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 70
... plagioclase , relict granular clinopyroxene , chlorite and quartz in a matrix comprising fine - grained actinolite , palagonite and opaques . Actinolite , pale blue - green Peninsular Gneisses Gneissic Complex ( 3000 m.y. ) Sargur Group ...
... plagioclase , relict granular clinopyroxene , chlorite and quartz in a matrix comprising fine - grained actinolite , palagonite and opaques . Actinolite , pale blue - green Peninsular Gneisses Gneissic Complex ( 3000 m.y. ) Sargur Group ...
Page 71
... plagioclase . Glassy rims are dusty brown containing clusters of fine - grained quartz and chlorite and a few crystals of skeletal plagioclase . Pillow cores show chlorite , laths of plagioclase ( altered ) , yellow - green palagonite ...
... plagioclase . Glassy rims are dusty brown containing clusters of fine - grained quartz and chlorite and a few crystals of skeletal plagioclase . Pillow cores show chlorite , laths of plagioclase ( altered ) , yellow - green palagonite ...
Page 73
... plagioclase and quartz with primary textures and original mineralogy completely lacking . The mineral assemblages suggest that the rocks have suffered greenschist facies of metamorphism . The different minerals are chlorite , sericite ...
... plagioclase and quartz with primary textures and original mineralogy completely lacking . The mineral assemblages suggest that the rocks have suffered greenschist facies of metamorphism . The different minerals are chlorite , sericite ...
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 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