1980
DOI: 10.1038/283462a0
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Cooling-rate dependence of thermoremanent magnetisation

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Cited by 180 publications
(94 citation statements)
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“…This effect consists of a progressive increase of TRM intensity with the decrease of the cooling rate. For laboratory cooling times this effect is significant in potteries (e.g., Fox and Aitken, 1980;Chauvin et al, 2000) and occasionally for rock samples as well (Morales et al, 2006). In order to quantify the cooling rate effect, we carried out three in-field heatings after the paleointensity measurements: (a) fast-cooling (∼1 h), (b) slow-cooling (∼20 h) and (c) fast-cooling (∼1 h) again.…”
Section: Methodsmentioning
confidence: 99%
“…This effect consists of a progressive increase of TRM intensity with the decrease of the cooling rate. For laboratory cooling times this effect is significant in potteries (e.g., Fox and Aitken, 1980;Chauvin et al, 2000) and occasionally for rock samples as well (Morales et al, 2006). In order to quantify the cooling rate effect, we carried out three in-field heatings after the paleointensity measurements: (a) fast-cooling (∼1 h), (b) slow-cooling (∼20 h) and (c) fast-cooling (∼1 h) again.…”
Section: Methodsmentioning
confidence: 99%
“…Another factor affecting the Ba is the cooling rate (Fox and Aitken, 1980;Dodson and McClelland-Brown, 1980). Our laboratory cooling time (-1 hour) during the Thellier run is two orders of magnitude shorter than the cooling time occuring in antiquity (-2 days for pottery and r.7 days for bricks; Leino and Pesonen, 1994) and hence there will normally be an overestimation of Ba unless corrections are done (Pesonen and Halls, 1983).…”
Section: Cooling Ratementioning
confidence: 99%
“…This should correlate to the same amount of bias in paleointensity estimates. This prediction was directly tested in control experiments by changing the cooling time between a few minutes to tens of hours, and the prediction was generally supported, but with a large sample-to-sample variation of a factor of 3-5 (Fox and Aitken, 1980;Chauvin et al, 2000;Genevey and Gallet, 2002;Leonhardt et al, 2006;Ferk et al, 2010;Yu, 2011). For plutonic rocks, the theory predicts that the paleointensity estimate will overestimate the true field by ∼30-60%, and it has become common to use these values as correction factors (e.g., Tarduno et al, 2007;Selkin et al, 2008;Donadini et al, 2011).…”
Section: Introductionmentioning
confidence: 99%