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 25
... granite is very common in both the Barotiya and Sendra Groups . The large plutons of Sendra granites of Heron belong to this phase only . The last phase of granitic activity has pro- duced syn - F , granodiorite and hornblende granite ...
... granite is very common in both the Barotiya and Sendra Groups . The large plutons of Sendra granites of Heron belong to this phase only . The last phase of granitic activity has pro- duced syn - F , granodiorite and hornblende granite ...
Page 38
... granitic terrain . In the present area , the source rock presumbly was the post - Delhi granites / Delhi metamorphics , encountered in boreholes to the east of the Trans - Aravalli Vindhyan basin ( Fig . 2 ) . 3. Presence of a thick ...
... granitic terrain . In the present area , the source rock presumbly was the post - Delhi granites / Delhi metamorphics , encountered in boreholes to the east of the Trans - Aravalli Vindhyan basin ( Fig . 2 ) . 3. Presence of a thick ...
Contents
Contents | 1 |
Stratigraphy and structure of Delhi Supergroup of rocks | 12 |
Structures in Singhbhum shear zone at and around | 27 |
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anhydrite antiform Aravalli range average axial planes bands Barotiya and Sendra Barotiya Group basalts 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 F₂ folds folds F formation Geol Geological map geophysical gneiss gold grade granite gravity ground water halite Haryana hinge Hutti Ingaldhalu iron isoclinal Jodhpur 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 samples schist schist belt schistosity sediments Sendra Group sequence shear zone Singhbhum strand plain stratigraphic Strike Reef structures sulphide Supergroup Surv Survey of India synform tectonic thickness tion trend Tuff values variogram Vasudev volcanics western