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 104
... samples , could be somewhat improved by weighting the cross - cut samples rep- resenting the two mutually perpendicular attitudes FREQUENCY 70- 50+ GRADE THICKNESS 30- 10+ FREQUENCY 0 2 3 4 5 6 7 Au in dwt / t - 0 5 10 15 20 25 30 35 ...
... samples , could be somewhat improved by weighting the cross - cut samples rep- resenting the two mutually perpendicular attitudes FREQUENCY 70- 50+ GRADE THICKNESS 30- 10+ FREQUENCY 0 2 3 4 5 6 7 Au in dwt / t - 0 5 10 15 20 25 30 35 ...
Page 105
... samples , in histogram reso- lution and cumulative curve drawings or ogive fittings on squared paper as well as logarithmic scale probability paper ( Fig . 1 a & b ) . The histo- grams for grade assay , thickness ( Fig . 2 ) and their ...
... samples , in histogram reso- lution and cumulative curve drawings or ogive fittings on squared paper as well as logarithmic scale probability paper ( Fig . 1 a & b ) . The histo- grams for grade assay , thickness ( Fig . 2 ) and their ...
Page 110
... sample was drawn . Such sub - division was necessary to bring out the variations in gold content across the lode . Several checks were made on the reliability of the samples and the assays , covering the adequacy of channel interval ...
... sample was drawn . Such sub - division was necessary to bring out the variations in gold content across the lode . Several checks were made on the reliability of the samples and the assays , covering the adequacy of channel interval ...
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 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