ChronData

U238 (ppb)

Th230_U238activity (activity)

U_Thactivity_error ()

Th230_Th232ratio (ppm)

AgeUncorrected (AD)

AgeUncorr_error (yrs)

age (AD)

AgeCorr_error (yrs)

U234_U238initial ((ratio))

U234/U238i_error ()

year (AD)

U234_U238initial ((ratio))

U234/U238i_error ()