Late Pleistocene channel-levee development on Monterey submarine fan, central California
Geo-Marine Letters
By: W. R. Normark
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Abstract
Much of the modern upper (proximal) Monterey fan is a channel–levee complex, the Upper Turbidite Sequence (UTS), that was deeply eroded after the channel breached a volcanic ridge to reach a deeper base level. Ages of sediment samples collected with the ALVIN submersible from the deepest outcrop within the channel–levee system, 390 m below the adjacent western levee crest, indicate that the UTS deposits accumulated at ≥1 m ka−1 during the last 500 ka. Neogene and Early Pleistocene sediment accumulation on the fan prior to the UTS was much slower (<0.03 m ka−1), and underlying turbidite systems(?) had substantially different morphologic expression(s).
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Late Pleistocene channel-levee development on Monterey submarine fan, central California |
| Series title | Geo-Marine Letters |
| DOI | 10.1007/s003670050066 |
| Volume | 18 |
| Issue | 3 |
| Year Published | 1999 |
| Language | English |
| Publisher | Springer |
| Description | 10 p. |
| First page | 179 |
| Last page | 188 |
| Country | United States |
| State | California |
| Other Geospatial | Monterey fan |