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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... nature , which have been formed from regional metamorphism of the stratiform sulphide ores at Zawar . CHARACTERISTIC FEATURES OF ZAWAR ORES Various features of sulphide mineralisation in the Zawar belt have been recorded in the field ...
... nature , which have been formed from regional metamorphism of the stratiform sulphide ores at Zawar . CHARACTERISTIC FEATURES OF ZAWAR ORES Various features of sulphide mineralisation in the Zawar belt have been recorded in the field ...
Page 8
... nature and thickness . In general , the top soil ( humus zone ) is mostly absent over the calc- schist and the talc - schist units . The ' A ' horizon is usually thin ( not exceeding 20 cm ) except over the mica - schist where it shows ...
... nature and thickness . In general , the top soil ( humus zone ) is mostly absent over the calc- schist and the talc - schist units . The ' A ' horizon is usually thin ( not exceeding 20 cm ) except over the mica - schist where it shows ...
Page 57
... Nature of the Surma folds and the tectonic framework of the basin show similarity with the Jura folds of the Alpine orogen . This leads to a preposition of analogous evolution for the Jura and Surma folds that are epidermal in nature ...
... Nature of the Surma folds and the tectonic framework of the basin show similarity with the Jura folds of the Alpine orogen . This leads to a preposition of analogous evolution for the Jura and Surma folds that are epidermal in nature ...
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