|
Core, section, interval (cm)
|
Subunit
|
Name
|
Sericite
|
Volcanic glass
|
Groundmass quartz (and in burrows)
|
Phosphatic debris
|
Microfossils
|
Fe oxides
|
Dirty carbonate
|
Fibrous metamorphic mineral
|
|---|---|---|---|---|---|---|---|---|---|---|
| Metamorphic rocks |
|
|
|
|
|
|
|
|
|
|
| 198-1213B- |
|
|
|
|
|
|
|
|
|
|
| 30R-4, 66-69 | IVA/IVB | Meta-silicified shale (phyllite) with volcanic ash | 55 | 10 | 30 | Trace | Ghosts of radiolarians and foraminifers(?) | 5 |
|
|
| 32R-4, 71-74 | IVB/IVC | Metachert |
|
|
80 |
|
Ghosts of radiolarians and foraminifers(?) | 10 | 5 | 5 |