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 20
... close type with broad hinges . The axial planes dip steeply and axial planar fanning is usually observed over the series of major F , folds . The youngest major structures are broad warps and open folds . These folds have produced ...
... close type with broad hinges . The axial planes dip steeply and axial planar fanning is usually observed over the series of major F , folds . The youngest major structures are broad warps and open folds . These folds have produced ...
Page 79
... close proximity to the mineral deposit . After examining the data from 10 boreholes drilled it is observed that the alteration index is low for the mineralised zones except in boreholes IS - 6 and IS - 9 ( Ingaldhal South block ) ( Fig ...
... close proximity to the mineral deposit . After examining the data from 10 boreholes drilled it is observed that the alteration index is low for the mineralised zones except in boreholes IS - 6 and IS - 9 ( Ingaldhal South block ) ( Fig ...
Page 89
... close drilling , coring and non - coring , with regular surveying of boreholes . 2. Exploratory mining including aditing and deep pitting to reinforce the drilling data . 3. Collection of data on rock - mechanics and hydrology including ...
... close drilling , coring and non - coring , with regular surveying of boreholes . 2. Exploratory mining including aditing and deep pitting to reinforce the drilling data . 3. Collection of data on rock - mechanics and hydrology including ...
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 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