Magnetics Information Consortium (MagIC)
Development and Maintenance by the EarthRef.org Database Team

MagIC Method Codes
Code Method Type IAGA7 URL Description
IE-ARM Intensity Estimation LINK Relative paleointensity estimate from cleaned NRM normalized by ARM. Levi & Banerjee 1976.
IE-BB0 Intensity Estimation   Intensity normalized by GAD field at sampling location using 8x10^22 Am2 axial dipole moment.
IE-BETA Intensity Estimation LINK Standard error of the paleointensity estimated by total least squares (York, 1969) as the slope of the Arai Plot. Coe et al. 1978.
IE-BOOT Intensity Estimation   Thellier-type intensity and uncertainty estimated by bootstrap resampling of data. Specimen level paleointensity and uncertainty determined by averaging all combinations of 4 or more adjacent points within unblocking temperature interval; Sample level paleointensity and standard error estimated by bootstrap resampling of specimen data.. Bowles et al. 2005.
IE-CHI Intensity Estimation LINK Relative paleointensity estimate from cleaned NRM normalized by susceptibility. Harrison 1966.
IE-DRAT Intensity Estimation LINK pTRM difference ratio (DRAT). Selkin & Tauxe 2000.
IE-DRATS Intensity Estimation LINK pTRM difference ratio sum (DRATS). Tauxe & Staudigel 2004.
IE-F Intensity Estimation LINK Fraction of NRM component (Coe's F number). Coe et al. 1978.
IE-FVDS Intensity Estimation LINK Fraction of vector difference sum of NRM components. Merrill et al. 1996.
IE-IRM Intensity Estimation LINK Relative paleointensity estimate from cleaned NRM normalized by IRM. Levi & Banerjee 1976.
IE-MLAT Intensity Estimation   Paleo-latitude.
IE-MLAT-CPP Intensity Estimation   Paleo-latitude derived from site age and a contemporaneous pole position or APWP.
IE-MLAT-PR Intensity Estimation   Paleo-latitude derived from site age and plate reconstruction model.
IE-MR Intensity Estimation   Mean of the ratio (TRM/NRM) obtained for different temperature steps.
IE-R Intensity Estimation LINK Ratio of total TRM to NRM. Thellier & Thellier 1959.
IE-SH Intensity Estimation LINK Best-fit slope through Shaw data. Shaw 1974.
IE-TT Intensity Estimation LINK Best-fit slope through TT data. Coe 1967.
IE-WIN Intensity Estimation   Windowed relative intensities.
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