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Science 9 December 1966:
Vol. 154. no. 3754, pp. 1323 - 1325
DOI: 10.1126/science.154.3754.1323
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Articles

Kodiak Seamount Not Flat-Topped

E. L. Hamilton 1 and R. E. von Huene 2

1 U. S. Navy Electronics Laboratory, San Diego, California
2 U. S. Naval Ordnance Test Station, China Lake, California

Earlier surveys in the Aleutian Trench southeast of Kodiak Island, Alaska, indicated that Kodiak Seamount had a flat top and was a tablemount or guyot. This seamount is of special significance because it has been supposed that its surface was eroded at the same time as those of a line of guyots to the southeast. If so, its present position in the axis of the Aleutian Trench indicates that the line of guyots was formed before the trench. A two-part survey in 1965 showed that Kodiak Seamount is not flat-topped, and should be eliminated from the category of guyots. Reflection profiling records indicate that the seamount was formed before the adjacent sediments were deposited, and that the small trough, or moat, on the south side is a depositional feature probably formed by a scouring effect or by the acceleration of turbidity currents around the base of the mount.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Dredged Trachyte and Basalt from Kodiak Seamount and the Adjacent Aleutian Trench, Alaska.
R. B. Forbes, R. B. Forbes, and C. M. Hoskin (1969)
Science 166, 502-504
   Abstract »    PDF »
Spreading of the Ocean Floor: Undeformed Sediments in the Peru-Chile Trench.
D. W. Scholl, D. W. Scholl, R. von Huene, and J. B. Ridlon (1968)
Science 159, 869-871
   Abstract »    PDF »


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