 | | Journal (article/letter/editorial) | | Mapping New IOCG Mineral Systems in Brazil: The Vale do Curaçá and Riacho do Pontal Copper Districts...60440-554, Brazil Instituto de Geociências, Universidade de Brasília, Brasília 70910-900, Brazil; adalene@unb...Universidade Federal do Paraná, Curitiba 81531-980, Brazil; francisco.ferreira@ufpr.br Department of Mathematics...2020 Abstract: The Vale do Curaçá and Riacho do Pontal copper districts are located...associated with the Caraíba copper deposit, which is located in the Vale do Curaçá district, is related |  | PIRRIE, D., POWER, M. R., ANDERSEN, J. C. Ø., BUTCHER, A. R. (2000) Platinum-group mineralization in the Tertiary Igneous
Province: new data from Mull and Skye, Scottish Inner Hebrides, UK. Geological Magazine, 137 (6) 651-658 doi:10.1017/s0016756800004520 | Journal (article/letter/editorial) | | chromite, or at chromite–sulphide (pentlandite, chalcocite) or chromite–silicate grain boundaries. A small...chromite, or at chromite–sulphide (pentlandite, chalcocite) or chromite–silicate grain boundaries; the most...although rare, are mainly subordinate quantities of chalcocite (cf. Maier & Barnes, 1996), but texturally there...magnetite at Caraíba and other Cu-sulfide deposits in the Curaçá valley, Bahia, Brazil. Canadian Mineralogist |  | Le Bras, Loic Y., Bolhar, Robert, Bybee, Grant M., Nex, Paul A. M., Guy, Bradley M., Moyana, Thabitha, Lourens, Paulien (2021) Platinum-group and trace elements in Cu-sulfides from the Loolekop pipe, Phalaborwa: implications for ore-forming processes. Mineralium Deposita, 56 (1). 161-177 doi:10.1007/s00126-020-01005-4 | Journal (article/letter/editorial) | | with chalcopyrite exsolution and local traces of chalcocite and covellite related to fluid alteration, whereas...representative sulfide phases. Cbn = cubanite, Cct = chalcocite, Ccp = chalcopyrite, Cv = covellite, Bn = bornite...each other and form aggregates (chalcopyrite, chalcocite, and bornite). The absence of fractures associated...indicates a magmatic origin of this primary phase. Chalcocite, as well as covellite, occur in very small amounts...chalcopyrite (Fig. 2d and e) -Large grains (cm) Chalcocite -Veinlets into bornite (Fig. 2a)-Replacement |  | | Journal (article/letter/editorial) | | Cu-rich assemblage dominated by bornite, blue chalcocite (or digenite), minor chalcopyrite and associated...Intrusion are dominated by bornite, digenite, and chalcocite (Andersen et al., 1998; Nielsen et al., 2003a...Africa (Cawthorn and Meyer, 1993) and the Curaçá Valley, Brazil (Maier and Barnes, 1996). As shown above...chalcopyrite to Fe-oxides and bornite, digenite, chalcocite, and under extreme circumstances native Cu. Such...magnetite at Caraíba and other Cu-sulfide deposits in the Curaçá valley, Bahia, Brazil. Canadian Mineralogist |  | | Journal (article/letter/editorial) | | with reef-type mineralization at Rio Jacaré in Brazil. 49 The Latitude Hill prospect is characterised...pyrite. 408 Secondary digenite, covellite and chalcocite progressively replace bornite and chalcopyrite...grains occasionally 427 show alteration to trace chalcocite and covellite. In the olivine-gabbronorite, the...mineralized 667 chalcopyrite>>pentlandite or chalcocite-bornite. Samples within or occurring immediately...magnetite at Caraíba and other 1131 Cu-sulfide deposits in the Curaçá valley, Bahia, Brazil. The Canadian |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco Antônio...Tunnels Au-Ag-Zn-Pb deposit, Montana, United States (mine now exhausted). 1971: Recognized control of ore...high sulfidation epithermal Au-Ag deposit, Chile (mine now exhausted). 1971: First formal recognition...which led to discovery of Perkoa Zn-Pb-Ag deposit (mine under construction). 1990: Recommendation of Cerro |  | | Book | | born hills appear parallel to Mahagiri range due to mine-waste dumping. Unpaved roads serve the movement...The sky is gloomy throughout the day due to the mine and road dust. Social evils, crime, alcoholism,...the country. The chromite belt was located in a valley between the Mahagiri and the Daitari hill ranges...education, counseling, and training. Making stringent mine-safety rules is not the solution—it has to be implemented...Ore Group Orissa Mining Corporation Limited Run of Mine Reconnaissance Permit tonnes tonnes per annum/day |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started... Multi-stage emplacement and PGE-enrichment in the River Valley Intrusion, Ontario, Canada: implications for...Ni-Cu-PGE, Cr, and Fe-Ti-V deposits in the Bird River–Uchi–Oxford-Stull–La Grande-Eastmain superdomain:...BIF-hosted Lamego gold deposit, Quadrilátero Ferrífero, Brazil .................................................processes in the orogenic gold deposit of the Pampalo mine, Hattu schist belt, eastern Finland . . ....... |
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