 | Kolb, J., Hellmann, A., Rogers, A., Sindern, S., Vennemann, T., Bottcher, M. E., Meyer, F. M. (2004) The Role of a Transcrustal Shear Zone in Orogenic Gold Mineralization at the Ajjanahalli Mine, Dharwar Craton, South India. Economic Geology, 99 (4) 743-759 doi:10.2113/gsecongeo.99.4.743 | Journal (article/letter/editorial) | | Gold Mineralization at the Ajjanahalli Mine, Dharwar Craton, South India JOCHEN KOLB,† ANDRÉ HELLMANN...2, 52056 Aachen, Germany Abstract The Ajjanahalli gold mine is spatially associated with a Late Archean...shear zone in the eastern Chitradurga greenstone belt of the Dharwar craton, India. Gold mineralization is...alteration assemblage of chlorite, stilpnomelane, minnesotaite, sericite, ankerite, arsenopyrite, pyrite, pyrrhotite...devolatilization of deeper levels of the Chitradurga greenstone belt. Arsenopyrite, chalcopyrite, and pyrrhotite |  | | Journal (article/letter/editorial) | | purposely lacking, as all information on regional and mine geology, host rock and ore sample descriptions,...South Africa [1–9]: Cuiabá Brazil [10–13]: Ajjanahalli, India [14,15]; Renco, Zimbabwe [16–20]; Hutti [21–27]...[21–27], Hira Buddini [28,29], India; Pilgrim’s Rest [30–33], South Africa; Lega Dembi, Ethiopia [34];...deposits are situated in southern Africa, three in India, two in Russia, one in Ethiopia, Brazil and Indonesia...regional scales. New Consort, Cuiabá, Hutti, Ajjanahalli, Hira Buddini and Lega Dembi are situated in |  | | Journal (article/letter/editorial) | | the BIF-hosted Gold Mineralization at Ajjanahalli, Southern India: Evidence from Ore Petrography and Fluid...H,O-C0,-CH,NaCl ore fluids in the BIF-hosted Ajjanahalli gold deposit is a welcome addition to the understanding...mineralization in the Dharwar Craton of southern India. The authors propose, on the basis of fluid inclusions...extensional veins in phyllite chlorite, stilpnomelane, minnesotaite, sericite, ankerite, and ‘gash’ veins in BIF...characterized by limited recovery and recrystallization Ajjanahalli is characterized by oxide facies only. Our processes |  | | Journal (article/letter/editorial) | | of the flat-topped hills in the vicinity of the mine are believed to be remnants of sheets of travertine...economic diamonds in lamproite in a Proterozoic mobile belt. The Argyle discovery in Western Australia finally...high-pressure metamorphic belt 2. Dabie Shan, China: in a Palaeozoic high-pressure metamorphic belt 3. California...in lamprophyres cutting Upper Proterozoic mobile belt 5. Tibet: in ophiolite 6. Dachine, Guyanne: in metamorphic...Brazil: in Proterozoic conglomerates in a mobile belt; no known primary source 8. New South Wales: in |  | Reddy, K. Mahender, Mishra, Niharika, Simi, T. S., Rath, Sonali, Paul, Arijit, Sari, S. (2023) Special Publication Vol. 1-I (77), A Manual of the Geology of India : Precambrian Part I, Southern part of the peninsula (5th ed.) Geological Survey of India | Report (edition) | | © INDIA, GEOLOGICAL SURVEY (2023) Compiled by Sri. K. Mahender Reddy, Director (Retd.), GSI, Smt...Published by The Director General Geological Survey of India 27, Jawaharlal Nehru Road Kolkata- 700016 Price...Bottom: Volcanic Agglomerate from Gadwal Schist Belt Back Cover: Top: Maradihalli Pillow Basalt, Bottom:...former Directors Generals, Geological Survey of India (GSI), for reposing faith on us by entrusting this...of the publication “A Manual of the Geology of India”(vol-I Part-I), Precambrian of Southern Part of |  | | Report (issue) | | post-depositional processes in uranium ores at the Stanleigh mine, Elliot Lake, Ontario, Canada.....................botryoids at a 350 Ma fossil warm spring at the Tynagh mine, Ireland: (A) The top surface (field of view measures...iron-formation lithologies from the 3800 Ma Isua Supracrustal Belt: West Greenland: Precambrian Research, v. 39, p...influenced sediments from the Barberton Greenstone Belt, South Africa: Precambrian Research, v. 106, p....one-billion-year period. In the Isua Greenstone Belt (3.8 Ga), Greenland, δ34S in sulfide minerals from |
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