Robuta

https://www.usgs.gov/publications/natural-uranium-and-strontium-isotope-tracers-water-sources-and-surface-water Natural uranium and strontium isotope tracers of water sources and surface water-groundwater... Near-surface physical and chemical process can strongly affect dissolved-ion concentrations and stable isotope compositions of water in wetland settings,... natural uraniumstrontium isotopeof water https://www.usgs.gov/publications/variation-strontium-isotope-ratios-archaeological-fauna-midwestern-united-states-a Variation in strontium isotope ratios of archaeological fauna in the Midwestern United States: a... Strontium isotope values (87Sr/86Sr) in bone and tooth enamel have been used increasingly to identify non-local individuals within prehistoric human... https://www.bas.ac.uk/data/our-data/publication/strontium-isotope-correlation-of-the-basal-maastrichtian-stage-in-antarctica-to-the-european-and-us-biostratigraphic-schemes/ Strontium isotope correlation of the basal Maastrichtian Stage in Antarctica to the European and US... New 87Sr/86Sr dating allows the correlation of a marker horizon within the prolific Late Cretaceous Gunnarites antarcticus faunal assemblage of the Cape Lamb... https://ojp.gov/library/publications/isolation-strontium-pools-and-isotope-ratios-modern-human-hair Isolation of strontium pools and isotope ratios in modern human hair | Office of Justice Programs This study examined the effects of five hair-cleaning methodologies in determining the extent to which internal and external strontium signals can be isolated... https://www.usgs.gov/data/national-scale-dataset-strontium-isotope-compositions-environmental-materials-united-states National-scale dataset of strontium isotope compositions in environmental materials for the United... This database contains published strontium isotopic ratios (87Sr/86Sr) and associated sample collection data for strontium dissolved in environmental waters...