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

Standard MagIC Data Format -- PMAG_Specimens Table -- Version 2.0
All Tables
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MagIC Data Model
F Status N Database Field Variable Name Units Required Description
R 1 Expedition Name er_expedition_name Text Required Name for seagoing or land expedition Examples are: AVON02MV
R 2 Location Name er_location_name Text Required Name for location or drill site Examples are: San Francisco Volcanic Province, Site 801
R 3 Formation Name er_formation_name Text Required Name for formation Examples are: Bluebird Formation
R 4 Member Name er_member_name Text Required Name for member Examples are: Glasshound Member
R Deleted 5 Section Name er_section_name Text Required Name for section or core Examples are: Berkeley Lava Flows, 810C, 1129D
R 6 Site Name er_site_name Text Required Name for site Examples are: Bas123a
R 7 Sample Name er_sample_name Text Required Name for sample Examples are: Bas123a-01
R 8 Specimen Name er_specimen_name Text Required Name for specimen Examples are: Bas123a-01x
R Reclassified 9 Fossil Name er_fossil_name Text Recommended Name for fossil Examples are: AMM43-03
R Reclassified 10 Mineral Name er_mineral_name Text Recommended Name for mineral Examples are: San03-001
X 11 Experiment Name magic_experiment_name Text Optional Name for experiment Examples are: KOPA-299-1
M Deleted 12 Measurement File Name measurement_file_name Text Optional Name for MagIC format text file containing measurement data Examples are: Hart.et.al.2000.data.txt
M 13 Measurement Step Minimum measurement_step_min Custom Optional Step included in calculation: lower bound
M 14 Measurement Step Maximum measurement_step_max Custom Optional Step included in calculation: higher bound
M 15 Measurement Step Unit measurement_step_unit Text Optional Step included in calculation: unit
F 16 Specimen Magnetic Polarity specimen_polarity Flag Recommended Polarity of specimen Examples are: Polarity is normal (n), reversed (r), transitional (t), excursion (e) or intermediate (i)
F 17 Specimen NRM specimen_nrm Flag Recommended Origin of the NRM is primary (p) or secondary (s)
F 18 Specimen Data Corrected specimen_correction Flag Required Indicating if an uncorrected (u) or corrected (c) estimate with regard to possible anisotropy and cooling rate corrections
F 19 Specimen Direction Type specimen_direction_type Flag Recommended Direction determined from (l) or plane (p)
20 Specimen Component Number specimen_comp_nmb Integer Recommended Magnetic component number
21 Specimen Component N specimen_comp_n Integer Recommended Total number of magnetic components in specimen
22 Specimen Component Name specimen_comp_name Text Recommended Specimen component name Examples are: Characteristic, VRM, Overprint, A, B, C
23 Specimen Inferred Age specimen_inferred_age Custom Recommended Specimen inferred age
24 Specimen Inferred Age Sigma specimen_inferred_age_sigma Custom Recommended Specimen inferred age: uncertainty Examples are: Uncertainty = 1xSD
25 Specimen Inferred Age Low specimen_inferred_age_low Custom Recommended Specimen inferred age: low range
26 Specimen Inferred Age High specimen_inferred_age_high Custom Recommended Specimen inferred age: high range
27 Specimen Inferred Age Unit specimen_inferred_age_unit Text Recommended Specimen inferred age: age unit Examples are: Ma, Ka, Ga, Years BP, Years AD (+/-), Years Cal BP, Years Cal AD (+/-)
28 Specimen Inclination specimen_inc Number in Degrees Recommended Directions in coordinates specified by tilt correction: inclination Examples are: Decimal degrees between -90 and 90
29 Specimen Declination specimen_dec Number in Degrees Recommended Directions in coordinates specified by tilt correction: declination Examples are: Decimal degrees between 0 and 360
30 Specimen MAD specimen_mad Number in Degrees Recommended Maximum angle of deviation of the best fit direction or plane
31 Specimen Alpha 95% specimen_alpha95 Number in Degrees Recommended Fisher circle Examples are: Confidence Level = 95%
32 Specimen N specimen_n Integer Recommended Number of measurements included in directional calculations
33 Specimen Tilt Correction specimen_tilt_correction Number in % Recommended Percentage tilt correction applied to the data Examples are: Correction between geographic (0%) and stratigraphic (100%); unoriented (-1%); partially oriented to horizontal only (-2%)
34 Specimen Paleo Intensity specimen_int Number in T Recommended Average field strength
35 Specimen Paleo Intensity Sigma specimen_int_sigma Number in T Recommended Average field strength: uncertainty Examples are: Uncertainty = 1xSD
36 Specimen Paleo Intensity Sigma % specimen_int_sigma_perc Number in % Recommended Average field strength: uncertainty in percent Examples are: Uncertainty = 1xSD
37 Specimen Paleo Intensity Relative specimen_int_rel Dimensionless Recommended Relative field strength
38 Specimen Paleo Intensity Relative Sigma specimen_int_rel_sigma Dimensionless Recommended Relative field strength: uncertainty Examples are: Uncertainty = 1xSD
39 Specimen Paleo Intensity Relative Sigma % specimen_int_rel_sigma_perc Number in % Recommended Relative field strength: uncertainty in percent Examples are: Uncertainty = 1xSD
40 Specimen Paleo Intensity MAD specimen_int_mad Number in Degrees Recommended Maximum angle of deviation of the best fit line
41 Specimen Paleo Intensity N specimen_int_n Integer Recommended Number of measurements included in intensity calculations
42 Specimen Weighting Factor specimen_w Dimensionless Optional Weighting factor
43 Specimen Q specimen_q Dimensionless Optional COE's quality factors: overall quality
44 Specimen f specimen_f Dimensionless Optional COE's quality factors: amount of NRM in component
45 Specimen f VDS specimen_fvds Dimensionless Optional COE's quality factors: vector difference sum of NRM components
46 Specimen b specimen_b Dimensionless Optional COE's quality factors: slope of Arai diagram
47 Specimen b Sigma specimen_b_sigma Dimensionless Optional COE's quality factors: error on slope fit Examples are: Uncertainty = 1xSD
48 Specimen Sigma over b specimen_b_beta Dimensionless Optional COE's quality factors: relative error over slope Examples are: Uncertainty = 1xSD
49 Specimen g specimen_g Dimensionless Optional COE's quality factors: the GAP factor
50 Specimen DANG specimen_dang Number in Degrees Optional Deviation angle of direction of component with respect to origin
51 Specimen Maximum MD specimen_md Number in % Optional Maximum difference between first and second zero field steps
52 Specimen Maximum pTRM specimen_ptrm Number in % Optional Classical pTRM check
53 Specimen Difference Ratio pTRM Checks specimen_drat Number in % Optional Difference in first and second pTRM measurements Examples are: Normalized by hypotenuse
54 Specimen Difference Ratio Sum specimen_drats Number in % Optional Sum of difference in first and second pTRM measurements Examples are: Normalized by pTRM
55 Specimen Maximum RSC specimen_rsc Number in % Optional Maximum relative susceptibility change
56 Specimen Viscosity Index specimen_viscosity_index Number in % Optional Viscosity index
57 Specimen Lab Field DC specimen_lab_field_dc Number in T Optional Applied DC field in laboratory Examples are: No field equals 0 and ambient field equals -1
58 Specimen Lab Field AC specimen_lab_field_ac Number in T Optional Applied maximum or peak AC field in laboratory Examples are: No field equals 0 and ambient field equals -1
59 Specimen NRM Moment specimen_moment Number in Am2 Optional Measured intensity: remanent moment
60 Specimen NRM Magnetization Volume specimen_magn_volume Number in A/m Optional Measured intensity: remanent magnetization that is volume normalized
61 Specimen NRM Magnetization Weight specimen_magn_weight Number in Am2/kg Optional Measured intensity: remanent magnetization that is weight normalized
62 Specimen Number pTRM Checks specimen_int_ptrm_n Dimensionless Optional Number of pTRM checks used in experiment
63 Specimen Correction Cooling Rate specimen_int_corr_cooling_rate Dimensionless Optional Cooling rate correction factor for intensity
64 Specimen Correction Anisotropy specimen_int_corr_anisotropy Dimensionless Optional Anisotropy correction factor for intensity
65 Specimen Description specimen_description Text Optional Detailed description
R 66 Criteria Codes pmag_criteria_codes Text Recommended Colon-delimited list of criteria codes Examples are: MY-MAD, MY-APLHA95
R 67 Rotation Codes pmag_rotation_codes Text Optional Colon-delimited list of rotation codes Examples are: MY-TILT1, MY-TILT2, MY-TRANS1
R 68 Method Codes magic_method_codes Text Required Colon-delimited list of method codes Examples are: DE-DC0, FT-F1, LP-DCDMAG
R 69 Instrument Codes magic_instrument_codes Text Required Colon-delimited list of instrument codes Examples are: SIO-Bubba, IRM-OldBlue
R 70 Analyst Names er_analyst_mail_names Text Required Colon-delimited list of names for analysts Examples are: Jim R.D. Hart, Alexis Heard, Bob McIntire
R 71 Citation Names er_citation_names Text Required Colon-delimited list of citations Examples are: Smith et al. 2003, Hart & Heard 1967, 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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