ChronData

weight (mg)

U238 (ppb)

U238_error (ppb)

Th232 (ppt)

Th232_error (ppt)

d234U ((ratio))

d234U_error (unitless)

Th230_U238activity (activity)

U_Thactivity_error (unitless)

Th230_Th232ratio (ppm)

Thratio_error (ppm)

AgeUncorrected (years ago)

AgeUncorr_error (yrs)

age (years ago)

AgeCorr_error (yrs)

dU234initial ((ratio))

dU234i_error (unitless)

Pb210excess (dpm/g)

Pb210_error (dpm/g)

Cs137gamactivity (Bq/g)

Cs137_error (Bq/g)

analysisYear (AD)

year (AD)