Origin of the "calcite groats" in the Chelosiowa Cave near Kielce (Holy Cross Mts.) inferred from petrographic and isotopic investigations
Tomasz Durakiewicz, Stanisław Hałas, Zdzisław M. Migaszewski, Ján Urban
Abstract
Tomasz Durakiewicz, Stanisław Hałas, Zdzisław M. Migaszewski, Ján Urban
Abstract
The curious calcite grains (“groats”) in the Chelosiowa Cave in the Holy Cross Mts. were examined petrographically and isotopically. A model of rapid CO 2 degassing due to dehermetization of the cave interior was invoked to explain extremely negative δ 18 O values (-11 to -21‰ vs PDB) and enrichment in 13 C, up to -4‰ vs PDB. The results of petrographic and geologic investigations precluded a hydrothermal origin of the “calcite groats”.
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The curious calcite grains (“groats”) in the Chelosiowa Cave in the Holy Cross Mts. were examined petrographically and isotopically. A model of rapid CO 2 degassing due to dehermetization of the cave interior was invoked to explain extremely negative δ 18 O values (-11 to -21‰ vs PDB) and enrichment in 13 C, up to -4‰ vs PDB. The results of petrographic and geologic investigations precluded a hydrothermal origin of the “calcite groats”.
Key concepts: Calcite, Petrography, Geology, Cave, Geochemistry, Mineralogy, Speleothem, Archaeology