作者
Leandro Gallo, Mat Domeier, Facundo Sapienza, Nicholas Swanson-Hysell, Bram Vaes, Yiming Zang, Maëlis Arnould, Boris Robert, Tobias Rolf, Annique van der Boon
发表日期
2023/5
期刊
EGU General Assembly Conference Abstracts
页码范围
EGU-10000
简介
Our understanding of paleogeography through Earth history relies heavily on apparent polar wander paths (APWPs), which represent the time-dependent position of Earth's spin axis relative to a given tectonic plate. However, there are a number of limitations associated with conventional approaches to APWP construction. First, the paleomagnetic record contains significant uncertainty in individual pole positions that is not propagated into APWPs. This traditional approach makes it difficult to incorporate age and positional uncertainty into synthesized paths and assigns equal weight to paleomagnetic poles with vastly different numbers of underlying sites. Second, the effective propagation of site-level uncertainties into the APWP requires a transformation that renders traditional parametric assumptions (ie, Fisher statistics) on the pole level ineffective. Here, we overcome these limitations with a bottom-up Monte Carlo …
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L Gallo, M Domeier, F Sapienza, N Swanson-Hysell… - EGU General Assembly Conference Abstracts, 2023