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 13
... facies variants in a single time - frame . 5. According to Sen , and Sychanthavong and Merh , same stress field and structural regime prevailed across the Aravalli range . 6. While Heron opined that the rocks which might be of B.G.C. ...
... facies variants in a single time - frame . 5. According to Sen , and Sychanthavong and Merh , same stress field and structural regime prevailed across the Aravalli range . 6. While Heron opined that the rocks which might be of B.G.C. ...
Page 73
... facies of metamorphism . The different minerals are chlorite , sericite , actinolite , palgioclase feldspar , epidote , calcite , sphene with magnetite , pyrite and pyrrhotite . Metabasalts show relict pyroxene and uralite . The mineral ...
... facies of metamorphism . The different minerals are chlorite , sericite , actinolite , palgioclase feldspar , epidote , calcite , sphene with magnetite , pyrite and pyrrhotite . Metabasalts show relict pyroxene and uralite . The mineral ...
Page 78
... facies of stratiform sulphides can be classified as major tholeiite to minor calc- alkaline near proximal , mechanically redeposited stratiformal Cu - Zn - Pb massive sulphide ( Vasudev , 1982 ) . Higher values of Zn and silver recorded ...
... facies of stratiform sulphides can be classified as major tholeiite to minor calc- alkaline near proximal , mechanically redeposited stratiformal Cu - Zn - Pb massive sulphide ( Vasudev , 1982 ) . Higher values of Zn and silver recorded ...
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