burma belongs to a single stratigraphic - tectonic unit , hereafter described folds of the ' Surma Basin ' . The Miocere Surma basin is ...
... Belt as The folded belt of Surma Valley , Tripura - Mizo hills , Chittagong hill tracts and coastal Burma belongs to a single stratigraphic - tectonic unit , hereafter described folds of the ' Surma Basin ' . The Miocere Surma basin is ...
Page 89
... belt ( e.g. , Phokphur , Salumi , Zephu in Nagaland ; Chingai , Ukhrul , Gamnom , Sirohi and Moreh in Manipur ) , the authors have ded the presence of a rich radiolarian microfauna mainly from the chert beds associated with the various ...
... belt ( e.g. , Phokphur , Salumi , Zephu in Nagaland ; Chingai , Ukhrul , Gamnom , Sirohi and Moreh in Manipur ) , the authors have ded the presence of a rich radiolarian microfauna mainly from the chert beds associated with the various ...
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