Table T1. General trend in biogenic silica with depth.
|
Depth (mcd) |
Biogenic opal (wt%) | |
|---|---|---|
Range
|
Mean
|
|
| 20-24.5 | 15-36 | 24.0 ± 5.1 |
| 29-39 | 7-25 | 15.6 ± 4.5 |
| 38-44 | 5-35 | 10.6 ± 4 |
| 44-45 | 2-5 | 5.4 ± 1.5 |
Note: Biogenic opal mean is given ±1 standard deviation.