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Statements

Subject Item
n2:RIV%2F00025798%3A_____%2F13%3A00000059%21RIV14-MSM-00025798
rdf:type
n4:Vysledek skos:Concept
rdfs:seeAlso
http://www.jgeosci.org/detail/jgeosci.147
dcterms:description
Lower Cambrian Mo–Ni sulfidic black shales from the Huangjiawan mine (Guizhou Province, south China) have anomalous platinum-group elements (PGE) concentrations (up to ~1 ppm in total). In order to identify principal PGE carriers, we used heavy mineral separates which were produced by innovative hydroseparation techniques. Subsequent detailed mineralogical study using electron microprobe did not result in the identification of discrete platinum-group minerals. Pyrite (grainy, not framboidal), millerite and gersdorffite that were identified in our heavy concentrate were analyzed for PGE and Re. We found that they contain the following concentrations of PGE and Re: pyrite (up to 490 ppm Pt, 390 ppm Pd and 220 ppm Rh), millerite (up to 530 ppm Pt, 430 ppm Pd and 190 ppm Rh) and gersdorffite (up to 410 ppm Pt and 320 ppm Pd; no Rh detected). Rhenium was detected only in grainy pyrite (up to 1060 ppm). It was found that despite anomalous PGE concentrations, the Mo–Ni black shales do not contain any platinum-group minerals and that the PGE are bound to pyrite and Ni-sulfides (millerite and gersdorffite). Lower Cambrian Mo–Ni sulfidic black shales from the Huangjiawan mine (Guizhou Province, south China) have anomalous platinum-group elements (PGE) concentrations (up to ~1 ppm in total). In order to identify principal PGE carriers, we used heavy mineral separates which were produced by innovative hydroseparation techniques. Subsequent detailed mineralogical study using electron microprobe did not result in the identification of discrete platinum-group minerals. Pyrite (grainy, not framboidal), millerite and gersdorffite that were identified in our heavy concentrate were analyzed for PGE and Re. We found that they contain the following concentrations of PGE and Re: pyrite (up to 490 ppm Pt, 390 ppm Pd and 220 ppm Rh), millerite (up to 530 ppm Pt, 430 ppm Pd and 190 ppm Rh) and gersdorffite (up to 410 ppm Pt and 320 ppm Pd; no Rh detected). Rhenium was detected only in grainy pyrite (up to 1060 ppm). It was found that despite anomalous PGE concentrations, the Mo–Ni black shales do not contain any platinum-group minerals and that the PGE are bound to pyrite and Ni-sulfides (millerite and gersdorffite).
dcterms:title
Platinum-group elements (PGE) and their principal carriers in metal-rich black shales: an overview with a new data from Mo–Ni–PGE black shales (Zunyi region, Guizhou Province, south China) Platinum-group elements (PGE) and their principal carriers in metal-rich black shales: an overview with a new data from Mo–Ni–PGE black shales (Zunyi region, Guizhou Province, south China)
skos:prefLabel
Platinum-group elements (PGE) and their principal carriers in metal-rich black shales: an overview with a new data from Mo–Ni–PGE black shales (Zunyi region, Guizhou Province, south China) Platinum-group elements (PGE) and their principal carriers in metal-rich black shales: an overview with a new data from Mo–Ni–PGE black shales (Zunyi region, Guizhou Province, south China)
skos:notation
RIV/00025798:_____/13:00000059!RIV14-MSM-00025798
n4:predkladatel
n5:ico%3A00025798
n3:aktivita
n7:I
n3:aktivity
I
n3:cisloPeriodika
3
n3:dodaniDat
n11:2014
n3:domaciTvurceVysledku
n9:7303203 n9:1142488
n3:druhVysledku
n8:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
96457
n3:idVysledku
RIV/00025798:_____/13:00000059
n3:jazykVysledku
n17:eng
n3:klicovaSlova
Mo–Ni–PGE black shale, PGE concentrations in pyrite and Ni-sulfides, Re concentration in pyrite, hydroseparation, electron microprobe study, south China
n3:klicoveSlovo
n12:PGE%20concentrations%20in%20pyrite%20and%20Ni-sulfides n12:Mo%E2%80%93Ni%E2%80%93PGE%20black%20shale n12:electron%20microprobe%20study n12:hydroseparation n12:Re%20concentration%20in%20pyrite n12:south%20China
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[E28B49B0260A]
n3:nazevZdroje
Journal of Geosciences
n3:obor
n14:DB
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n11:2013
n3:svazekPeriodika
58
n3:tvurceVysledku
Pašava, Jan Zaccarini, Federica Vymazalová, Anna Aiglsperger, Thomas
n3:wos
000329990900003
s:issn
1802-6222
s:numberOfPages
8
n15:doi
10.3190/jgeosci.147