KAr dates of basalts 40 Ma and younger, western US, from USGS data set. Restored to position relative to Hawaiian hotspot frame, according to reconstruction model of McQuarrie and Wernicke (2005) and Atwater, plate-hotspot model of Raymond et al., (2000), recalculated to an age of 47 Ma for the Hawaiian-Emperor bend, and plate reconstruction compilation of Pilger (2007).
Google Earth Community kmz data set
Reconstruction methods
Current data set locations
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