117 radiocarbon determinations collated by Dale Guthrie, R. related to
Mammuthus (mammoth) in Yukon and Alaska. Samples
are restricted to those between 25,000--6000 \({}^{14}\)C yrs BP.
Reference:
Dale Guthrie, R. New carbon dates link climatic change with human colonization
and Pleistocene extinctions. Nature 441, 207--209 (2006).
https://doi.org/10.1038/nature04604
Format
mammuthus
A data frame with 117 rows and 7 columns:
- lab_code
The sample code for the \({}^{14}\)C laboratory
- site_code
The site/museum code
- location
The location of the sample
- c14_age
The observed \({}^{14}\)C ages of the samples (in \({}^{14}\)C yr BP)
- c14_sig
The uncertainty in the observed \({}^{14}\)C ages reported by the radiocarbon laboratory
- f14c
The observed F\({}^{14}\)C concentrations
- f14c_sig
The uncertainty in the observed F\({}^{14}\)C concentrations reported by the radiocarbon laboratory