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 78
... galena , and also in pyrrhotite and chalcopyrite . Copper concentrates have generally analysed 180 to 200 g / t of silver ( Raghu Nandan et al . , 1990 ) . - Gold Gold occurs in the sulphidic facies banded ferruginous chert associated ...
... galena , and also in pyrrhotite and chalcopyrite . Copper concentrates have generally analysed 180 to 200 g / t of silver ( Raghu Nandan et al . , 1990 ) . - Gold Gold occurs in the sulphidic facies banded ferruginous chert associated ...
Page 102
... galena . A broad genetic link with the 1st deformation for the mineralisations 1 and 2 and the 3rd with the third , could be hazarding a guess at best , in view of the absence in absolute proof , from mineragraphic study . In fact , the ...
... galena . A broad genetic link with the 1st deformation for the mineralisations 1 and 2 and the 3rd with the third , could be hazarding a guess at best , in view of the absence in absolute proof , from mineragraphic study . In fact , the ...
Contents
Contents | 1 |
Stratigraphy and structure of Delhi Supergroup of rocks | 12 |
Structures in Singhbhum shear zone at and around | 27 |
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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