Records of the Geological Survey of India, Volume 120, Parts 2-8government of India., 1985 - 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 16
... volcanics have not much of physical characteristics which may differentiate it in field from the Barotiya volcanics . In both the groups , the volcanics are associated with shallow water clastics pelitic schist with pebbles ...
... volcanics have not much of physical characteristics which may differentiate it in field from the Barotiya volcanics . In both the groups , the volcanics are associated with shallow water clastics pelitic schist with pebbles ...
Page 74
... volcanics fall in IAT field and splay into fields of MB and MORB . In Ni vs Mg number plot Chitradurga volcanics fall outside IAT / MB fields clearly indicating that Ni content for a given Mg number in MORB is lower and is higher in ...
... volcanics fall in IAT field and splay into fields of MB and MORB . In Ni vs Mg number plot Chitradurga volcanics fall outside IAT / MB fields clearly indicating that Ni content for a given Mg number in MORB is lower and is higher in ...
Page 78
... volcanic rich units and in banded iron formation of the Archaean greenstone belts ( Hutchison , 1983 ) . Though the actual source is the mafic volcanics the subse- quent concentration of gold deposits in areas rim- ming granite ...
... volcanic rich units and in banded iron formation of the Archaean greenstone belts ( Hutchison , 1983 ) . Though the actual source is the mafic volcanics the subse- quent concentration of gold deposits in areas rim- ming granite ...
Contents
Contents | 1 |
Stratigraphy and structure of Delhi Supergroup of rocks | 12 |
Structures in Singhbhum shear zone at and around | 27 |
Copyright | |
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Common terms and phrases
anhydrite antiform Aravalli range axial planes bands Barotiya and Sendra Barotiya Group basin Bhim Group block boreholes Chaibasa channel chert Chitradurga chlorite clay crescentic lamina deformation Delhi Delhi Supergroup deposit developed Devgarh Devgarh Group dextral Dhanjori drilling east eastern evaporites exploration F₁ F₂ F₂ folds formation Geol geophysical gneiss gold grade granite gravity grey ground water halite Haryana hinge Hutti Ingaldhalu iron isoclinal Jodhpur Krishna river laterite limb lineation lode metabasalts metamorphism migmatization mineral mineralisation minor folds Nagaur occur phase of folding planar plunge polyhalite pre-Delhi inlier pre-Delhi west Precambrian Punjab quartz quartzite Rajasthan Rajgarh Rajgarh Group Ras Marble red beds regional rocks Rohtak district S₁ S₂ samples sandstone schist schist belt schistosity sediments Sendra Group sequence shear zone Singhbhum strand plain stratigraphic Strike Reef structures sulphide Supergroup Surv synform tectonic thickness tion tonnes trend Tuff values variogram Vasudev volcanics western