Výsledky vyhledávání - "Sarah-Jane Barnes"

A comparison of trace element concentrations in chromite from komatiites, picrites, and layered intrusions: implications for the formation of massive chromite layers

Autor: Sarah-Jane Barnes, Eduardo T. Mansur, Wolfgang D. Maier, Stephen A. Prevec

Publikováno v: Canadian Journal of Earth Sciences. 60:97-132

By examining the minor and trace element contents of chromites from three intrusions—the Bushveld Complex (South Africa), the Stillwater Complex (USA), and the Great Dyke (Zimbabwe)—and comparing these chromite compositions with those of magmas f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::219fdcdfe9e5f0c08e0cf11d5d037fb7
https://doi.org/10.1139/cjes-2022-0064

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The effects of post-cumulus alteration on the distribution of chalcophile elements in magmatic sulfide deposits and implications for the formation of low-S-high-PGE zones: The Luanga deposit, Carajás Mineral Province, Brazil

Autor: Eduardo Mansur, Sarah-Jane Barnes, Cesar F. Ferreira Filho

Publikováno v: The Canadian Mineralogist. 59:1453-1484

Most of the World's platinum-group element ore deposits occur as thin stratiform layers within layered intrusions. These layers generally contain disseminated base-metal sulfides or chromite. However, cryptic platinum-group element deposits also occu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::13c7eea23a54ca25978ab7e246b7c468
https://doi.org/10.3749/canmin.2100018

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An overview of chalcophile element contents of pyrrhotite, pentlandite, chalcopyrite, and pyrite from magmatic Ni-Cu-PGE sulfide deposits

Autor: Charley J. Duran, Sarah-Jane Barnes, Eduardo T. Mansur

Publikováno v: Mineralium Deposita. 56:179-204

We have compiled the trace element concentrations in pyrrhotite, pentlandite, chalcopyrite, and pyrite from magmatic Ni-Cu-PGE ore deposits with the aim of understanding their petrogenesis and whether these minerals can be used as indicator minerals.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::830415a2f499990383fffcb6a4e9fa19
https://doi.org/10.1007/s00126-020-01014-3

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Magnetite Chemistry by LA-ICP-MS Records Sulfide Fractional Crystallization in Massive Nickel-Copper-Platinum Group Element Ores from the Norilsk-Talnakh Mining District (Siberia, Russia): Implications for Trace Element Partitioning into Magnetite

Autor: Sarah-Jane Barnes, L. Paul Bédard, Charley J. Duran, Sarah A. S. Dare, Eduardo T. Mansur, Sergey F. Sluzhenikin

Publikováno v: Economic Geology. 115:1245-1266

Mineralogical and chemical zonations observed in massive sulfide ores from Ni-Cu-platinum group element (PGE) deposits are commonly ascribed to the fractional crystallization of monosulfide solid solution (MSS) and intermediate solid solution (ISS) f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b1986fa82ff42886d10b46c4d768ce6
https://doi.org/10.5382/econgeo.4742

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The role of Te, As, Bi, Sn and Sb during the formation of platinum-group-element reef deposits: Examples from the Bushveld and Stillwater Complexes

Autor: Sarah-Jane Barnes, Eduardo T. Mansur

Publikováno v: Geochimica et Cosmochimica Acta. 272:235-258

The distribution of platinum-group element (PGE) and Te, As, Bi, Sb and Sn (TABS) in whole-rock samples, and in disseminated base metal sulfides (BMS) pentlandite, pyrrhotite and chalcopyrite from the Bushveld and Stillwater Complexes are reported. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb834a91b227ef029e8e9191000bf5c4
https://doi.org/10.1016/j.gca.2020.01.008

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Distribution of chalcophile and platinum-group elements among pyrrhotite, pentlandite, chalcopyrite and cubanite from the Noril’sk-Talnakh ores: implications for the formation of platinum-group minerals

Autor: Eduardo T. Mansur, Charley J. Duran, Sarah-Jane Barnes, Sergey F. Sluzhenikin

Publikováno v: Mineralium Deposita. 55:1215-1232

In most magmatic sulfide deposits, platinum-group elements (PGE) are found both within the structure of the base metal sulfides (BMS), pyrrhotite (Po), pentlandite (Pn), chalcopyrite (Ccp) and cubanite (Cbn) and as platinum-group minerals (PGM). Tell

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6da2637bfe9bf7bfa803dffcc842f19d
https://doi.org/10.1007/s00126-019-00926-z

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Determination of Te, As, Bi, Sb and Se (TABS) in Geological Reference Materials and Geo PT Proficiency Test Materials by Hydride Generation‐Atomic Fluorescence Spectrometry (HG‐AFS)

Autor: Eduardo T. Mansur, Peter C. Webb, Sarah-Jane Barnes, Dany Savard

Publikováno v: Geostandards and Geoanalytical Research. 44:147-167

The study of Te, As, Bi, Sb and Se (TABS) has increased over the past years due to their use in the development of low‐carbon energy technologies. However, there is a scarcity of mass fraction values of TABS in geological reference materials. This

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1188d9c493799d34b7b1934ea5e5f23b
https://doi.org/10.1111/ggr.12289

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