How did the Andes Mountains get so huge? A new geological research method may hold the answer

Pacific absolute plate-motion change as obtained from a hotspot reference frame (red; from Wessel and Kroenke (2008)) versus as obtained from RPM analysis (blue; fixed Eurasia plate). Map shows the 30% confidence interval ellipse for the PA Euler pole change for each ensemble. Inset shows the magnitude-change distribution for the aforementioned Euler-vector ensembles. Map uses Mollweide projection centered at 60E. Credit: Earth and Planetary Science Letters (2023). DOI: 10.1016/j.epsl.2023.118009

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News Source: phys.org


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