Search Results - "Prichard, Hazel M"
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Platinum-group minerals from the Jinbaoshan Pd–Pt deposit, SW China: evidence for magmatic origin and hydrothermal alteration
Published in Mineralium deposita (01-09-2008)“…The Jinbaoshan Pt–Pd deposit in Yunnan, SW China, is hosted in a wehrlite body, which is a member of the Permian (∼260 Ma) Emeishan Large Igneous Province…”
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Identification of Platinum and Palladium Particles Emitted from Vehicles and Dispersed into the Surface Environment
Published in Environmental science & technology (20-03-2012)“…Platinum, palladium, and rhodium are emitted from vehicle catalytic converters. Until now, the form of precious metal particles in road dust and urban waste…”
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Platinum–palladium–gold mineralization in the Nkenja mafic–ultramafic body, Ubendian metamorphic belt, Tanzania
Published in Mineralium deposita (01-01-2012)“…Significant and widespread enrichment of platinum, palladium, and gold has been found within the Nkenja mafic–ultramafic body located in southern Tanzania in…”
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The distribution of platinum group elements (PGE) and other chalcophile elements among sulfides from the Creighton Ni–Cu–PGE sulfide deposit, Sudbury, Canada, and the origin of palladium in pentlandite
Published in Mineralium deposita (01-12-2010)“…Concentrations of platinum group elements (PGE), Ag, As, Au, Bi, Cd, Co, Mo, Pb, Re, Sb, Se, Sn, Te, and Zn, have been determined in base metal sulfide (BMS)…”
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5
Weathering of PGE sulfides and Pt–Fe alloys in the Freetown Layered Complex, Sierra Leone
Published in Mineralium deposita (01-12-2017)“…Fresh and weathered rocks and saprolite from Horizon B of the Freetown Layered Complex contain platinum-group minerals (PGM). The PGM in the fresh rocks are…”
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Low-temperature silica-rich gold mineralization in mafic VMS systems: evidence from the Troodos ophiolite, Cyprus
Published in Mineralium deposita (01-04-2021)“…The Troodos ophiolite Cyprus hosts the on-land analogue for actively forming mafic, Cu-rich, or Cyprus-type VMS deposits. In addition to high-temperature (>…”
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Chalcophile and platinum-group element (PGE) concentrations in the sulfide minerals from the McCreedy East deposit, Sudbury, Canada, and the origin of PGE in pyrite
Published in Mineralium deposita (01-04-2011)“…Magmatic sulfide deposits consist of pyrrhotite, pentlandite, chalcopyrite (± pyrite), and platinum-group minerals (PGM). Understanding the distribution of the…”
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Evidence for As contamination and the partitioning of Pd into pentlandite and Co + platinum group elements into pyrite in the Fazenda Mirabela Intrusion, Brazil
Published in Economic geology and the bulletin of the Society of Economic Geologists (01-12-2017)“…The Fazenda Mirabela intrusion in Brazil hosts two zones of mineralization, the Santa Rita Ni-Cu sulfide ore zone occurring predominantly in an orthopyroxenite…”
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Laurite and associated PGM in the Stillwater chromitites; implications for processes of formation, and comparisons with laurite in the Bushveld and ophiolitic chromitites
Published in Canadian mineralogist (01-01-2017)“…Chromitites found in layered intrusions and ophiolite complexes are generally enriched in platinum-group elements (PGE), especially IPGE (i.e., Ir, Os,…”
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Geochemistry and mineralogy of Pd in the magnetitite layer within the upper gabbro of the Mesoarchean Nuasahi Massif (Orissa, India)
Published in Mineralium deposita (01-04-2018)“…Palladium concentrations of 1–3 ppm with an average Pt/Pd ratio of 0.15 have been located for the first time in a magnetitite layer in the Nuasahi Massif in…”
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Distribution of platinum-group elements in magmatic and altered ores in the Jinchuan intrusion, China: an example of selenium remobilization by postmagmatic fluids
Published in Mineralium deposita (01-08-2013)“…The division of platinum-group elements (PGE) between those hosted in platinum-group minerals (PGM) versus those in solid solution in base metal sulfides (BMS)…”
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Mineralogy and geochemistry of Cu-rich ores from the McCreedy East Ni-Cu-PGE deposit (Sudbury, Canada); implications for the behavior of platinum group and chalcophile elements at the end of crystallization of a sulfide liquid
Published in Economic geology and the bulletin of the Society of Economic Geologists (01-03-2014)“…Copper-rich massive sulfides are an important source of Pt and Pd in magmatic Ni-Cu-platinum group element ore deposits. At the McCreedy East deposit, Sudbury,…”
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Textural relationship of sulfide ores, PGE, and Sr-Nd-Os isotope compositions of the Triassic Piaohechuan Ni-Cu sulfide deposit in NE China
Published in Economic geology and the bulletin of the Society of Economic Geologists (01-12-2015)“…The ∼216-Ma Piaohechuan no. 4 intrusion in northeastern China, situated in the easternmost part of the Central Asian orogenic belt, is composed of…”
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The timing and formation of platinum-group minerals from the Creighton Ni-Cu-platinum-group element sulfide deposit, Sudbury, Canada; early crystallization of PGE-rich sulfarsenides
Published in Economic geology and the bulletin of the Society of Economic Geologists (01-09-2010)“…Platinum-group elements (PGE) are typically hosted in base metal sulfides and by platinum-group minerals (PGM) in Ni-Cu-PGE sulfide deposits. At Sudbury, it…”
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Alteration of platinum-group minerals and dispersion of platinum-group elements during progressive weathering of the Aguablanca Ni–Cu deposit, SW Spain
Published in Mineralium deposita (01-04-2010)“…The distribution, mineralogy and mobility of the platinum-group elements (PGE) in the surface environment are poorly understood. This study of the lower, less…”
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The osmium isotopic composition of convecting upper mantle deduced from ophiolite chromites
Published in Geochimica et cosmochimica acta (2002)“…Chromites separated from the upper mantle or lower crustal portions of 18 ophiolites ranging in age from 900 Ma to 50 Ma are examined for Re-Os isotopic…”
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17
Precious metals in urban waste
Published in Water and environment journal : WEJ (01-03-2016)“…Samples of incinerator ash from sewage operations in the UK have been analysed and all contain concentrations of over 1 ppm gold (Au), ranging up to 7 ppm,…”
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Supergene alteration of platinum-group minerals and the formation of Pd-Cu-O and Pd-I-O compounds in the Limoeiro Ni-Cu-(PGE) deposit, Brazil
Published in Canadian mineralogist (01-05-2016)“…The effects of weathering of platinum-group minerals (PGM) in the Limoeiro nickel-copper and platinum-group element [Ni-Cu-(PGE)] deposit reveal a progressive…”
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The distribution of PGE and the role of arsenic as a collector of PGE in the Spotted Quoll nickel ore deposit in the Forrestania greenstone belt, Western Australia
Published in Economic geology and the bulletin of the Society of Economic Geologists (01-12-2013)“…The Spotted Quoll PGE-bearing Ni deposit in the Forrestania greenstone belt in the Archean Yilgarn block in Western Australia is a komatiite-associated massive…”
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The first report of platinum-group minerals in magnetite-bearing gabbro, Freetown layered complex, Sierra Leone; occurrences and genesis
Published in Canadian mineralogist (01-06-2013)“…Platinum-group minerals (PGM) have been located in magnetite-bearing gabbroic rocks of the Freetown Layered Complex, Sierra Leone for the first time. The PGM…”
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