Upslope deposition of extremely distal turbidites: An example from the Tiburon Rise, west-central Atlantic
Geology
By: J. Dolan, C. Beck, and Y. Ogawa
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Abstract
Terrigenous silt and sand turbidites recovered from the crest of the Tiburon Rise in the west-central Atlantic represent an unprecedented example of upslope turbidite deposition in an extremely distal setting. These Eocene-Oligocene beds, which were derived from South America more than 1000 km to the southeast, were probably deposited by extremely thick (>1500 m) turbidity currents that flowed parallel to the southern margin of the rise. We suggest that flow thickness was the dominant control on deposition of these beds, rather than true upslope flow. This interpretation points out the importance of local bathymetry on the behavior of even extremely distal turbidity currents.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Upslope deposition of extremely distal turbidites: An example from the Tiburon Rise, west-central Atlantic |
| Series title | Geology |
| DOI | 10.1130/0091-7613(1989)017<0990:UDOEDT>2.3.CO;2 |
| Volume | 17 |
| Issue | 11 |
| Year Published | 1989 |
| Language | English |
| Publisher | Geological Society of America |
| Description | 5 p. |
| First page | 990 |
| Last page | 994 |
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