Results 91 to 100 of about 165,943,902 (286)
Paleonutrition in Southern Ontario: Evidence from strontium and stable isotopes [PDF]
, 1986 Studies of human palaeonutrition have recently been approached through chemical analysis of prehistoric human skeletal remains. Strontium content of bone mineral has been reported as a means of determining the relative proportions of animal and plant ...
Katzenberg, M. Anne, Schwarcz, Henry P.
core +1 more source
Using strontium isotopes to study site accumulation processes
, 2010 Strontium isotopes (87Sr/86Sr) in tooth enamel reflect the geological substrate on which an animal lived during tooth development. Therefore, strontium isotopes of teeth in fossil cave accumulations are potentially useful in determining whether an animal
Copeland, S R +8 more
core +2 more sources
New Isotopes of Strontium and Barium [PDF]
Nature, 1931 APPLICATION of high resolution to accelerated anode rays has now provided improved mass-spectra of these two elements. Strontium shows a third isotope 87 in addition to those already observed. Results with barium were only obtained with great difficulty.
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Isotopic Composition of Strontium in Carbonatites [PDF]
Nature, 1964 BAILEY has inferred that Hamilton and Deans1 have agreed with Powell et al.2 that investigations of strontium isotopes show that the source of carbonatites is exclusively from below the sial. At present the isotopic composition of strontium has been examined in well-documented carbonatites and the results clearly show that they have been derived from a
openaire +1 more source
Potential for conflict between urban coyotes and people experiencing unsheltered homelessness
Frontiers in Ecology and the Environment, EarlyView.Across North America, both unsheltered homelessness and human–coyote (Canis latrans) conflict are increasing, but the relationship between these phenomena has not been thoroughly explored. We synthesize literature‐based evidence with anecdotal observations that occurred during a 15‐year study of coyotes in Edmonton, Canada, to describe three likely ...
Sage Raymond +2 more
wiley +1 more source
Anthropological Review, 2017 This article reviews the present scenario of use of stable isotopes (mainly δ13C, δ15N, δ18O, 87Sr) to trace past life behaviours like breast feeding and weaning practices, the geographic origin, migration history, paleodiet and subsistence patterns of ...
Sehrawat Jagmahender Singh +1 more
doaj +1 more source
Geological Journal, EarlyView.Coupled dissolution‐reprecipitation of early formed Cd‐, Fe‐, Ag‐ and Sb‐poor sphalerite through interaction with high‐temperature and high‐sulphur fugacity Cu‐rich fluids, responsible for the formation of the yellow ores, resulted in the formation of Cd‐, Fe‐, Ag‐ and Sb‐rich, heavily chalcopyrite‐diseased sphalerite and enrichment of critical metals ...
Manuel Nopeia +4 more
wiley +1 more source
Geological Journal, EarlyView.The composition of intrusive rocks suggests that the magma was likely generated in a subduction‐related setting. The arc crustal thickness in the Phnom Sro Ngam and Halo Prospects was probably < 40 km during emplacement. Zircon U–Pb age range indicates a correlation with Loei Fold Belt magmatic activity.
Sirisokha Seang +6 more
wiley +1 more source
A multi-proxy study of the Kalkkop impact Crater Lake deposits in south-central South Africa: implications for late neogene climate evolution [PDF]
, 2014 Includes bibliographical references.The Kalkkop Crater Lake deposit formed as a result of a meteorite impact, and is situated ~51 km southwest of Graaff-Reinet in the Southern part of South Africa.
Mthembi, Ponani
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Determination of strontium isotope ratios in plant samples by wet ashing digestion
Results in Earth SciencesStrontium isotope provenance analysis has been widely applied across multiple disciplines, including archaeology, food science, and forensics. The establishment of bioavailable ⁸⁷Sr/⁸⁶Sr maps, known as isoscapes, which rely on a substantial number of ...
Wenyan Cheng +3 more
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