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 24
... indicates a metamorphic break between the two lithounits . Moreover , since F , phase of folding of the pre - Delhi is compara- ble with the F , phase of the Barotiya - Sendra Groups , the earliest regional metamorphism of the pre ...
... indicates a metamorphic break between the two lithounits . Moreover , since F , phase of folding of the pre - Delhi is compara- ble with the F , phase of the Barotiya - Sendra Groups , the earliest regional metamorphism of the pre ...
Page 43
... indicate potash beds in halitic beds . It is , how- ever , noted that ground geophysical surveys , as presently adopted ... indicates a IV layer velocity of the order of 4420-4810 m / sec . All the three methods pointed strongly to the ...
... indicate potash beds in halitic beds . It is , how- ever , noted that ground geophysical surveys , as presently adopted ... indicates a IV layer velocity of the order of 4420-4810 m / sec . All the three methods pointed strongly to the ...
Page 78
... indicated high amounts of silver ( up to 135 g / t ) . Grains of native silver often associated with gold occur as ... indicated a range from less than 0.1 g / t to 1.0 g / t of gold . At Nandipura borehole samples of banded iron for ...
... indicated high amounts of silver ( up to 135 g / t ) . Grains of native silver often associated with gold occur as ... indicated a range from less than 0.1 g / t to 1.0 g / t of gold . At Nandipura borehole samples of banded iron for ...
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 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