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 70
Precambrian succession in Chitradurga belt Hiriyur Formation Chitradurga Group ......... Disconformity .... Ingaldhalu Formations ( Ingaldhalu volcanics ) Vanivilas Formation Variolitic lavas , andesites and rhyolites occupy a higher ...
Precambrian succession in Chitradurga belt Hiriyur Formation Chitradurga Group ......... Disconformity .... Ingaldhalu Formations ( Ingaldhalu volcanics ) Vanivilas Formation Variolitic lavas , andesites and rhyolites occupy a higher ...
Page 78
It is recommended that a systematic exploration be carried out in the entire schist belt to evaluate the gold potential of this lithounit . The geological development of Ingaldhalu volcanics and the facies of stratiform sulphides can be ...
It is recommended that a systematic exploration be carried out in the entire schist belt to evaluate the gold potential of this lithounit . The geological development of Ingaldhalu volcanics and the facies of stratiform sulphides can be ...
Page 82
Archaean precious metal hydrothermal systems , Domes Mine , Abitibi greenstone belt REE and oxygen isotopic relations . Can . J. Earth Sci . 16 : 440-458 . LEPP , H. and GOLDICH , S.S. , 1964. Origin of Precambrian iron formation .
Archaean precious metal hydrothermal systems , Domes Mine , Abitibi greenstone belt REE and oxygen isotopic relations . Can . J. Earth Sci . 16 : 440-458 . LEPP , H. and GOLDICH , S.S. , 1964. Origin of Precambrian iron formation .
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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