Posts by Anthony Koppers

Shatsky Rise Expedition

Shatsky Rise Expedition

IODP Expedition 324 to Shatsky Rise, located ~1500 km east of Japan, aimed to drill the only large oceanic plateau that formed during a time of magnetic reversals. This provides a unique situation whereby we understand the intimate relation of the Shatsky Rise to the ridge tectonics of ~140 million years ago very well. The allows us to test whether a plume or plate-tectonic processes are the main...

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New Lab Website

New Lab Website

Welcome to the new website for the OSU Argon Geochronology Laboratory. Here we explain how we employ the 40Ar/39Ar dating method using two rare gas mass spectrometers, one 20-year-old MAP 215-50 single collector and one brand-new ARGUS VI multi-collector that is currently being readied for analyses. We also have added a section on our ongoing Projects, which the PI’s and students keep...

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Koppers et al. (2008)

Koppers et al. (2008)

Samoa Reinstated as a Primary Hotspot Trail Samoan mantle plume.

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