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 85
... drilling equipments and traditional mining machinery for exploratory mining . Diamond drilling in iron ores have a generally poor core polarised and strong geochemical separation of elements . 13. Ore boundaries transitional due to some ...
... drilling equipments and traditional mining machinery for exploratory mining . Diamond drilling in iron ores have a generally poor core polarised and strong geochemical separation of elements . 13. Ore boundaries transitional due to some ...
Page 88
... drilling if necessary and optimistic projec- tions of tonnage and grade , so as to form the basis for future study on the explorability . It may include : a . Geological mapping ( 1 : 25,000 to 1 : 50,000 ) , b . Analysis of mining ...
... drilling if necessary and optimistic projec- tions of tonnage and grade , so as to form the basis for future study on the explorability . It may include : a . Geological mapping ( 1 : 25,000 to 1 : 50,000 ) , b . Analysis of mining ...
Page 94
... drilling 10-15 metres per million tonnes of possible reserves to cover up depth ranges and complexities , as measure of plan- ning the following detailed exploration . This will be equivalent to about 3 to 5 metres per any block on ...
... drilling 10-15 metres per million tonnes of possible reserves to cover up depth ranges and complexities , as measure of plan- ning the following detailed exploration . This will be equivalent to about 3 to 5 metres per any block on ...
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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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