 | | Journal (article/letter/editorial) | | ϬϭϮϯϰϱϲ Cu (wt%) D (U–Th)/He and 4He/3He methods (Shuster et...rain forests blanketing the Carajás Mountains (Pará, Brazil) conceal weathering profiles that may exceed...~110 m deep). (C) Geochronology of supergene cryptomelane samples collected during mining operation reveals...reveals that the lateritic profile at Igarapé Bahia was already forming at ~67 Ma. (D) Possibly intermittent...entire Cenozoic promoted the effective leaching of Cu from the upper 100 meters of the weathering profile |  | | Journal (article/letter/editorial) | | Abstract—Nine samples of supergene goethite (FeOOH) from Brazil and Australia were selected to test the suitability...applied 40Ar/39Ar dating to K bearing Mn-oxides (cryptomelane) and sulphates (alunite-jarosite) from profiles...samples. We also compared Fe-oxide He ages with cryptomelane 40Ar/39Ar ages from the same weathering profiles...profiles, one directly associated goethite/cryptomelane pair, and of regionally associated samples. The...associated with other datable supergene phases (i.e., cryptomelane), and their relative timing of precipitation |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...8 9 Update of the Geologic Setting and Porphyry Cu-Mo Deposits of the Chuquicamata District, Northern...Porphyry Cu-Mo-Au Deposit, Utah Geology and Exploration Progress at the Resolution Porphyry Cu-Mo Deposit...al Evolution of the Giant Pebble Porphyry Cu-Au-Mo Deposit with Implications for Exploration in Southwest...Alaska Geologic Overview of the Oyu Tolgoi Porphyry Cu-Au-Mo Deposits, Mongolia v 10 11 12 13 Copper-Gold |  | | Journal (article/letter/editorial) | | ore in the Quadrilátero Ferrífero, Minas Gerais, Brazil C. A. Spier 1 & A. Levett 1 & C. A. Rosière 2 Received:...Carlos 6627, Belo Horizonte, Minas Gerais 31270-901, Brazil defined the ferruginous duricrust that developed...across the globe (e.g. QF and Carajás regions, Brazil; Nimba and Simandou ranges; Guinea; and the Hamersley...and reduce mine waste (e.g. Hamersley Province, Australia; Quadrilátero Ferrífero, Brazil). In some mining...mining operations (e.g. Carajás iron ore mines, Brazil), canga is stockpiled for future mining rehabilitation |  | | Journal (volume) | | Deposits in the Carajás Mineral Province, Pará State, Brazil Rosaline Figueiredo e Silva, Lydia Maria...Exploration Approach to the Sishen South Iron Ore Deposit, Northern Cape Province, South Africa, and Its...Chapter 13: Genesis of the Pic de Fon Iron Oxide Deposit, Simandou Range, Republic of Guinea, West Africa...and stratigraphic setting of the Rosh Pinah zinc deposit in the Gariep belt in Namibia. He has authored...belt and Rosh Pinah zinc deposit, as well as on the Sishen South iron ore deposit in the Northern Cape province |  | | Conference Proceedings (Volume) | | Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world Proceedings VOLUME...Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world Proceedings Volume...volume: Jonsson, E. et al. (ed.), 2013: Mineral deposit research for a high-tech world. Proceedings of...Metallogeny of the Fennoscandian Shield. Mineral deposit research for a high-tech world. Proceedings of...Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started |  | | Book | | describes the giant Imiter silver-mercury vein deposit and suggests that degassing was the main ore-forming...the Bou Madine gold-silver-lead-zinc (±copper) deposit in a Neoproterozoic caldera setting, and summarize...magmatism in the Zgounder epithermal silver-mercury deposit of Morocco, providing evidence for a genetic tie...copper-zinc-lead vein mineralization of the Aïn Barbar deposit in the Edough-Cap de Fer polymetallic district...origin of the Bouskour copper-lead-zinc vein-type deposit in Morocco and its relationship to Neoproterozoic |
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