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Filtering by: Creator Sinton, Diana Stuart Academic Affiliation College of Oceanic and Atmospheric Sciences

A tale of two large igneous provinces : geochronological and geochemical studies of the North Atlantic Volcanic Province and the Caribbean oceanic plateau

Creator:

Sinton, Christopher W.

Resource Type:

Dissertation

Full Text:

AN ABSTRACT OF THE THESIS OF Christopher W. Sinton for the
Geochemical and helium isotopic variability within the Lau Basin

Creator:

Goddard, Charlotte Ives

Abstract:

This research incorporates geochemical and helium isotopic analyses of Lau Basin volcanic glasses, along with helium isotopic analyses of water column hydrothermal plumes to better understand the processes that control the formation and evolution of this backarc basin. Lavas newly collected from the four southernmost segments of the Valu Fa...

Resource Type:

Dissertation

Full Text:

magmas (Sinton et al., 2003). The characteristic geochemical signature of island arc magmas is
Influence of the Amsterdam/St. Paul hot spot along the Southeast Indian Ridge between 77° and 88°E: Correlations of Sr, Nd, Pb, and He isotopic variations with ridge segmentation

Creator:

Nicolaysen, K. P., Frey, F. A., Mahoney, J. J., Johnson, K. T. M., and Graham, David W.

Abstract:

The submarine Amsterdam-St. Paul (ASP) Plateau, bisected by the Southeast Indian Ridge (SEIR), is a bathymetric high rising ~2 km above the surrounding seafloor that includes the islands of Amsterdam and St. Paul; this excess volcanism is attributed to a mantle hot spot. We obtained new Sr, Nd, and Pb...

Resource Type:

Article

ScholarsArchive@OSU

A tale of two large igneous provinces : geochronological and geochemical studies of the North Atlantic Volcanic Province and the Caribbean oceanic plateau

Geochemical and helium isotopic variability within the Lau Basin

Influence of the Amsterdam/St. Paul hot spot along the Southeast Indian Ridge between 77° and 88°E: Correlations of Sr, Nd, Pb, and He isotopic variations with ridge segmentation

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