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 71
... QUARTZ & ORE VEINS BANDED FERRUGIN OUS CHERT / SCHIST CHLORITE SCHIST ( TUFF ) SCHISTOSE METABASALT VARIOLITIC BASALT METABASALT Fig . 10. Alteration Index vs Distance for Chitradurga Sulphide. chude of the YYY MINE BLOCK V V 20c 150 ...
... QUARTZ & ORE VEINS BANDED FERRUGIN OUS CHERT / SCHIST CHLORITE SCHIST ( TUFF ) SCHISTOSE METABASALT VARIOLITIC BASALT METABASALT Fig . 10. Alteration Index vs Distance for Chitradurga Sulphide. chude of the YYY MINE BLOCK V V 20c 150 ...
Page 101
... vein quartz ( auriferous ) . 3rd Deformation of mild intensity Acid intrusive ( sills mostly ) manifested as quartz ... veins ( ? ) which in greater parts are auriferous . The tectonic contact is inferred to be an over- turned flexure ...
... vein quartz ( auriferous ) . 3rd Deformation of mild intensity Acid intrusive ( sills mostly ) manifested as quartz ... veins ( ? ) which in greater parts are auriferous . The tectonic contact is inferred to be an over- turned flexure ...
Page 102
... quartz - arsenopyrite ensemble and the third innocuous one replacing sphalerite and occasional galena . A broad ... veins which bear the gold are only the reefs locally . Reefs don't show mineral zoning except for the progressive ...
... quartz - arsenopyrite ensemble and the third innocuous one replacing sphalerite and occasional galena . A broad ... veins which bear the gold are only the reefs locally . Reefs don't show mineral zoning except for the progressive ...
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