Oceanography The Official Magazine of
The Oceanography Society
Volume 23 Issue 01

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Volume 23, No. 1
Pages 40 - 41

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SPOTLIGHT • Jasper Seamount

By Jasper G. Konter , Hubert Staudigel , and Jeffrey Gee 
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First Paragraph

Jasper Seamount is a submarine volcano in the Fieberling-Guadalupe seamount trail, located off the coast of Baja California, Mexico. It rises from the 4000-m-deep seafloor to a summit depth of 700 m (Figure 1). Detailed geophysical, geochemical, and geological studies there provide an in-depth geological understanding of a seamount that approaches our knowledge of subaerial volcanoes. Active-source seismic experiments at Jasper Seamount resulted in the first seismic velocity models of an intraplate seamount (Hammer et al., 1994). Marine gravity and magnetics surveys, combined with analyses of the physical properties, geochemistry, and geochronology of dredge samples, enabled scientists to develop a detailed model of its internal structure (Gee et al., 1988, 1991; Pringle et al., 1991).

Citation

Konter, J.G., H. Staudigel, and J. Gee. 2010. Spotlight 2: Jasper Seamount. Oceanography 23(1):40–41, https://doi.org/10.5670/oceanog.2010.74.

References

Gee, J., L. Tauxe, J.A. Hildebrand, H. Staudigel, and P. Lonsdale. 1988. Nonuniform magnetization of Jasper Seamount. Journal of Geophysical Research 93:12,159–12,175.

Gee, J., H. Staudigel, and J.H. Natland. 1991. Geology and petrology of Jasper Seamount. Journal of Geophysical Research 96:4,083–4,105.

Hammer P.T.C, L.M. Dorman, J.A. Hildebrand, and B.D. Cornuelle. 1994. Jasper Seamount structure: Seafloor seismic refraction tomography. Journal of Geophysical Research 99:6,731–6,752.

Konter, J.G., H. Staudigel, J. Blichert-Toft, B.B. Hanan, M. Polvé, G.R. Davies, N. Shimizu, and P. Schiffman. 2009. Geochemical stages at Jasper Seamount and the origin of intraplate volcanoes. Geochemistry, Geophysics, Geosystems 10, Q02001, https://doi.org/10.1029/2008GC002236.

Pringle, M.S., H. Staudigel, and J. Gee. 1991. Jasper Seamount: Seven million years of volcanism. Geology 19:364–368.

Wessel, P., D.T. Sandwell, and S.-S. Kim. 2010. The global seamount census. Oceanography 23(1):24–33.

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