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 15
... granite gneiss with large augens of feldspar and quartzo - feldspathic materials are actually the product of migmatization through an influx of acidic materials prior to the earliest deformation of the Barotiya Group . Pre - Delhi ...
... granite gneiss with large augens of feldspar and quartzo - feldspathic materials are actually the product of migmatization through an influx of acidic materials prior to the earliest deformation of the Barotiya Group . Pre - Delhi ...
Page 23
... granite . Although Heron ( 1953 ) described the conglo- merate as of sedimentary origin , there was also an opinion ... granite gneiss , west of Rampura , transgressing the original unconform- able contact between the Sendra Group ...
... granite . Although Heron ( 1953 ) described the conglo- merate as of sedimentary origin , there was also an opinion ... granite gneiss , west of Rampura , transgressing the original unconform- able contact between the Sendra Group ...
Page 73
... granite are transformed to amphibolites and contain recrystallised hornblende , plagioclase and quartz with primary ... granite emplacement is late tectonic and marks the end phase of the regional meta- morphism delimiting the ...
... granite are transformed to amphibolites and contain recrystallised hornblende , plagioclase and quartz with primary ... granite emplacement is late tectonic and marks the end phase of the regional meta- morphism delimiting the ...
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