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. |
From inside the book
Results 1-3 of 4
Page 77
... extensions as also in predicting the behaviour of ore shoots . Grade is not uniform through out the strike and along dip . The copper content with a background of 50-100 ppm rises to as high as 20 % Cu within a strike length of 20 m ...
... extensions as also in predicting the behaviour of ore shoots . Grade is not uniform through out the strike and along dip . The copper content with a background of 50-100 ppm rises to as high as 20 % Cu within a strike length of 20 m ...
Page 78
... extensions have indicated high amounts of silver ( up to 135 g / t ) . Grains of native silver often associated with gold occur as inclusions in galena , and also in pyrrhotite and chalcopyrite . Copper concentrates have generally ...
... extensions have indicated high amounts of silver ( up to 135 g / t ) . Grains of native silver often associated with gold occur as inclusions in galena , and also in pyrrhotite and chalcopyrite . Copper concentrates have generally ...
Page 86
... extend into the sea to a distance of twelve nautical miles measured from the appropriate base line . A89 Fig . 1. Map of Indian peninsula showing coastal laterites , geochemically classified and differentiated into metal predominances ...
... extend into the sea to a distance of twelve nautical miles measured from the appropriate base line . A89 Fig . 1. Map of Indian peninsula showing coastal laterites , geochemically classified and differentiated into metal predominances ...
Contents
Contents | 1 |
Stratigraphy and structure of Delhi Supergroup of rocks | 12 |
Structures in Singhbhum shear zone at and around | 27 |
Copyright | |
2 other sections not shown
Other editions - View all
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