Sediment mass-flow processes on a depositional lobe, outer Mississippi Fan
Journal of Sedimentary Research
By: W. C. Schwab, H.J. Lee, D.C. Twichell, J. Locat, C.H. Nelson, W.G. McArthur, and Neil H. Kenyon
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Abstract
SeaMARC 1A sidescan-sonar imagery and cores from the distal reaches of a depositional lobe on the Mississippi Fan show that channelized mass flow was the dominant mechanism for transport of silt and sand during the formation of this part of the fan. Sediments in these flows were rapidly deposited once outside of their confining channels. The mass flows most likely originated from slope failure at the head of the Mississippi Canyon or on the outer continental shelf and flowed approximately 500 km to the distal reaches of the fan, with debris flow being the dominant flow type.
Suggested Citation
Schwab, W.C., Lee, H., Twichell, D., Locat, J., Nelson, C., McArthur, W., and Kenyon, N.H., 1996, Sediment mass-flow processes on a depositional lobe, outer Mississippi Fan: Journal of Sedimentary Research, v. 66, no. 5, p. 916-927, https://doi.org/10.1306/D426843C-2B26-11D7-8648000102C1865D.
ISSN: 1938-3681 (online)
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Sediment mass-flow processes on a depositional lobe, outer Mississippi Fan |
| Series title | Journal of Sedimentary Research |
| DOI | 10.1306/D426843C-2B26-11D7-8648000102C1865D |
| Volume | 66 |
| Issue | 5 |
| Year Published | 1996 |
| Language | English |
| Contributing office(s) | Woods Hole Coastal and Marine Science Center |
| Description | 12 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Sedimentary Research |
| First page | 916 |
| Last page | 927 |
| Country | United States |
| State | Mississippi |
| Other Geospatial | Gulf of Mexico |