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Filtering by: Creator Duncan, Jennifer S. Academic Affiliation College of Oceanic and Atmospheric Sciences Has journal sim Geochemistry, Geophysics, Geosystems

Nonlinear ⁴⁰Ar/³⁹Ar age systematics along the Gilbert Ridge and Tokelau Seamount Trail and the timing of the Hawaii-Emperor Bend

Creator:

Koppers. Anthony A. P., Staudigel, Hubert, Morgan, Jason Phipps, and Dunca, Robert A.

Abstract:

Over the last three decades the first-order correlation in morphology and orientation of seamount trails has been called upon to support the concept of a ‘‘fixed’’ Pacific hot spot frame of reference and to explain the Hawaii-Emperor bend (HEB) by a dramatic change in Pacific plate motion. In this paper,...

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Robert A. Duncan College of Oceanic and Atmospheric Sciences, Oregon State University, 104 COAS
Online preconcentration ICP-MS analysis of rare earth elements in seawater

Creator:

Hathorne, Ed C., Haley, Brian, Stichel, Torben, Grasse, Patricia, Zieringer, Moritz, and Frank, Martin

Abstract:

The rare earth elements (REEs) with their systematically varying properties are powerful tracers of continental inputs, particle scavenging intensity and the oxidation state of seawater. However, their generally low (similar to pmol/kg) concentrations in seawater and fractionation potential during chemical treatment makes them difficult to measure. Here we report a...

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Article

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) Points per mass 1 Dwell time 0.1 s Sweep time 2.12 s Isotopes monitored 23Na, 89Y, 115In, 137Ba, 139La

ScholarsArchive@OSU

Nonlinear ⁴⁰Ar/³⁹Ar age systematics along the Gilbert Ridge and Tokelau Seamount Trail and the timing of the Hawaii-Emperor Bend

Online preconcentration ICP-MS analysis of rare earth elements in seawater

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