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Magnetostratigraphy

Five plots showing the paleosecular variation of the geomagnetic field in the composite record from Black Sea cores.
Posted inEditors' Highlights

Marine Isotope Stage 6: First High-Resolution Field Record

by Mark J. Dekkers 12 May 202128 September 2021

A 200-year resolution record from the Black Sea for marine isotope stage 6 (130-180 ka) shows a stable geomagnetic field.

Graph, based on a dataset of paleomagnetic data from a Swedish lake binned in 150-year intervals, showing the classical uncertainty measure plotted against the new proposed uncertainty measure that takes propagated measurement uncertainty into account.
Posted inEditors' Highlights

Uncertainty Propagation in Paleomagnetic Data Quantified

by Mark J. Dekkers 29 July 202023 July 2020

In classic paleomagnetic data processing uncertainties are calculated at a single level only, but there is now a more lucid way to include error propagation.

Posted inResearch Spotlights

Challenging the Day Diagram, a Rock Magnetism Paradigm

by Terri Cook 22 May 2018

A critique of the plot routinely used to determine bulk magnetic properties concludes the technique is so ambiguous that new approaches to understanding magnetic mineral assemblages must be developed.

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