Table 1. Conversion of Miocene oxygen- and carbon-isotope events from the geomagnetic polarity time scale to the time scale of Cande and Kent.
Event
|
Age*
(Ma) |
Age†
(Ma) |
---|---|---|
Mi1 | 23.7 | 23.7 |
Mi1a | 21.7 | 21.5 |
Mi1aa | 20.0 | 19.7 |
Mi1b | 18.3 | 18.0 |
Mi2 | 16.2 | 16.0 |
Mi3 | 13.6 | 13.6 |
Mi4 | 12.6 | 12.8 |
Mi5 | 11.3 | 11.7 |
CM1 | 16.4 | 16.2 |
CM2 | 15.8 | 16.1 |
CM3 | 15.5 | 15.4 |
CM4 | 15.1 | 15.0 |
CM5 | 14.5 | 14.4 |
CM6 | 14.1 | 14.1 |
CM7 | 11.5 | 11.9 |
Notes: * = Berggren et al. (1995); † = Cande and Kent (1995). The ages listed for the 18O maxima are from Miller et al. (1991) and Wright et al. (1992); the age for the 13C maxima (CM) are from Woodruff and Savin (1991).