StrontiumSequences
Where sequential sampling data are available, e.g. from laser ablation data on single teeth or sequential sampling (which may sometimes overlap) of hair or nails.
Column name	Data type	Column description
2SD_87Sr/86Sr	decimal	Propagated from external reproducibility (2SD) obtained from primary standard during the analytical session combined with the within-run precision of each analyses (2SE) (Iolite Version 2.5)
2SE_84Sr/86Sr	decimal	Within-run precision of each analyses (2SE) (Iolite Version 2.5)
2SE_87Rb/86Sr	decimal	Within-run precision of each analyses (2SE) (Iolite Version 2.5)
2SE_87Sr/86Sr	decimal	Within-run precision of each analyses (2SE) (Iolite Version 2.5)
84Sr/86Sr	decimal	Ratio of 84Sr/86Sr
87Rb/86Sr	decimal	Ratio of 87Rb to 86Sr
87Sr/86Sr	decimal	Strontium isotopic ratio (87Sr/86Sr)
Datapoints/slice	tinyint	Number of datapoints per slice
Material	varchar	Material on which analysis completed; e.g. dentine, enamel
Mean_SrBeam	decimal	Average of total Sr beam intensity in V (sum of 84Sr, 86Sr, 87Sr, 88Sr)
notes	varchar
ppm	tinyint	Estimated Sr concentration
SequenceOrder	tinyint	Rank order of sequence (lower numbers are closer to root)
SequenceTime	tinyint	Duration of reading in seconds
StrontiumID	smallint	References the strontium table for sample that has been sequencesd (such as a tooth)
StrontSliceID	varchar	Primary key
TaxonCode	varchar	Species of the animal on which the analysis was completed