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)

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F13%3A00000059" target="_blank" >RIV/00025798:_____/13:00000059 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.jgeosci.org/detail/jgeosci.147" target="_blank" >http://www.jgeosci.org/detail/jgeosci.147</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3190/jgeosci.147" target="_blank" >10.3190/jgeosci.147</a>

Jazyk výsledku

angličtina

Název v původním jazyce

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)

Popis výsledku v původním jazyce

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), milleriteand 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 ppmPd 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 con

Název v anglickém jazyce

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)

Popis výsledku anglicky

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), milleriteand 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 ppmPd 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 con

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DB - Geologie a mineralogie

OECD FORD obor

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Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2013

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Geosciences

ISSN

1802-6222

e-ISSN

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Svazek periodika

58

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

8

Strana od-do

213-220

Kód UT WoS článku

000329990900003

EID výsledku v databázi Scopus

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