Geochemistry, mineralogy, and isotope composition of Pb, Zn, and Cu in primary ores, gossan and barren ferruginous crust from the Perkoa base metal deposit, Burkina Faso

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F16%3A00000064" target="_blank" >RIV/00025798:_____/16:00000064 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216208:11310/16:10326327

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.gexplo.2016.05.007" target="_blank" >http://dx.doi.org/10.1016/j.gexplo.2016.05.007</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.gexplo.2016.05.007" target="_blank" >10.1016/j.gexplo.2016.05.007</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Geochemistry, mineralogy, and isotope composition of Pb, Zn, and Cu in primary ores, gossan and barren ferruginous crust from the Perkoa base metal deposit, Burkina Faso

Popis výsledku v původním jazyce

Gossan at the Perkoa deposit of stratabound lead and zinc ores (Burkina Faso) is composed of hematite, goethite, clay minerals, minerals of the brucite group and sulfates (corkite, alunite, natroalunite, hinsdalite and hidalgonite). Compared with the barren ferruginous crust in the same area, the gossan is significantly enriched in most of chemical elements, namely As, Pb, Sb, and Zn and to lesser extent also in Ag, Ba, Cd, Mo, S, and Sr. The isotopic composition of lead in massive primary ore and in gossan is practically identical. However, the isotopic composition of lead in disseminated ores, the bleached gossan envelope, and in mineralized soils in the Perkoa area is very variable and reflects mixing of ore and lithogenic lead. The chemical weathering of sulfide-rich rocks thus gives rise to considerable variations in Cu isotopes and minor changes in Zn isotopes. Isotopic composition of copper in gossan differs from barren laterite duricrust which is more depleted in the Cu-65 isotope.

Název v anglickém jazyce

Geochemistry, mineralogy, and isotope composition of Pb, Zn, and Cu in primary ores, gossan and barren ferruginous crust from the Perkoa base metal deposit, Burkina Faso

Popis výsledku anglicky

Gossan at the Perkoa deposit of stratabound lead and zinc ores (Burkina Faso) is composed of hematite, goethite, clay minerals, minerals of the brucite group and sulfates (corkite, alunite, natroalunite, hinsdalite and hidalgonite). Compared with the barren ferruginous crust in the same area, the gossan is significantly enriched in most of chemical elements, namely As, Pb, Sb, and Zn and to lesser extent also in Ag, Ba, Cd, Mo, S, and Sr. The isotopic composition of lead in massive primary ore and in gossan is practically identical. However, the isotopic composition of lead in disseminated ores, the bleached gossan envelope, and in mineralized soils in the Perkoa area is very variable and reflects mixing of ore and lithogenic lead. The chemical weathering of sulfide-rich rocks thus gives rise to considerable variations in Cu isotopes and minor changes in Zn isotopes. Isotopic composition of copper in gossan differs from barren laterite duricrust which is more depleted in the Cu-65 isotope.

Druh

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

CEP obor

DD - Geochemie

OECD FORD obor

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Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2016

Kód důvěrnosti údajů

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

Název periodika

Journal of Geochemical Exploration

ISSN

0375-6742

e-ISSN

—

Svazek periodika

168

Číslo periodika v rámci svazku

September

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

16

Strana od-do

49-64

Kód UT WoS článku

000381648200005

EID výsledku v databázi Scopus

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