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Late Pleistocene Cryogenic Calcite Spherolites From The Malachitdom Cave (Ne Rhenish Slate Mountains, Germany): Origin, Unusual Internal Structure And Stable C-O Isotope Composition, Detlev Konrad Richter, Dana Felicitas Christine Riechelmann
Late Pleistocene Cryogenic Calcite Spherolites From The Malachitdom Cave (Ne Rhenish Slate Mountains, Germany): Origin, Unusual Internal Structure And Stable C-O Isotope Composition, Detlev Konrad Richter, Dana Felicitas Christine Riechelmann
International Journal of Speleology
Cryogenic calcites yielded U-series ages in the range from 15.61±0.20 ka to 14.48±0.12 ka, which is the youngest age obtained so far for this type of cryogenic cave carbonates in Europe. Most of these particles of the Malachitdom Cave (NE Brilon, Sauerland, North Rhine-Westphalia) are complex spherolites usually smaller than 1 cm. They show δ13C-values between –1 and –5 ‰ VPDB and δ18O-values ranging from –7 to –16 ‰ VPDB, the δ13C-values increase and the δ18O-values decrease from centre to border. The complex spherolites are interpreted to be formed in slowly freezing …