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| Detailed Seamount Information |
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| Lamont Guyot |    |
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| Index | SMNT-214N-1596E |
Classification | Very Large A5 Guyot |
| Location | 21º 25.50' N
159º 39.39' E |
Elongation
Irregularity | 3.50 ± 0.29
1.06 ± 0.01 |
| Plate Age | 165.9 - 168.5 Ma |
Oceanic Province | Abyssal Plain |
| Region | West Pacific Seamount Province |
Alternative Names | |
| Plate | Pacific Plate |
Age | 87 Ma |
| Tectonic Setting | Hotspot Trail |
Seamount Top | 1180 m |
| Volume | 20912 km3 |
Ocean Bottom | 5370 m |
Shelf Edge
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Volcanic Activity | |
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| | Description | | Lamont Guyot is located at 21¿ 25.5' N, 159¿ 39.4' E and is part of the West Pacific Seamount Province on the Pacific Plate. It is 4190 m high with the top at -1180 m and ocean bottom at -5370 m. The seamount is very large with a volume of 20911 km3. It is very elongated in an southeast, northwest direction with an azimuth of approximately 114¿. The edges are relatively smooth. |
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Lamont Guyot -- Multibeam data merged with predicted satellite bathymetry |
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Lamont Guyot -- Multibeam bathymetry |
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Lamont Guyot -- Predicted satellite bathymetry |
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Lamont Guyot -- Residual bathymetry |
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Lamont Guyot -- Multibeam data merged with predicted satellite bathymetry |
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Lamont Guyot -- Multibeam bathymetry |
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Lamont Guyot -- Predicted satellite bathymetry |
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Lamont Guyot -- Residual bathymetry |
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Clouard, V. and Bonneville, A. (2001). Ages of seamounts, islands and plateaus on the Pacific plate. 1-42. |
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Keating, B.H. (1987). Summary of radiometric ages from the Pacific. In: Intergovernmental Oceanographic Comission technical series. UNESCO. 32. |
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Ozima, M., Honda, M. and Saito, K. (1977). 40Ar/39Ar ages of guyots in the western Pacific and discussion of their evolution. Geophysical Journal of the Royal Astronomical Society 51(2): 475-485. |
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Heezen, B.C., Matthews, J.L., Catalano, R., Natland, J., Coogan, A., Tharp, M. and Rawson, M. (1973). Western Pacific Guyots. Initial Reports of the Deep Sea Drilling Project 20: 653-723. |
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| Depth |
Azimuth |
Area |
Length |
Width |
Elongation |
Contour |
Ellipse |
Irregularity |
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| m |
degrees |
km2 |
km |
km |
ratio |
km |
km |
ratio |
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| 2856 |
114.3 |
2378.6 |
118.8 |
31.3 |
3.796 |
243.0 |
230.2 |
1.056 |
| 3275 |
114.2 |
2888.0 |
123.6 |
35.5 |
3.485 |
263.5 |
245.8 |
1.072 |
| 3694 |
114.0 |
3468.1 |
128.7 |
40.1 |
3.212 |
278.6 |
261.7 |
1.065 |
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| 1 % Multibeam Coverage |
3.50 ± 0.29 |
1.06 ± 0.01 |
| 4190 m High |
| 2 Summits |
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