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Geochemical alteration of gastropod shells from cretaceous carbonates impacted by lateritization - Gornje Orešje, Croatia (CROSBI ID 539064)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Posilović, Hrvoje ; Bermanec, Vladimir ; Palinkaš, Vladimir ; Mikac, L. ; Kniewald, Goran Geochemical alteration of gastropod shells from cretaceous carbonates impacted by lateritization - Gornje Orešje, Croatia. 2007

Podaci o odgovornosti

Posilović, Hrvoje ; Bermanec, Vladimir ; Palinkaš, Vladimir ; Mikac, L. ; Kniewald, Goran

engleski

Geochemical alteration of gastropod shells from cretaceous carbonates impacted by lateritization - Gornje Orešje, Croatia

Leaching of the laterite mud increased concentrationof nickel, cobalt, copper, chromium, manganese, vanadium, magnesium, silicium and iron. Depending on the environment, during the early diagenetic sediment and fossil history these elements changed mineral composition of fossil shells. Magnesiumand iron is found as magnesite and siderite mineralizations of fossils, silicium is preserved as opal impregnations or complete silicifications of fossils, iron and nickel were precipitated as pyrite and millerite in the presence of organic matter. In this work we focusing on early diagenetic mineralizations of fossil organisms.

Laterite diagenesis; Environmental mineralogy; Shell alteration

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Podaci o prilogu

2007.

objavljeno

Podaci o matičnoj publikaciji

Podaci o skupu

Environmental Biogeochemistry at the Extremes, International Symposia on Environmental Biogeochemistry, ISEB 2007, Taupo New Zealand

poster

11.11.2007-16.11.2007

Taupo, Novi Zeland

Povezanost rada

Geologija