Earth is capable of experiencing true polar shift
Geological and paleomagnetic evidence strongly demonstrates that Earth is capable of experiencing true polar wander, wherein the solid Earth shifts relative to its rotation axis.
The claim that Earth experiences true polar wander is a specific, well-established geological phenomenon supported directly by multiple recent studies (e.g., papers 0, 2, 3, 7, and 8) using paleomagnetic data and mantle dynamics models. None of the retrieved papers refute the concept; rather, they incorporate true polar wander into paleogeographic reconstructions and mantle-convection simulations.
van Hinsbergen DJ, de Groot LV, van Schaik SJ, Spakman W, Bijl PK, Sluijs A, Langereis CG, Brinkhuis H. A Paleolatitude Calculator for Paleoclimate Studies.. 2015. https://doi.org/10.1371/journal.pone.0126946
Discusses how paleolatitude calculations must account for true polar wander to prevent significant errors.
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Wang R, Shen B, Lang X, Wen B, Mitchell RN, Ma H, Yin Z, Peng Y, Liu Y, Zhou C. A Great late Ediacaran ice age.. 2023. https://doi.org/10.1093/nsr/nwad117
Leverages paleomagnetic evidence for a 90-degree reorientation of continents due to true polar wander during the Ediacaran period.
Jing X, Yang Z, Mitchell RN, Tong Y, Zhu M, Wan B. Ordovician-Silurian true polar wander as a mechanism for severe glaciation and mass extinction.. 2022. https://doi.org/10.1038/s41467-022-35609-3
Demonstrates a large and fast true polar wander event occurring 450-440 million years ago based on paleomagnetic data.
Marianne Greff-Lefftz, Boris Robert, Jean Besse. 300 Million Years of Mantle Dynamics: Subduction, True Polar Wander, and Earth's Surface Evolution. 2025. https://doi.org/10.5194/egusphere-egu25-3805
Uses mantle dynamics models to reveal significant shifts in Earth's rotation axis and true polar wander over the last 300 million years.
Thomas Frasson, Stéphane Labrosse, Henri-Claude Nataf, Nicolas Coltice. True polar wander and heat flux patterns at the core-mantle boundary in a mantle convection simulation. 2022. https://doi.org/10.5194/egusphere-2022-1172
Explores true polar wander in mantle convection models driven by changes in the Earth's inertia tensor.
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