Dic 31 2020 This corrected ratio claims the corrected age must be virtually zero since Pb 206 /Pb 207 = 21.5 for contemporary radiogenic lead. (117, p. 36) Posted by Administrador in: christianmingle sign in This corrected ratio claims the corrected age must be virtually zero since Pb 206 /Pb 207 = 21.5 for [...] Read More