Table T3. Summary of lithologic units, Holes C0006E and C0006F. (See table note.)
Unit | Hole, core, section, interval (cm) |
Depth CSF (m) |
Thickness (m) |
Stratigraphic age |
Lithologic description |
Processes of formation |
||
---|---|---|---|---|---|---|---|---|
Top | Bottom | Top | Bottom | |||||
316- | 316- | |||||||
I | C0006E-1H-1, 0 | C0006E-4H-3, 20 | 0.00 | 27.23 | 27.2 | Pleistocene | Nannofossil-bearing mud, interbedded sand layers, and a volcanic ash layer near the base | Hemipelagic settling, turbidites, and a volcanic ash layer |
IIA | C0006E-4H-3, 20 | C0006E-12H-2, 10 | 27.23 | 72.06 | 44.8 | Pleistocene | Thick to thin sands with thin interbedded nannofossil-bearing mud layers and a volcanic ash layer | Turbidites, hemipelagic settling, and a volcanic ash layer |
IIB | C0006E-12H-2, 10 | C0006E-24X-1, 0 | 72.06 | 163.33 | 91.3 | Pleistocene | Sands interbedded with nannofossil-bearing mud, rare volcanic ash layers | Turbidites, hemipelagic settling, and rare volcanic ash layers |
IIC | C0006E-24X-1, 0 | C0006E-48X-1, 0 | 163.33 | 391.33 | 228.0 | Pleistocene | Mud with sand/silt layers and rare volcanic layers | Hemipelagic settling, thin-bedded turbidites, and rare volcanic ash falls |
IID | C0006E-48X-1, 0 | C0006F-7R-CC, 33.5 | 391.33 | 449.67 | 58.3 | Pleistocene | Mud with volcanic ash layers and rare thin silt layers | Hemipelagic settling, volcanic ash layers, and rare thin-bedded turbidites |
III | C0006F-7R-CC, 33.5 | C0006F-23R-CC, 21 | 449.67 | 603.00 | 153.3 | Pleistocene to Miocene | Mud with tuff layers | Hemipelagic settling and rare volcanic ash layers |
Note: CSF = core depth below seafloor.
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