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(2020) Compound-Specific Radiocarbon Dating of Soil and Sedimentary Leaf Waxes in an Arid High-Altitude Environment

Aichner B, Rethemeyer J, Gierga M, Stolz A, Mętrak M, Wilk M, Sachse D, Rajabov I & Mischke S


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Bernhard Aichner View abstracts at 4 conferences in series
Janet Rethemeyer View abstracts at 3 conferences in series
Merle Gierga
Alexander Stolz
Monika Mętrak
Mateusz Wilk
Dirk Sachse View all 2 abstracts at Goldschmidt2020
Ilhomjon Rajabov View abstracts at 2 conferences in series
Steffen Mischke View abstracts at 4 conferences in series

Listed below are questions that have been submitted by the community that the author will try and cover in their presentation. To submit a question, ensure you are signed in to the website. Authors or session conveners approve questions before they are displayed here.

Submitted by Sarah Feakins on
Hi Bernhard, Interesting that leaf wax CSRA are within range of the bulk 14C ages. What do you find might explain the young age for the C31 alkane in one of the two samples? thanks, Sarah

Submitted by Marisa Repasch on
Hi Bernhard, thanks for the nice presentation. At what depths were the soil samples collected? Did you make TOC concentration measurements for those samples? Variability in organic carbon concentration might indicate different amounts of vertical soil mixing and downward mobilization of modern plant material. I also find it strange that the nC31 age is so much younger than the nC29 age for the one sediment sample. Curious to hear your thoughts. Could it be contamination?

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