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Late Pleistocene channel-levee development on Monterey submarine fan, central California

Geo-Marine Letters

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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).

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Late Pleistocene channel-levee development on Monterey submarine fan, central California
Series title:
Geo-Marine Letters
Volume
18
Issue:
3
Year Published:
1999
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geo-Marine Letters
First page:
179
Last page:
188