Magnetics Information Consortium (MagIC)
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Standard MagIC Data Format -- pmag_criteria Table -- Version 2.5
All Tables
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MagIC Data Model
F Status N Database Field Variable Name Units Required Description
P 1 Criteria Code pmag_criteria_code Text Required Criteria type name or number Examples are: MY-MAD, MY-APLHA95
2 Criteria Definition criteria_definition Text Required Definition of the criteria
X 3 Experiment Name List magic_experiment_names Text Optional Colon-delimited list of experiments Examples are: KOPA-299-1
M 4 Measurement Step Minimum measurement_step_min Custom Optional Step included in calculation, Lower bound
M 5 Measurement Step Maximum measurement_step_max Custom Optional Step included in calculation, Higher bound
M 6 Measurement Step Unit measurement_step_unit Text Optional Step included in calculation, Unit
F 7 Specimen Magnetic Polarity specimen_polarity Flag Optional Polarity is normal (n), reversed (r), transitional (t), excursion (e) or intermediate (i)
F 8 Specimen NRM specimen_nrm Flag Optional Origin of the NRM is primary (p) or secondary (s)
Inserted 9 Specimen FRAC specimen_frac Dimensionless Optional NRM fraction used for the best-fit on an Arai plot determined entirely by vector difference sum calculation
F 10 Specimen Direction Type specimen_direction_type Flag Optional Direction determined from a line (l) or plane (p)
11 Specimen Component Number specimen_comp_nmb Integer Optional Magnetic component number
12 Specimen MAD specimen_mad Number in Degrees Optional Maximum angle of deviation of the best fit direction or plane Examples are: Criterion = maximum
13 Specimen Alpha 95% specimen_alpha95 Number in Degrees Optional Fisher circle Examples are: Criterion = maximum; Confidence Level = 95%
Redefined 14 Number of Measurements specimen_n Integer Optional Number of measurements included in directional calculations Examples are: Criterion = minimum
15 Specimen Paleo Intensity Sigma specimen_int_sigma Number in T Optional Average field strength, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
16 Specimen Paleo Intensity Sigma % specimen_int_sigma_perc Number in % Optional Average field strength, Uncertainty in percent Examples are: Criterion = maximum; Uncertainty = 1xSD
17 Specimen Paleo Intensity Relative Sigma specimen_int_rel_sigma Dimensionless Optional Relative field strength, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
18 Specimen Paleo Intensity Relative Sigma % specimen_int_rel_sigma_perc Number in % Optional Relative field strength, Uncertainty in percent Examples are: Criterion = maximum; Uncertainty = 1xSD
19 Specimen Paleo Intensity MAD specimen_int_mad Number in Degrees Optional Maximum angle of deviation of the best fit line Examples are: Criterion = maximum
20 Specimen Paleo Intensity N specimen_int_n Integer Optional Number of measurements included in intensity calculations Examples are: Criterion = minimum
Inserted 21 Specimen Alpha Prime specimen_alpha_prime Number in Degrees Optional Angular difference between the anchored best-fit direction from the paleointensity experiment and an independent measure of the paleomagnetic direction
Inserted 22 Specimen Alpha specimen_alpha Number in Degrees Optional Angular difference between the anchored and free-floating best-fit directions on a vector component diagram
Inserted 23 Specimen Paleointensity Alpha specimen_int_alpha Number in Degrees Optional Angular difference between the anchored and free-floating best-fit directions on a vector component diagram from a paleointensity experiment
Inserted 24 Specimen MAD Anchored specimen_mad_anc Number in Degrees Optional Maximum Angular Deviation (MAD) of the anchored directional PCA fits to the paleomagnetic vector
Inserted 25 Specimen Paleointensity MAD Anchored specimen_int_mad_anc Number in Degrees Optional Maximum Angular Deviation (MAD) of the anchored directional PCA fits to the paleomagnetic vector from a paleointensity experiment
26 Specimen Weighting Factor specimen_w Dimensionless Optional Weighting factor Examples are: Criterion = maximum
27 Specimen Q specimen_q Dimensionless Optional COE's quality factors, Overall quality Examples are: Criterion = minimum
28 Specimen f specimen_f Dimensionless Optional COE's quality factors, Amount of NRM in component Examples are: Criterion = minimum
29 Specimen f VDS specimen_fvds Dimensionless Optional COE's quality factors, Vector difference sum of NRM components Examples are: Criterion = minimum
30 Specimen b Sigma specimen_b_sigma Dimensionless Optional COE's quality factors, Error on slope fit Examples are: Criterion = maximum; Uncertainty = 1xSD
31 Specimen Sigma over b specimen_b_beta Dimensionless Optional COE's quality factors, Relative error over slope Examples are: Criterion = maximum; Uncertainty = 1xSD
32 Specimen g specimen_g Dimensionless Optional COE's quality factors, The GAP factor Examples are: Criterion = minimum
Inserted 33 Specimen Gap Max specimen_gmax Dimensionless Optional The maximum gap between two points in Arai plot determined by vector arithmetic
Inserted 34 Specimen Squared Correlation Coefficient specimen_r_sq Dimensionless Optional The squared correlation coefficient to estimate the strength of the linear relationship between the NRM and TRM over the best-fit Arai plot segment
Inserted 35 Specimen Squared Coefficient of Determination specimen_coeff_det_sq Dimensionless Optional The squared coefficient of determination to estimate variance accounted for by the linear model fit on an Arai plot
36 Specimen DANG specimen_dang Number in Degrees Optional Deviation angle of direction of component with respect to origin Examples are: Criterion = maximum
37 Specimen Maximum MD specimen_md Number in % Optional Maximum difference between first and second zero field steps Examples are: Criterion = maximum
Inserted 38 Specimen DRAT Tail Check specimen_tail_drat Number in % Optional Maximum absolute difference produced by a pTRM tail check, normalized by the length of the best-fit line
Inserted 39 Specimen delta TR specimen_dtr Number in % Optional Maximum absolute difference produced by a pTRM tail check, normalized by the NRM (obtained from the intersection of the best-fit line and the y-axis on an Arai plot)
40 Specimen Maximum pTRM specimen_ptrm Number in % Optional Classical pTRM check Examples are: Criterion = maximum
Inserted 41 Specimen delta CK specimen_dck Number in % Optional Maximum absolute difference produced by a pTRM check, normalized by the total TRM (obtained from the intersection of the best-fit line and the x-axis on an Arai plot)
Inserted 42 Specimen maxDEV specimen_maxdev Number in % Optional Maximum absolute difference produced by a pTRM check, normalized by the length of the TRM segment of the best-fit line on an Arai plot
43 Specimen Difference Ratio pTRM Checks specimen_drat Number in % Optional Difference in first and second pTRM measurements Examples are: Criterion = maximum
Inserted 44 Specimen Mean DRAT specimen_mdrat Number in % Optional The average difference produced by a pTRM check, normalized by the length of the best-fit line
Inserted 45 Specimen Cumulative DRAT specimen_cdrat Number in % Optional Cumulative difference ratio difference produced by a pTRM check
46 Specimen Difference Ratio Sum specimen_drats Number in % Optional Sum of difference in first and second pTRM measurements Examples are: Criterion = maximum
Inserted 47 Specimen Mean DEV specimen_mdev Number in % Optional Mean deviation of a pTRM check
Inserted 48 Specimen delta pal specimen_dpal Number in % Optional A measure of cumulative alteration determined by the difference of the alteration corrected intensity estimate (Valet et al., 1996) and the uncorrected estimate, normalized by the uncorrected estimate (Leonhardt et al., 2004a)
Inserted 49 Specimen delta T specimen_dt Dimensionless Optional The extent of a pTRM tail after correction for angular dependence
Inserted 50 Specimen delta AC specimen_dac Number in % Optional The maximum absolute additivity check difference normalized by the total TRM (obtained from the intersection of the best-fit line and the x-axis on an Arai plot
Inserted 51 Specimen Number Additivity Checks specimen_ac_n Integer Optional The number of additivity checks used to analyze the best-fit segment on an Arai plot
Inserted 52 Specimen Arai Curvatute specimen_k Dimensionless Optional The curvature of the Arai plot as determined by the best-fit circle to all of the data
Inserted 53 Specimen K SSE specimen_k_sse Dimensionless Optional The quality of the best-fit circle used to determine k
54 Specimen Maximum RSC specimen_rsc Number in % Optional Maximum relative susceptibility change Examples are: Criterion = maximum
Inserted 55 Specimen Z specimen_z Dimensionless Optional Arai plot zigzag parameter calculated using the scatter around the best-fit slope on an Arai plot
Inserted 56 Specimen IZZI MD specimen_z_md Dimensionless Optional Arai plot zigzag parameter calculated by the area bounded by the curve that the ZI points make and the curve that the IZ points make
F Inserted 57 Specimen Scatter specimen_scat Flag Optional All pTRM checks, MD checks, IZ ZI data, etc. are in the box (g, the default, = good or b=bad)
58 Specimen Viscosity Index specimen_viscosity_index Number in % Optional Viscosity index Examples are: Criterion = maximum
59 Specimen Magnetization Moment specimen_magn_moment Number in Am2 Optional Measured magnetic moment Examples are: Criterion = minimum
60 Specimen Magnetization Volume specimen_magn_volume Number in A/m Optional Measured intensity of magnetization, Volume normalized Examples are: Criterion = minimum
61 Specimen Magnetization Mass specimen_magn_mass Number in Am2/kg Optional Measured intensity of magnetization, Mass normalized Examples are: Criterion = minimum
Redefined 62 Specimen Number pTRM Checks specimen_int_ptrm_n Integer Optional Number of pTRM checks used in paleointensity experiment
Inserted 63 Specimen Correction Non-Linear TRM specimen_int_corr_nlt Dimensionless Optional Non-linear TRM correction factor for intensity
Inserted 64 Specimen Paleointensity DANG specimen_int_dang Number in Degrees Optional The angle between the free-floating best-fit direction and the vector connecting the center of mass and the origin of the vector component diagram
Inserted 65 Specimen CRM % specimen_int_crm Number in % Optional The cumulative deflection between the NRM vectors and the ChRM direction
Inserted 66 Specimen Number pTRM Tail Checks specimen_int_ptrm_tail_n Integer Optional Number of pTRM tail checks used in paleointensity experiment
67 Specimen Delta specimen_delta Number in Degrees Optional Maximum angle of deviation between assumed NRM and measured NRM in perpendicular paleointensity method Examples are: Criterion = maximum
Redefined 68 Specimen Theta specimen_theta Number in Degrees Optional The angle between the applied field direction and the ChRM direction of the NRM as determined from the free-floating PCA fit to the selected demagnetization steps of the paleointensity experiment
69 Specimen Gamma specimen_gamma Number in Degrees Optional Maximum angle of deviation between acquired pTRM direction and assumed applied field direction Examples are: Criterion = maximum
F Inserted 70 Speciman Remanence Anistropy F-test specimen_aniso_ftest_flag Flag Optional Pass/fail F-test for 95% confidence of remanence anistropy tensor calculation (g, the default, = good or b=bad)
F 71 Sample Magnetic Polarity sample_polarity Flag Optional Polarity is normal (n), reversed (r), transitional (t), excursion (e) or intermediate (i)
F 72 Sample NRM sample_nrm Flag Optional Origin of the NRM is primary (p) or secondary (s)
F 73 Sample Direction Type sample_direction_type Flag Optional Direction determined from a line (l) or plane (p)
74 Sample Component Number sample_comp_nmb Integer Optional Magnetic component number
75 Sample Sigma sample_sigma Number in Degrees Optional Directions in sample coordinates, Circular standard deviation Examples are: Criterion = maximum; Uncertainty = 1xSD
76 Sample Alpha 95% sample_alpha95 Number in Degrees Optional Fisher circle Examples are: Criterion = maximum; Confidence Level = 95%
Redefined 77 Number of Samples sample_n Integer Optional Number of specimens included in directional calculations Examples are: Criterion = minimum
78 Sample N Best-Fit Lines sample_n_lines Integer Optional Number of specimens included based on best-fit lines Examples are: Criterion = minimum
79 Sample N Best-Fit Planes sample_n_planes Integer Optional Number of specimens included based on best-fit planes Examples are: Criterion = minimum
80 Sample K sample_k Dimensionless Optional Fisher's dispersion parameter Kappa Examples are: Criterion = minimum
81 Sample R sample_r Dimensionless Optional Resultant Fisher vector Examples are: Criterion = minimum
82 Sample Tilt Correction sample_tilt_correction Number in % Optional Percentage tilt correction applied to the data Examples are: Criterion = minimum
83 Sample Paleo Intensity Sigma sample_int_sigma Number in T Optional Average field strength, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
84 Sample Paleo Intensity Sigma % sample_int_sigma_perc Number in % Optional Average field strength, Uncertainty in percent Examples are: Criterion = maximum; Uncertainty = 1xSD
85 Sample Paleo Intensity Relative Sigma sample_int_rel_sigma Dimensionless Optional Relative field strength, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
86 Sample Paleo Intensity Relative Sigma % sample_int_rel_sigma_perc Number in % Optional Relative field strength, Uncertainty in percent Examples are: Criterion = maximum; Uncertainty = 1xSD
87 Sample Paleo Intensity N sample_int_n Integer Optional Number of specimens included in intensity calculations Examples are: Criterion = minimum
88 Sample Magnetization Moment sample_magn_moment Number in Am2 Optional Measured magnetic moment Examples are: Criterion = minimum
89 Sample Magnetization Volume sample_magn_volume Number in A/m Optional Measured intensity of magnetization, Volume normalized Examples are: Criterion = minimum
90 Sample Magnetization Mass sample_magn_mass Number in Am2/kg Optional Measured intensity of magnetization, Mass normalized Examples are: Criterion = minimum
Inserted 91 Sample Remanence Mean Anisotropy Degree sample_aniso_mean Number in % Optional The mean remanence anistropy degree (Tau1/Tau3) of a sample in units of precentage (%)
F 92 Site Magnetic Polarity site_polarity Flag Optional Polarity is normal (n), reversed (r), transitional (t), excursion (e) or intermediate (i)
F 93 Site NRM site_nrm Flag Optional Origin of the NRM is primary (p) or secondary (s)
F 94 Site Direction Type site_direction_type Flag Optional Direction determined from a line (l) or plane (p)
95 Site Component Number site_comp_nmb Integer Optional Magnetic component number
96 Site Sigma site_sigma Number in Degrees Optional Directions in stratigraphic coordinates, Circular standard deviation Examples are: Criterion = maximum; Uncertainty = 1xSD
97 Site Alpha 95% site_alpha95 Number in Degrees Optional Fisher circle Examples are: Criterion = maximum; Confidence Level = 95%
98 Number of Samples site_n Integer Optional Number of samples included in directional calculations Examples are: Criterion = minimum
99 Number of Samples from Best-Fit Lines site_n_lines Integer Optional Number of samples included based on best-fit lines Examples are: Criterion = minimum
100 Number of Samples from Best-Fit Planes site_n_planes Integer Optional Number of samples included based on best-fit planes Examples are: Criterion = minimum
101 Site K site_k Dimensionless Optional Fisher's dispersion parameter Kappa Examples are: Criterion = minimum
102 Site R site_r Dimensionless Optional Resultant Fisher vector Examples are: Criterion = minimum
103 Site Tilt Correction site_tilt_correction Number in % Optional Percentage tilt correction applied to the data Examples are: Criterion = minimum
104 Site Paleo Intensity Sigma site_int_sigma Number in T Optional Average field strength, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
105 Site Paleo Intensity Sigma % site_int_sigma_perc Number in % Optional Average field strength, Uncertainty in percent Examples are: Criterion = maximum; Uncertainty = 1xSD
106 Site Paleo Intensity Relative Sigma site_int_rel_sigma Dimensionless Optional Relative field strength, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
107 Site Paleo Intensity Relative Sigma % site_int_rel_sigma_perc Number in % Optional Relative field strength, Uncertainty in percent Examples are: Criterion = maximum; Uncertainty = 1xSD
108 Site Paleo Intensity N site_int_n Integer Optional Number of samples included in intensity calculations Examples are: Criterion = minimum
109 Site Magnetization Moment site_magn_moment Number in Am2 Optional Measured magnetic moment Examples are: Criterion = minimum
110 Site Magnetization Volume site_magn_volume Number in A/m Optional Measured intensity of magnetization, Volume normalized Examples are: Criterion = minimum
111 Site Magnetization Mass site_magn_mass Number in Am2/kg Optional Measured intensity of magnetization, Mass normalized Examples are: Criterion = minimum
112 Average Age Minimum average_age_min Custom Optional Average age based on multiple sites or samples, Minimum Examples are: Criterion = minimum
113 Average Age Maximum average_age_max Custom Optional Average age based on multiple sites or samples, Maximum Examples are: Criterion = maximum
114 Average Age Sigma average_age_sigma Custom Optional Average age based on multiple sites or samples, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
E 115 Average Age Unit average_age_unit Text Optional Average age based on multiple sites or samples, Age unit Examples are: Ma, Ka, Ga, Years BP, Years AD (+/-), Years Cal BP, Years Cal AD (+/-)
116 Average Sigma average_sigma Number in Degrees Optional Directions in stratigraphic coordinates, Standard deviation Examples are: Criterion = maximum; Uncertainty = 1xSD
117 Average Alpha 95% average_alpha95 Number in Degrees Optional Fisher circle Examples are: Criterion = maximum; Confidence Level = 95%
118 Average N Sites average_n Integer Optional Number of sites included in directional calculations Examples are: Criterion = minimum
119 Average N Samples average_nn Integer Optional Number of samples included in directional calculations Examples are: Criterion = minimum
Inserted 120 Average N Specimens average_nnn Integer Optional Number of specimens included in directional calculations Examples are: Criterion = minimum
121 Average K average_k Dimensionless Optional Fisher's dispersion parameter Kappa Examples are: Criterion = minimum
122 Average R average_r Dimensionless Optional Resultant Fisher vector Examples are: Criterion = minimum
123 Average Intensity Sigma average_int_sigma Number in T Optional VGP field strength, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
124 Average Intensity Relative Sigma average_int_rel_sigma Dimensionless Optional Relative VGP field strength, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
125 Average Intensity Relative Sigma % average_int_rel_sigma_perc Number in % Optional Relative VGP field strength, Uncertainty in percent Examples are: Criterion = maximum; Uncertainty = 1xSD
126 Number of Sites average_int_n Integer Recommended Number of sites included in intensity calculations
127 Number of Samples average_int_nn Integer Recommended Number of samples included in intensity calculations
Inserted 128 Number of Specimens average_int_nnn Integer Recommended Number of specimens included in intensity calculations
129 VGP DP vgp_dp Number in Degrees Optional Parallel latitude, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
130 VGP DM vgp_dm Number in Degrees Optional Meridian, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
131 VGP Sigma vgp_sigma Number in Degrees Optional Virtual geomagnetic pole, Circular standard deviation Examples are: Criterion = maximum; Uncertainty = 1xSD
132 VGP Alpha 95% vgp_alpha95 Number in Degrees Optional Fisher circle Examples are: Criterion = maximum; Confidence Level = 95%
133 VGP N vgp_n Integer Optional Number of data points included in VGP calculations Examples are: Criterion = minimum
134 VDM Sigma vdm_sigma Number in Am2 Optional Virtual dipole moment, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
135 VDM N vdm_n Integer Optional Number of data points included in VDM calculations Examples are: Criterion = minimum
136 VADM Sigma vadm_sigma Number in Am2 Optional Virtual axial dipole moment, Uncertainty Examples are: Criterion = maximum; Uncertainty = 1xSD
137 VADM N vadm_n Integer Optional Number of data points included in VADM calculations Examples are: Criterion = minimum
Inserted 138 Remanence Anisotropy Alteration anisotropy_alt Number in % Optional Comparison of 1st and 2nd TRMs in TRM anisotropy experiment Examples are: Criterion = maximum
139 Criteria Description criteria_description Text Optional Detailed description
R 140 Citation Names er_citation_names Text Required Colon-delimited list of citation DOIs Examples are: 10.1029/92JB01202, 10.1029/2003GC000635:This study, "10.1023/A:1015035228810":This study
Standard MagIC Data Format v2.0
Standard MagIC Data Format v2.1
Standard MagIC Data Format v2.2
Standard MagIC Data Format v2.3
Standard MagIC Data Format v2.4
Standard MagIC Data Format v2.5
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