Table T3. Summary of lithologic units, Holes C0007A, C0007B, and C0007C. (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 | C0007A-1H-1, 0 | C0007C-3H-5, 80 | 0.00 | 33.94 | 33.94 | Pleistocene | Nannofossil-bearing mud, interbedded sand layers (thinning upward), and volcanic ash layers | Hemipelagic settling, turbidites, and volcanic ash layers; slumping |
IIAi | C0007C-3H-5, 80 | C0007C-8X-2, 98 | 33.94 | 73.99 | 40.05 | Pleistocene | Thick to thin sands (thickening upward) with thin interbedded nannofossil-bearing mud layers and volcanic ash layers | Turbidites, hemipelagic settling, and volcanic ash layers |
IIB | C0007C-8X-2, 98 | C0007C-12X-1, 0 | 74.00 | 109.59 | 35.6 | Pleistocene | Sands (thinning upward) interbedded with nannofossil-bearing mud | Turbidites, hemipelagic settling |
IIAii | C0007C-12X-1, 0 | C0007C-17H-CC, 13 | 109.59 | 159.13 | 49.54 | Pleistocene | Thinning and fining-upward beds of gravel and sand with thin interbeds of nannofossil-bearing mud | Gravelly and sandy turbidites, hemipelagic settling |
Note: CSF = core depth below seafloor.
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