|
Stratigraphic datum
|
Depth (mcd)
|
Age
(Ma) |
|---|---|---|
| LO pink Globigerinoides ruber | 8.07 | 0.12 |
| FO pink Globigerinoieds ruber | 25.03 | 0.4 |
| LO Globigerinoides fistulosus | 83.4 | 1.8 |
| FO Globorotalia truncatulinoides | 96.09 | 2.0 |
| LO Globorotalia multicamerata | 101.77 | 2.4 |
| LO Dentoglobigerina altispira | 138.98 | 3.09 |
| LO Sphaeroidinellopsis seminulina (Ss. spp.) | 138.98 | 3.12 |
| FO Sphaeroidinella dehiscens | 158.08 | 3.25 |
| LO Globorotalia margaritae | 161.58 | 3.58 |
| LO Globigerina nepenthes | 180.67 | 4.2 |
| LO Sphaeroidinellopsis kochi | 196.22 | 4.53 |
| FO Globigerinoides conglobatus | 288.39 | 6.2 |
| FO Globigerinoides extremus | 435.4 | 8.3 |
| FO Neogloboquadrina acostaensis | 484.5 | 10.9 |
| FO Globigerinoides nepenthes | 502.99 | 11.8 |
Notes: FO = first occurrence, LO = last occurrence. Adopted from Li and Jian, 2001.