Records of the Geological Survey of India, Volume 113, Parts 4-6The Survey, 1980 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 57
... folds that are epidermal in nature suggesting a decollement origin for the Surma folds . pure MAFLONG BAGMARA DAUKI CHHATAK SYLHET SILCHAR the BAKHRABAD AGARTALA. By Tectonic Trends In Surma Basin And Possible Genesis Of The Folded Belt The ...
... folds that are epidermal in nature suggesting a decollement origin for the Surma folds . pure MAFLONG BAGMARA DAUKI CHHATAK SYLHET SILCHAR the BAKHRABAD AGARTALA. By Tectonic Trends In Surma Basin And Possible Genesis Of The Folded Belt The ...
Page 60
... folds with the Jura folds of the Swiss Alps ( Pierce , 1966 ) . This prompts to suggest evolution of these two belts . Both the fold belts take a similar position --- the Surma folds being associated with the Indo - Burma orogen and the ...
... folds with the Jura folds of the Swiss Alps ( Pierce , 1966 ) . This prompts to suggest evolution of these two belts . Both the fold belts take a similar position --- the Surma folds being associated with the Indo - Burma orogen and the ...
Page 36
... folds ( F1 and F ) . The fold ( F1 ) is more conspicuous and is open to tightly isoclinal in style . At places , the folds have become recum- bent ( Fig . 2 and 4. ) Hinge is subangular to round- ed and at places thickened ( Fig . 2,3 ...
... folds ( F1 and F ) . The fold ( F1 ) is more conspicuous and is open to tightly isoclinal in style . At places , the folds have become recum- bent ( Fig . 2 and 4. ) Hinge is subangular to round- ed and at places thickened ( Fig . 2,3 ...
Contents
Part | 1 |
Problems of correlation of PreGondwana rock units of Arunachal Pradesh and adjoining areasa review | 15 |
The Sung Valley alkaline ultramafic carbonatite complex East Khasi and Jaintia Hills districts Meghalaya | 24 |
Copyright | |
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alluvium anorthosite assemblage associated augite bands basalt flows basin beds belt biotite Bombay bore holes borehole calcite carbonatite Charnockite chert chlorite chromite clay clinopyroxene coal complex Deccan Trap deposits developed district drainage dykes emplaced fault felspar fluorite folds Formation fossil fragments gabbro geochemical Geol Geological Survey geomorphic gneisses Gondwana grade grains granite granulites greisens grey groundmass Group hill Himalayas ijolite indicated intrusive laterite layers limestone magnetite Manipur mapping Meghalaya metamorphic metres migmatites mineralisation minerals Narmada occur olivine opaque ophiolite phenocrysts phosphorite phyllite plagioclase Plate porphyritic Pradesh present pyroclastic pyroxene pyroxenite quartz quartz veins quartzite region river rocks samples sandstone schist seam sedimentary sediments sequence serpentinite shale sillimanite soil stratigraphic structure studies sub-surface surface Surv Survey of India Tapti tectonic thickness thin tion trending tuff ultramafic Unpublished GSI Report upto Vaghur valley volcanic zone