string of name of column to use ('age' or 't_dm2')
alpha
alpha level
digits
number of digits
Value
1-O
References
Andersen, T., Elburg, M., Cawthorn-Blazeby, A., 2015.
U-Pb and Lu-Hf zircon data in young sediments reflect sedimentary recycling
in eastern South Africa. J. Geol. Soc. London. 2006-2015.
doi:10.1144/jgs2015-006