Table 6. Position, TOC value, and estimated and expected astronomical ages of the identified sapropel layers at Site 976.
Depth
(mbsf)
Sapropel
TOC
(%)
Average
age
(k.y.)
Astronomical
age
(k.y.)
2.50 S1 0.81 8.5 8
2.82 S1 0.85

20.10 S2 1.14 53 55
20.99 S2 1.06

29.42 S3 0.55 82 81
33.05 S4 0.72 102 102
33.76 S4 0.71

34.18 S4 0.66

38.65 S5 0.49 123 124
39.10 S5 0.46

Note: Total organic carbon = wt% of whole sample. Ages are based on Lourens et al. (1996).