Records of the Geological Survey of India, Volume 114Geological Survey of India, 1984 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 3
... folds with vertical axial plane which were subsequently re.ol- ded ( Bhattacharya , 1961 and 1966 ) . The rocks of the area preserve both primary planar structures like bedding ( S , ) , cross - bedding , etc , and at least two sets of ...
... folds with vertical axial plane which were subsequently re.ol- ded ( Bhattacharya , 1961 and 1966 ) . The rocks of the area preserve both primary planar structures like bedding ( S , ) , cross - bedding , etc , and at least two sets of ...
Page 59
... folded into a series of isoclinal These were followed by the anorthosites and metanorites . folds with E - W trending axial plane dipping at angels of approximately 50 ° -60 ° towards north . During the waning phase of tectonic activity ...
... folded into a series of isoclinal These were followed by the anorthosites and metanorites . folds with E - W trending axial plane dipping at angels of approximately 50 ° -60 ° towards north . During the waning phase of tectonic activity ...
Page 77
... fold tectonics . According to Dunn ( op cit ) crushed rocks , retrograde metamorphism and contra- sted metamorphic facies on two sides are the chief criteria . to recognise the shear zone . Later workers like Sarkar and Saha ( 1962 ) ...
... fold tectonics . According to Dunn ( op cit ) crushed rocks , retrograde metamorphism and contra- sted metamorphic facies on two sides are the chief criteria . to recognise the shear zone . Later workers like Sarkar and Saha ( 1962 ) ...
Contents
Integrated Geochemical Approach for Tracing Gold Mineralisation in Parts | 1 |
On Jacobsites from Vizianagaram Manganese Belt of Eastern Ghats Andhra | 15 |
Fossil Hippopotamus from Quaternary Alluvial Deposits of Narmada Valley | 17 |
Copyright | |
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actinolite amphiboles amphibolite analysis ARCHAEAN assemblage associated BANKURA DISTRICT Barakar basement bedrock samples Bihar Biotite boreholes catchment area Chakradharpur chemical colour composition country rocks crystals Dassarma Dolerite Domuhan river Dubrajpur Dubrajpur Formation Electron elements epidiorites geochemical Geol Geological Survey Ghose gneiss Goilkera gold grains Granite gneiss green GSI Type Haast river Hippopotamus hornblende hornblende schist host rock igneous jacobsite Kharswan strip Khatangi hill section magnetite manganese Manuscript received massive amphibolite Mayapur McCluskieganj meta-basic rocks metamorphic metres south mica schists mineralisation minerals namadicus Narmada Neogene nepheline syenite occur palaeindicus Pegmatite pelite phyllites plagioclase Porphyritic present area quartz Quartzite Quaternary ratios Rupatganj schist schistose schistose amphibolite sediments shale Singhbhum Singhbhum Shear Zone specimens stratigraphic stream sediment-concentrate samples sulphide Surv Survey of India Table-II Talapatra texture three strips values vein-quartz veins West Bengal X-Ray