ChronData

sisalDatingId (unitless)

materialDated (unitless)

retained (unitless)

Th230/Th232 (unitless)

Th230/U238 (unitless)

Th230/U238Uncertainty (unitless)

U234/U238 (unitless)

U234/U238Uncertainty (unitless)

decayConstant (unitless)

age_type (unitless)