Erosion and slope instability on Horizon Guyot, Mid-Pacific Mountains
Geo-Marine Letters
By: W. C. Schwab, H.J. Lee, R. E. Kayen, P. J. Quinterno, and G. B. Tate
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Abstract
Seismic-reflection profiles, sediment cores, and current velocities were assessed to study the impact of erosion and sediment redistribution on the pelagic sediment cap of Horizon Guyot, a flat-topped submarine volcanic ridge in the Mid-Pacific Mountains. These processes seem to concentrate their effect around the rim of the sediment cap. Sediment slumping occurs on the northwest perimeter of the guyot's sediment cap. Slope stability analysis suggests that if overconsolidation on Horizon Guyot is the result of current reworking or if local undercutting by bottom currents steepens the sea floor declivity, the sediment cap may be unstable during infrequent earthquake loading, transporting sediment from the guyot summit to the abyssal sea floor. ?? 1988 Springer-Verlag New York Inc.
Suggested Citation
Schwab, W.C., Lee, H., Kayen, R.E., Quinterno, P., and Tate, G.B., 1988, Erosion and slope instability on Horizon Guyot, Mid-Pacific Mountains: Geo-Marine Letters, v. 8, no. 1, p. 1-10, https://doi.org/10.1007/BF02238000.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Erosion and slope instability on Horizon Guyot, Mid-Pacific Mountains |
| Series title | Geo-Marine Letters |
| DOI | 10.1007/BF02238000 |
| Volume | 8 |
| Issue | 1 |
| Year Published | 1988 |
| Language | English |
| Publisher location | Springer-Verlag |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geo-Marine Letters |
| First page | 1 |
| Last page | 10 |