Table T6. Age estimates of planktonic foraminiferal datum events considered for Expedition 346.
| Event and species | Berggren et al., 1985a and 1985b age (Ma) |
Cande and Kent, 1992 age (Ma) |
GTS2012 age (Ma) |
Zone (Maiya, 1978) |
References |
|---|---|---|---|---|---|
| X Neogloboquadrina pachyderma coiling change dextral to sinistral | 0.37 | 0.37 | 0.38 | PF9 | Lyle et al., 1997 |
| LO Neogloboquadrina kagaensis | 0.7 | PF7 | Kucera and Kennett, 2000 | ||
| FO Temporally high abundance of Globorotalia inflata (#1 bed) | 0.9–1.0 | PF9/PF8 | Miwa, 2014 | ||
| X Neogloboquadrina pachyderma coiling change sinistral to dextral | 1.14–1.24 | PF8/PF7 | Miwa, 2014 | ||
| FO Neogloboquadrina humerosa | 1.1 | 1.2 | 1.22 | PF7 | Lyle et al., 1997 |
| LO Temporally high abundance of Globorotalia inflata (#2 bed) | 1.24–1.34 | PF7 | Miwa, 2014 | ||
| FO Globorotalia inflata | 1.46–1.67 | PF7 | Miwa, 2014 | ||
| LO Neogloboquadrina asanoi | 1.8 | PF7 | Motoyama et al., 2004 | ||
| X Neogloboquadrina pachyderma coiling change dextral to sinistral | 1.8 | PF7 | Miwa, 2014 | ||
| X Neogloboquadrina pachyderma coiling change sinistral to dextral | 2.22 | PF7 | Miwa, 2014 | ||
| LO Temporally high abundance of Globorotalia inflata praeinflata | 2.5 | PF7 | Miwa, 2014 | ||
| FO Globorotalia tosaensis | 3 | 3.1 | 3.09 | PF7 | Lyle et al., 1997 |
| LO Sphaeroidinellopsis spp. | 3.1 | 3.2 | 3.19 | PF7 | Lyle et al., 1997 |
| FO Temporally high abundance of Globorotalia inflata praeinflata (#3 bed) | 3.25 | PF7/PF6 | Miwa, 2014 | ||
| FO Globorotalia inflata praeinflata | 3.2 | 3.3 | 3.3 | PF6 | Lyle et al., 1997 |
| FO Neogloboquadrina asanoi | 4.2 | PF6 | Miwa, 2014 | ||
| LO Temporally high abundance of Globorotalia ikebei | 4.3 | PF6 | Miwa, 2014 | ||
| FO Neogloboquadrina acostaensis | 4 | 4.2 | 4.4 | PF6 | Lyle et al., 1997 |
| X Neogloboquadrina pachyderma coiling change dextral to sinistral | 4.7–4.8 | PF6 | Miwa, 2014 | ||
| FO Temporally high abundance of Globorotalia ikebei | 4.7–4.8 | PF6 | Miwa, 2014 | ||
| LO Globorotalia puncticulata | 4.4 | 4.6 | 4.789 | PF6 | Lyle et al., 1997 |
| LO Barren of planktonic foraminifers | 5.3 | PF6/PF5 | Miwa, 2014 | ||
| FO Barren of planktonic foraminifers | 8.6 | PF5/PF4 | Miwa, 2014 | ||
| X Neogloboquadrina pseudopachyderma coiling change sinistral to dextral | 8.6 | PF5/PF4 | Miwa, 2014 | ||
| X Neogloboquadrina pseudopachyderma coiling change dextral to sinistral | 11.6 | PF4 | Miwa, 2014 | ||
| LO Globorotalia rikuchuensis | 11.6 | PF4 | Miwa, 2014 | ||
| FO Neogloboquadrina pseudopachyderma | 12.4 | PF4/PF3 | Miwa, 2014 | ||
| FO Orbulina spp. | 14.8 | PF2/PF1 | Shackleton et al., 1999 |
FO = first occurrence, LO = last occurrence, X = changes in coiling direction. Bold = zonal markers.
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