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 100
... Reef is one of them and is an easterly placed lode with relatively greater abundance of silica , scheelite and native gold though comparatively poorer in sulphides as in the other lodes . This reef received the author's attention ...
... Reef is one of them and is an easterly placed lode with relatively greater abundance of silica , scheelite and native gold though comparatively poorer in sulphides as in the other lodes . This reef received the author's attention ...
Page 102
... Reef width is between 2 to 20 m and the pitch of the ore shoots at 55 ° -70 ° . The local names from west to east are Main Reef ( or Grey's Shaft Lode ) , Prospect Reef , Oakley's Reef , Middle Reef , Zone I , Village Reef , Strike Reef ...
... Reef width is between 2 to 20 m and the pitch of the ore shoots at 55 ° -70 ° . The local names from west to east are Main Reef ( or Grey's Shaft Lode ) , Prospect Reef , Oakley's Reef , Middle Reef , Zone I , Village Reef , Strike Reef ...
Page 107
... Reef in two directions of length ( Strike ) and depth ( down the plane of reef ) , exhibit some minor anisotropy and their mean value accepted for all practical pur- poses . Width aspect has not been considered because of small sizes ...
... Reef in two directions of length ( Strike ) and depth ( down the plane of reef ) , exhibit some minor anisotropy and their mean value accepted for all practical pur- poses . Width aspect has not been considered because of small sizes ...
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