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Pioneer Seamount is 11.0±0.1 million years old, and is nearly equidimensional with width and length of about 12.8 kilometers. It rises about 1930 meters above the surrounding seafloor to a minimum water depth of 820 meters. It has a volume of about 135 km3. Samples recovered from Pioneer are alkalic basalt, hawaiite, and mugearite. Like samples from Davidson Seamount, all samples are highly vesicular.
MBARI provides these data "as is", with no warranty, express or implied, of the data quality or consistency. Data are provided without support and without obligation on the part of the Monterey Bay Aquarium Research Institute to assist in its use, correction, modification, or enhancement.
Pioneer Seamount data—20 meter
grid cell size |
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| Grid | Sun Illuminated Image | Acoustic
Reflectivity Image at 1/2 grid cell size |
grids\PioneerA.asc.gz grids\PioneerA.asc.gz |
geoTIFFS\sunshade\PioneerA.tif geoTIFFS\sunshade\PioneerA.tif |
geoTIFFS\backscatter\PioneerA.tif geoTIFFS\backscatter\PioneerA.tif.gz |
| Index Map | Axial Volcano | Gorda Ridge | Cleft Segment | Taney Seamounts |
| Guide, Gumdrop, Pioneer Seamounts | Mendocino Fracture Zone | President Jackson Seamount | Davidson Seamount | Vance Seamounts |