Musina Seamount | |
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Index | SMNT-025N-1729E |
Classification | Very Small B2 Seamount |
Location | 2º 30.09' N 172º 53.95' E |
Elongation Irregularity | 1.94 ± 0.01 1.30 ± 0.07 |
Plate Age | 141.4 - 141.4 Ma |
Oceanic Province | Abyssal Plain |
Region | Gilberts Ridge |
Alternative Names | |
Plate | Pacific Plate |
Age | |
Tectonic Setting | Hotspot Trail |
Seamount Top | 2045 m |
Volume | 90 km3 |
Ocean Bottom | 3595 m |
Shelf Edge
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Volcanic Activity | Extinct |
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| Description | Musina Seamount is located at 2¿ 30.3' N, 172¿ 54.0' E and is part of the Gilberts Ridge region on the Pacific Plate. The seamount is 2104 m high with the top at -2100 m and the ocean bottom at -4204 m. It has a volume of 728 km3 and is slightly elongated with an azimuth of approximately 155¿. The edges are irregular and there are several rifts radiating out from a central peak. A small saddle to the north connects Musina to the Burtaritari Atoll. |
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Musina Seamount -- Multibeam data merged with predicted satellite bathymetry |
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Musina Seamount -- Multibeam bathymetry |
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Musina Seamount -- Predicted satellite bathymetry |
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Musina Seamount -- Residual bathymetry |
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Gilberts Ridge -- Multibeam data merged with predicted satellite bathymetry |
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Gilberts Ridge -- Multibeam bathymetry |
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Gilberts Ridge -- Predicted satellite bathymetry |
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Gilberts Ridge -- Residual bathymetry |
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Musina Seamount -- Multibeam data merged with predicted satellite bathymetry |
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Musina Seamount -- Multibeam bathymetry |
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Musina Seamount -- Predicted satellite bathymetry |
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Musina Seamount -- Residual bathymetry |
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Gilberts Ridge -- Multibeam data merged with predicted satellite bathymetry |
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Gilberts Ridge -- Multibeam bathymetry |
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Gilberts Ridge -- Predicted satellite bathymetry |
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Gilberts Ridge -- Residual bathymetry |
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High resolution 40Ar/39Ar ages for the Gilberts Ridge: sample AVON2-5-5 -- graphs, spreadsheet |
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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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2665 |
146.1 |
20.9 |
7.7 |
4.0 |
1.950 |
24.1 |
17.6 |
1.373 |
2820 |
147.1 |
29.0 |
8.9 |
4.6 |
1.931 |
26.2 |
20.6 |
1.270 |
2975 |
148.4 |
39.1 |
10.3 |
5.3 |
1.942 |
29.9 |
24.0 |
1.248 |
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100 % Multibeam Coverage |
1.94 ± 0.01 |
1.30 ± 0.07 |
1550 m High |
1 Summit |
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