Records of the Geological Survey of India, Volume 120, Parts 2-8Vols. 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
of 1.83 to 2.52 and Cu / Zn ratio of 7.5 to 13.0 characteristic of stratiform base metal sulphide deposit . Some tuffs are Cu - rich while some are rich in Zn which may be due to broad zonation . Sulphide cherts contain equal amounts of ...
of 1.83 to 2.52 and Cu / Zn ratio of 7.5 to 13.0 characteristic of stratiform base metal sulphide deposit . Some tuffs are Cu - rich while some are rich in Zn which may be due to broad zonation . Sulphide cherts contain equal amounts of ...
Page 79
Alteration Index vs Distance for Chitradurga Sulphide zone . 7777777 1995 , 120 ( 2-8 ) : 83-99 LATERITIC. N en gutt 100 R. ( K2O + Mg0 ) x 100 K20 + No20 + Coo Ch . Tutt M. TULE 90Chert Achero Chert 10Chert 701 Chert 60B.
Alteration Index vs Distance for Chitradurga Sulphide zone . 7777777 1995 , 120 ( 2-8 ) : 83-99 LATERITIC. N en gutt 100 R. ( K2O + Mg0 ) x 100 K20 + No20 + Coo Ch . Tutt M. TULE 90Chert Achero Chert 10Chert 701 Chert 60B.
Page 82
Mineralogy , geochemistry and gneisses of the massive base metal sulphide deposits of Chitradurga , Karnataka , India . J. Precambrian Res . 4 : 361-388 . NESBETT , R.W. and SUN , S.S. , 1976. Geochemistry of Archaean spinifix textured ...
Mineralogy , geochemistry and gneisses of the massive base metal sulphide deposits of Chitradurga , Karnataka , India . J. Precambrian Res . 4 : 361-388 . NESBETT , R.W. and SUN , S.S. , 1976. Geochemistry of Archaean spinifix textured ...
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anhydrite associated average axial planes bands Barotiya base basin beds belt Bhim Group block bodies boreholes burrows central channel chert Chitradurga clay deformation Delhi Delhi Supergroup delta deposit depth detailed developed Devgarh direction district drilling east eastern effect environment estimate evaporites exploration field folds formation Geol Geological geometry gold grade granite gravity grey ground halite Haryana hinge India indicate inlier iron laterite limb lineation major mineral mineralisation mining minor Nagaur nature observed occur origin parallel pattern phase of folding plain plunge pre-Delhi present quartz Rajasthan range Reef regional represents reserve resulted rocks samples sand scale schist sediments seismic refraction Sendra Group sequence shear shear zone stage strike structures sulphide surface Surv surveys Table tectonic thickness tion trend unit values volcanics western zone