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Bat Guano Influence on the Geochemistry of Cave Sediments from Modrič Cave ; Croatia (CROSBI ID 484614)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Miko, Slobodan ; Kuhta, Mladen ; Kapelj, Sanja Bat Guano Influence on the Geochemistry of Cave Sediments from Modrič Cave ; Croatia // Speleology in the third millenium: Sustainable Development of Karst Environments. Brasilia, 2001. str. 111-x

Podaci o odgovornosti

Miko, Slobodan ; Kuhta, Mladen ; Kapelj, Sanja

engleski

Bat Guano Influence on the Geochemistry of Cave Sediments from Modrič Cave ; Croatia

The entrance to the Modrič cave is located at the altitude of 30 m above sea level some 70m away from the major coastal highway Rijeka-Zadar in Croatia. The cave was formed within Cretaceous limestones, and is characterized by slightly inclined to horizontal chambers and channels, which have a total length of 829 m. Baseline contents of elements both in sediments and percolating waters were determined. Silty loams with guano contain abundant quartz, illite and taranakite and minor vivianite and high concentrations of Cu (2869 mg/kg), Zn (951 mg/kg) and Cd (28 mg/kg). Also sediments mixed with guano are enriched with light REE as well as elevated concentrations of U, Th, Rb and Hg in comparison with local topsoil. Sediments with bone fragments contain abundant quartz, illite, calcite and hydroxylapatite and minor carndallite and lower contents of heavy metals. All sediments analysed showed various degrees of contamination by Cu and Zn from dispersed guano.

bat guano; sediments; caves; geochemistry; Modrić cave; Croatia

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Podaci o prilogu

111-x.

2001.

objavljeno

Podaci o matičnoj publikaciji

Speleology in the third millenium: Sustainable Development of Karst Environments

Brasilia:

Podaci o skupu

Nepoznat skup

predavanje

29.02.1904-29.02.2096

Povezanost rada

Geologija