Hotspot motion and radiometric ages along hotspot tracks

With Anthony Koppers and Robert Duncan, the modelled age progression along Louisville and Hawaii hotspot tracks was compared to radiometric ages along the tracks (shown here on a perspective image of the Hawaii-Emperor chain), under special consideration of re-dated samples along the Louisville track. We could show that with modelled hotspot motion the re-dated ages could be fit better than with fixed hotspots. For the Samoa hotspot, the modelled and observed hotspot tracks and age progression are compared in a paper by Stan Hart.

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