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| Detailed Seamount Information |
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| Osbourn Guyot |    |
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| Index | SMNT-260S-1750W |
Classification | Intermediate B1 Guyot |
| Location | 25º 56.82' S
174º 57.54' W |
Elongation
Irregularity | 1.20 ± 0.07
1.30 ± 0.01 |
| Plate Age | |
Oceanic Province | Abyssal Plain |
| Region | Louisville Seamount Trail |
Alternative Names | Osborne, SONNE 167 Volcano 23, 26.0¿S Guyot, Osborn, Ozbourn |
| Plate | Pacific Plate |
Age | |
| Tectonic Setting | Hotspot Trail |
Seamount Top | 1920 m |
| Volume | 6029 km3 |
Ocean Bottom | 4785 m |
Shelf Edge
| 2195 % |
Volcanic Activity | |
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| | Description | | Osbourn Guyot is located at 25¿ 56.8'S, 174¿ 57.4' W and is part of the Louisville Ridge on the Pacific Plate. The seamount is 2865 m high with the top at -1920 m and the ocean bottom at -4785 m. It is intermediate in size with a volume of 6028 km3 it is relatively round with an azimuth of approximately 65¿. The edges of the seamount are slightly irregular. |
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Osbourn Guyot -- Predicted satellite bathymetry |
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Osbourn Guyot -- Residual bathymetry |
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Louisville Hotspot Trail -- Blowup 1 -- Predicted satellite bathymetry |
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Louisville Hotspot Trail -- Blowup 1 -- Residual bathymetry |
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Louisville Hotspot Trail -- Tile A -- Multibeam data merged with predicted satellite bathymetry |
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Louisville Hotspot Trail -- Tile A -- Multibeam bathymetry |
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Louisville Hotspot Trail -- Tile A -- Predicted satellite bathymetry |
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Louisville Seamount Trail -- Multibeam bathymetry |
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Louisville Seamount Trail -- Predicted satellite bathymetry |
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Osbourn Guyot -- Multibeam data merged with predicted satellite bathymetry |
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Osbourn Guyot -- Multibeam bathymetry |
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Osbourn Guyot -- Predicted satellite bathymetry |
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Osbourn Guyot -- Residual bathymetry |
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Louisville Hotspot Trail -- Blowup 1 -- Multibeam data merged with predicted satellite bathymetry |
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Louisville Hotspot Trail -- Blowup 1 -- Multibeam bathymetry |
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Louisville Hotspot Trail -- Blowup 1 -- Predicted satellite bathymetry |
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Louisville Hotspot Trail -- Blowup 1 -- Residual bathymetry |
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Louisville Hotspot Trail -- Tile A -- Multibeam data merged with predicted satellite bathymetry |
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Louisville Hotspot Trail -- Tile A -- Multibeam bathymetry |
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Louisville Hotspot Trail -- Tile A -- Predicted satellite bathymetry |
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Louisville Hotspot Trail -- Tile A -- Residual bathymetry |
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Louisville Seamount Trail -- Multibeam bathymetry |
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Louisville Seamount Trail -- Predicted satellite 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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Stoffers, P., Worthington, T., Schwarz-Schampera, U., Ackermand, D., Daudoin, Y., Bigalke, N., Fretzdorff, S., Gibson, H., Hekinian, R., Kindermann, A., Kuhn, T., Main, W., Schreiber, K., Timm, C., Tonga'onevai, S., Turkay, M., Unverricht, D., Vailea, A. and Zimmerer, M. (2003). Cruise Report SONNE 167 Louisville, Louisville Ridge: Dynamics and Magmatism of a Mantle plume and its influence on the Tonga-Kermadec Subduction System. In: Ber. -Rep., Institute for Gewiss.. Universitat Kiel, Kiel. |
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Lonsdale, P. (1988). Geography and history of the Louisville hotspot chain in the South Pacific. Journal of Geophysical Research 93: doi: 10.1029/88JB01301. issn: 0148-0227. |
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Ozima, M., Kaneoka, I. and Aramaki, S. (1970). K-Ar ages of submarine basalts dredged from seamounts in the western Pacific area and discussion of oceanic crust. Earth and Planetary Science Letters 8: 237-249. doi: 10.1016/0012-821X(70)90183-4. |
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