2022
DOI: 10.1029/2022gc010391
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Abstract: Absolute paleointensity (API) of the geomagnetic field can be estimated from volcanic rocks by comparing the natural remanent magnetization (NRM) to a laboratory‐induced thermoremanent magnetization (Lab‐TRM). Plots of NRM unblocking versus Lab‐TRM blocking from API experiments often exhibit nonideal curvature, which can result in biased estimates. Previous work showed that curvature can increase with age; however, selection criteria designed to eliminate such behavior yielded accurate estimates for two‐year‐a… Show more

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Cited by 4 publications
(1 citation statement)
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“…The predictions account for commonly encountered non-ideal behavior in paleomagnetic intensity experiments such as pTRM tails and Arai plot curvatures. The magnetic domain state changes predicted here and characterized in our relaxation phase maps, implicate MCADS grains as the source of "fragile curvature Yamamoto et al, 2022) where a long-period laboratory storage of a sample re-configures the relative room-temperature population of different domain states, and thus changes their behavior in subsequent thermal-cycling experiments. Our results also bring additional opportunities to developments in single-grain (Tarduno et al, 2001(Tarduno et al, , 2015 and micro-paleomagnetic studies (Fu et al, 2020;Out et al, 2022).…”
Section: Sv Behavior In Simulated Experimental Paleointensity Protocolsmentioning
confidence: 64%
“…The predictions account for commonly encountered non-ideal behavior in paleomagnetic intensity experiments such as pTRM tails and Arai plot curvatures. The magnetic domain state changes predicted here and characterized in our relaxation phase maps, implicate MCADS grains as the source of "fragile curvature Yamamoto et al, 2022) where a long-period laboratory storage of a sample re-configures the relative room-temperature population of different domain states, and thus changes their behavior in subsequent thermal-cycling experiments. Our results also bring additional opportunities to developments in single-grain (Tarduno et al, 2001(Tarduno et al, , 2015 and micro-paleomagnetic studies (Fu et al, 2020;Out et al, 2022).…”
Section: Sv Behavior In Simulated Experimental Paleointensity Protocolsmentioning
confidence: 64%