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Academic literature on the topic 'Strontium isotopes'

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Published: 4 June 2021
Last updated: 22 June 2024

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Journal articles on the topic "Strontium isotopes"

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Rossi, Mattia, Paola Iacumin, and Gianpiero Venturelli. "87Sr/86Sr Isotope Ratio as a Tool in Archaeological Investigation: Limits and Risks." Quaternary 7, no. 1 (January 11, 2024): 6. http://dx.doi.org/10.3390/quat7010006.

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During the last forty years, the use of strontium isotopes in archaeology and biogeochemical research has spread widely. These isotopes, alone or in combination with others, can contribute to trace past and present environmental conditions. However, the interpretation of the isotopic values of strontium is not always simple and requires good knowledge of geochemistry and geology. This short paper on the use of strontium isotopes is aimed at those who use this tool (archaeologists, but not only) but who do not have a thorough knowledge of mineralogy, geology, and geochemistry necessary for a good understanding of natural processes involving these isotopes. We report basic knowledge and suggestions for the correct use of these isotopes. The isotopic characteristics of bio-assimilable strontium depend not so much on the isotopic characteristics of the bulk rock as, rather, on those of its more soluble minerals. Before studying human, animal and plant remains, the state of conservation and any conditions of isotopic pollution should be carefully checked. Samples should be collected according to random sampling rules. The data should be treated by a statistical approach. To make comparisons between different areas, it should be borne in mind that the study of current soils can be misleading since the mineralogical modification of soil over time can be very rapid.
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Pollard, A. M. "Isotopes and impact: a cautionary tale." Antiquity 85, no. 328 (May 2011): 631–38. http://dx.doi.org/10.1017/s0003598x00068034.

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There can be no doubt that isotopic studies have made a huge contribution to archaeology in recent years, so much so that isotope archaeology is now seen as an essential subdiscipline of archaeology in much the same way as isotope geochemistry is a key subdiscipline of geochemistry. Ignoring for current purposes the contribution made by the measurement of a particular radioactive isotope of carbon (14C) since 1950, we can date the beginnings of isotope archaeology to the mid 1960s with the first measurements of lead isotopes in archaeological metals and slags by Brill and Wampler (1965, 1967). This was followed by carbon stable isotopes in human bone collagen in the late 1970s, building on previous work measuring σ13C in archaeological bone for radiocarbon determinations (Vogel & Van der Merwe 1977; Van der Merwe & Vogel 1978). Other isotopes followed rapidly, such as nitrogen, oxygen, sulphur and hydrogen for archaeological, palaeoecological or palaeoclimatological purposes and, more recently, the heavier radiogenic isotopes of strontium and neodymium for determining the provenance of organic and inorganic materials (Pollard & Heron 2008).
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Szostek, Krzysztof, Katarzyna Mądrzyk, and Beata Cienkosz-Stepańczak. "Strontium isotopes as an indicator of human migration – easy questions, difficult answers." Anthropological Review 78, no. 2 (June 1, 2015): 133–56. http://dx.doi.org/10.1515/anre-2015-0010.

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AbstractIsotope analyses of bones and teeth allow us to study phenomena which occurred in the history of human species and which are difficult to capture by traditional anthropological methods. Measuring oxygen, nitrogen and carbon isotope levels in the skeleton makes it possible to reconstruct climatic changes, diet and/or the weaning process. Among isotopes used in such analyses are strontium isotopes, helpful in analysing migration and studying the mobility of historical and prehistoric human populations. In this respect, the proportion of two isotopes, the heavier87Sr and the lighter86Sr, is measured, following their extraction from the bioapatite of the bone mineral. Released from rocks in the weathering process, strontium permeates individual components of inanimate and animate environments, and then finds its way, together with food, to the human body. Thanks to comprehensive environmental studies and the measurement of the strontium ratio87Sr/86Sr in various animal tissues it is possible to determine the local isotope background for the environment. Values obtained by analysing human skeletons referenced against the range of environmental isotope variability enable researchers to trace back the location inhabited by the individual or group.
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Levenets, V. V., O. Yu Lonin, O. P. Omelnik, A. O. Shchur, and G. V. Prostantinov. "Determination of the deactivating properties of shampoos for cesium, strontium and cobalt." Nuclear Physics and Atomic Energy 24, no. 2 (June 25, 2023): 162–69. http://dx.doi.org/10.15407/jnpae2023.02.162.

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The decontamination properties of shampoos for cesium, strontium, and cobalt were determined. The method has been developed for determining the decontaminating properties of shampoos. The chemical part of the study includes the preparation of hair, which consists of forced pollution and subsequent washing. Stable isotopes were used in the work. This has increased the safety of staff during chemical hair research. The analytical part includes the quantitative determination of the cesium, strontium, and cobalt in the hair, which was carried out by the Particle-Induced X-ray Emission (PIXE) method using the analytical nuclear-physical complex "Sokol". Various shampoos were analyzed, and their decontamination properties were determined. During the research, various samples of shampoos, which are presented on the market of Ukraine, were considered. It has been established that TM "Ringo" shampoo has the best deactivating properties for cesium (Kd - 574.0) and insignificant deactivating properties for strontium (Kd - 3.1) and cobalt (Kd - 3.6). It was determined that with multi-isotope contamination (a mixture of cesium, strontium, and cobalt isotopes) decrease in the deactivation coefficient for all isotopes was observed, which is due to the competition factor of the isotopes in the complexation process with shampoo. Reduction of decontaminating properties was observed on all samples of shampoos.
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Price, T. Douglas, Corina Knipper, Gisela Grupe, and Václav Smrcka. "Strontium Isotopes and Prehistoric Human Migration: The Bell Beaker Period in Central Europe." European Journal of Archaeology 7, no. 1 (2004): 9–40. http://dx.doi.org/10.1177/1461957104047992.

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Human skeletal remains from Bell Beaker graves in southern Germany, Austria, the Czech Republic, and Hungary were analyzed for information on human migration. Strontium isotope ratios were measured in bone and tooth enamel to determine if these individuals had changed ‘geological’ residence during their lifetimes. Strontium isotopes vary among different types of rock. They enter the body through diet and are deposited in the skeleton. Tooth enamel forms during early childhood and does not change. Bone changes continually through life. Difference in the strontium isotope ratio between bone and enamel in the same individual indicates change in residence. Results from the analysis of 81 Bell Beaker individuals indicated that 51 had moved during their lifetime. Information on the geology of south-central Europe, the application of strontium isotope analysis, and the relevant Bell Beaker sites is provided along with discussion of the results of the study.
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HASSAN, Israa Mudher, and Sameera Ahmed EBRAHIEM. "CALCULATIONS OF RADII FOR STRONTIUM ISOTOPES( 78-100SR) USING DEFORMATION COEFFICIENTS." MINAR International Journal of Applied Sciences and Technology 03, no. 02 (June 1, 2021): 92–99. http://dx.doi.org/10.47832/2717-8234.2-3.12.

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In this study, to calculate the isotope radii of strontium ( 78-100Sr), the deformation coefficients which depend on (b2,d) and the root mean square radius ( )are calculated. The main and secondary elliptical parts( a, b) , with the difference between them (ΔR)are taken. These parameters are calculated for the even-paired of78-100Sr isotopes (Z =38).The low transition probability B(E2) and the deformation parameters δ which in turn depend on the electric quadrupole moments arecalculated using the equations of the deformed coat model. The variety of shapes of the nuclei for the selected isotopes is observed by drawing three-dimensional (axially symmetric) shapes and two-dimensional shapes of strontium isotopes to distinguish between them using quasi-large (a) and quasi-small (b) Axes.
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Price, T. Douglas, Vera Tiesler, William J. Folan, and Robert H. Tykot. "CALAKMUL AS A CENTRAL PLACE: ISOTOPIC INSIGHTS ON URBAN MAYA MOBILITY AND DIET DURING THE FIRST MILLENNIUM AD." Latin American Antiquity 29, no. 3 (July 24, 2018): 439–54. http://dx.doi.org/10.1017/laq.2018.31.

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Isotopic investigations of human burials from excavations of the Autonomous University of Campeche (CIHS) at the prehispanic Maya capital of Calakmul in southeastern Mexico, near the border with Guatemala, include determination of radiocarbon dates; carbon and nitrogen isotope ratios in collagen; and strontium, carbon, and oxygen isotope ratios in tooth enamel. A total of 22 human and 5 faunal samples analyzed for strontium isotopes reveal a narrow range of variation in values, pointing to the likely local origin of over two-thirds of the central population of Calakmul, including two of its rulers. Carbon and nitrogen data confirm a typical Classic Maya diet at the site and identify a diet high in meat consumption for one dynastic individual. Interpreted jointly, the isotopic information offers new perspectives on the provenience and lifestyles of the residents of Calakmul, including a potential place of origin for the royal occupant of chamber tomb Burial VII-1.
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Price, T. Douglas, James H. Burton, Paul D. Fullagar, Lori E. Wright, Jane E. Buikstra, and Vera Tiesler. "Strontium Isotopes and the Study of Human Mobility in Ancient Mesoamerica." Latin American Antiquity 19, no. 2 (June 2008): 167–80. http://dx.doi.org/10.1017/s1045663500007781.

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We analyzed strontium isotopes in more than 500 samples of shell, bone, and dental enamel from modern and archaeological contexts throughout Mesoamerica. The results correspond closely with expectations based upon the local geology and earlier measurements of geological materials. The results show that isotopic variation is significant across Mesoamerica. Thus strontium isotope ratios in dental enamel, which mark the place of childhood residence, can be used not only to document mobility but also in some cases to determine geographic origin. We present five archaeological case studies to illustrate the anthropological significance and range of applications for this technique: the origins of individuals in the “Oaxaca Barrio” at Teotihuacan, a northern origin for the founder of Copan, a local king at Tikal, the regional origin of two of Palenque's rulers, and individuals of African birth in a colonial cemetery in Campeche.
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Nguyen, Minh Quy, Long Hoang, Thi Thu Huong Le, Van Huan Luong, and Thi Tuong Hanh Vo. "Identifying the sources of produced water in the oil field by isotopic techniques." Nuclear Science and Technology 4, no. 2 (June 30, 2014): 32–41. http://dx.doi.org/10.53747/jnst.v4i2.226.

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The objective of this study is to identify the sources of the formation water in the Southwest Su Tu Den (STD SW) basement reservoir. To achieve the objective, isotopic techniques along with geochemical analysis for chloride, bromide, strontium dissolved in the water were applied. The isotopic techniques used in this study were the determination of water stable isotopes signatures (δ2H and δ18O) and of the 87Sr/86Sr ratio of strontium in rock cutting sample and that dissolved in the formation water. The obtained results showed that the stable isotopes compositions of water in the Lower Miocene was -3‰ and -23‰ for δ18O and δ2H, respectively indicating the primeval nature of seawater in the reservoir. Meanwhile, the isotopic composition of water in the basement was clustered in a range of alternated freshwater with δ18O and δ2H being –(3-4)‰ and -(54-60)‰, respectively). The strontium isotopes ratio for water in the Lower Miocene reservoir was lower compared to that for water in the basement confirming the different natures of the water in the two reservoirs. The obtained results are assured for the techniques applicability, and it is recommended that studies on identification of the flow-path of the formation water in the STD SW basement reservoir should be continued.
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Malikov, Sh R., M. B. Yuldashev, and O. O. Amanov. "Prospects for the application of nuclear reactor with homogeneous solution fuel for the production of medical radioisotopes." Journal of Physics: Conference Series 2642, no. 1 (November 1, 2023): 012006. http://dx.doi.org/10.1088/1742-6596/2642/1/012006.

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Abstract The use of isotopes in medicine has opened up new possibilities for the diagnosis and treatment of many diseases. One of the effective radiopharmaceuticals is the strontium-89 isotope, which is used to treat many cancers, including bone cancer. Spreading and sorbing in the bone tissue (as an analog of calcium), strontium has both therapeutic and long-term analgesic effects. This allows you to do without drugs and saves the patient from severe drug addiction. Therefore, obtaining the radioisotope strontium-89 is a very serious task.
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Dissertations / Theses on the topic "Strontium isotopes"

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Jones, Charles Edward. "Strontium isotopes in Jurassic and Early Cretaceous seawater." Thesis, University of Oxford, 1992. http://ora.ox.ac.uk/objects/uuid:fe3733bd-8e31-4bba-a78b-6d8275a0075f.

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The collection and analysis of a large number of belemnites and oysters with excellent biostratigraphic and diagenetic control has resulted in a highly detailed determination of the seawater Sr-isotope curve through the Jurassic and Early Cretaceous. The new data confirm the broad trends established by previous work, but the much sharper resolution of the new data allows the application of Sr-isotope stratigraphy with an optimal stratigraphic resolution of ± 1 to 4 ammonite subzones (± 0.5 to 2 Ma). The data show a general decline from the Hettangian (Early Jurassic) to a minimum in the Callovian and Oxfordian (Middle/Late Jurassic). This is followed by an increase through the Kimmeridgian (Late Jurassic) to a plateau reached in the Barremian (Early Cretaceous). In addition, there are major negative excursions in the Pliensbachian/Toarcian (Early Jurassic) and Aptian/Albian (Early Cretaceous). Stable isotope data collected from belemnites and oysters have resulted in the most extensive Jurassic δ13C and δ18O database to date. While both the carbon and oxygen data appear to give reasonable marine signals, the scatter in the data suggests that future research must document possible biological fractionation effects and develop better indicators for the diagenetic alteration of 613C and 6i 8O. The final chapter documents an unexpected correlation between sudden shifts in the Sr-isotope curve, the occurrence of positive 513C excursions, and the eruption of flood basalts. In the Jurassic and Cretaceous there is a correlation in time between sudden downward shifts in the Sr-isotope curve (Pliensbachian, Aptian, Cenomanian/Turonian), the occurance of positive 613C excursions, and the eruption of flood basalts. Each of these major downward shifts in the Sr-isotope curve is followed by a sudden upward shift, which although associated with a positive 613C excursion is not associated with an episode of flood basalt volcanism. In the Cenozoic the Sr-isotope curve no longer displays downward shifts, but the correlation continues between the occurrence of flood basalts and positive 513C excursions. Several lines of evidence suggest that the eruption of flood basalts is associated with pulses of hydrothermal activity, and that this hydrothermal activity brings about the conditions necessary for the genesis of carbon-burial events.
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Cruz, Steffen James. "Single particle structure of exotic strontium isotopes." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/61928.

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The sudden onset of ground state deformation and the emergence of shape-coexisting states in the vicinity of N~60 and Z~40 has been a subject of substantial interest for many years. It has been shown that the emergence of deformed low-energy configurations can be explained in the shell model by the evolution of single particle structure and the interaction between protons and neutrons in certain valence orbitals. However, the numerous theoretical models that have been developed for this transitional region are limited by the experimental data that is available. In particular, a description of the underlying single particle configurations of low energy states is essential for a detailed description of this region. In this work, the single particle structure of states in ⁹⁵Sr and ⁹⁶Sr has been investigated through the one-neutron transfer reactions ⁹⁵ ⁹⁶Sr(d,p) in inverse kinematics at TRIUMF. In each of these experiments, a 5.5 MeV/u Sr beam was impinged on a 5.0 mg/cm² CD₂ target, and emitted particles and γ-rays were detected using the SHARC and TIGRESS detector arrays, respectively. Using an angular distribution analysis, firm spin assignments have been made for the first time of the low-lying 352 keV, 556 keV and 681 keV excited states in ⁹⁵Sr from ⁹⁴Sr(d,p), and a constraint has been made on the spin of the higher-lying 1666 keV excited state in ⁹⁵Sr. Similarly, angular distributions have been extracted for 14 states in 96Sr from ⁹⁵Sr(d,p), and new experimental constraints have been assigned to the spins and parities of 8 states in ⁹⁶Sr. Additionally, two new states in ⁹⁶Sr have been identified in this work. A measurement of the mixing strength between the 1229 keV and 1465 keV shape-coexisting states in ⁹⁶Sr was also made, which was found to be a²=0.48(17).
Science, Faculty of
Physics and Astronomy, Department of
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Fawcett, M. J. "High sensitivity collinear spectroscopy on strontium isotopes." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233278.

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Wallace, Jenelle. "Reconstructing Equid Mobility in Miocene Florida Using Strontium Isotopes." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1530269000198412.

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Yobregat, Elsa. "Les isotopes du strontium et du baryum dans le Système Solaire précoce." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEN002/document.

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Des anomalies nucléosynthétiques ont été observées dans des météorites pour plusieurs éléments. L’ampleur de ces anomalies ainsi que leur répartition entre les objets du système solaire renseigne sur le degré d’hétérogénéité de la nébuleuse solaire. L’étude des phases porteuses de ces anomalies procure des informations sur les processus à l’origine de cette hétérogénéité. Les datations par radiochronomètres de courte période reposent sur la répartition hétérogène des éléments père et fils. L’utilisation de ces outils nécessite donc l’étude parallèle des variations nucléosynthétiques de ces éléments
Nucleosynthetic anomalies have been observed in meteorites for many elements. The magnitude and repartition of these anomalies provide information about the degree of heterogeneity of the solar nebula. The study of the nucleosynthetic anomalies carriers could also give insight into the processes responsible for this heterogeneity. The presence or absence of small variations in nucleosynthetic processes is a key for the use of the short-lived radiochronometers. Small variations in the repartition of the parent or daughter isotope can lead to misinterpretations of relative ages
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Ramsay, Eric Barnaby. "Ground state properties of strontium nuclides by laser spectroscopy." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75755.

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Isotope shifts of twenty-two isotopes of strontium, $ sp{78}$Sr to $ sp{100}$Sr excluding $ sp{99}$Sr, and three isomers of strontium, $ sp{83 rm m,85m,87m}$Sr, have been measured using laser spectroscopy. The nuclear spins, magnetic and quadrupole moments, have been extracted from the data for all odd isotopes. The changes in mean square charge radii have also been evaluated for all isotopes and isomers.
The changes in mean square charge radii, which are compared to the predictions of the droplet model and Hartree-Fock plus B.C.S. calculations, show a pronounced shell effect at the closed neutron shell at N = 50 and a sharp increase at N = 60. The theoretical analysis suggests that the change in mean square charge radii for N = 60, 62 is due to the onset of a large static deformation. For the remaining isotopes, the changes are attributed to a change in size, a change in the predominantly dynamic deformation, and a change in the diffuseness of the nuclear charge distribution.
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Dennebouy, Stéphane. "Mise en évidence et caractérisation de la variabilité haute fréquence du rapport 87 Sr / 86 Sr du strontium océanique." Paris, ENMP, 2001. http://www.theses.fr/2001ENMP1102.

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Drouet, Thomas. "Etude de l'origine du calcium dans les écosystèmes forestiers par les méthodes de géochimie et de dendrochime isotopiques du strontium." Doctoral thesis, Universite Libre de Bruxelles, 2005. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210940.

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El, Meknassi Sofia. "Enregistrement des isotopes du Sr dans les coquilles et l'eau de mer côtière : réévaluation multi-échelles du cycle du Sr pour des implications paléoenvironnementales et chimiostratigraphiques." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30200.

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Les reconstitutions passées de la composition isotopique en Sr (87Sr/86Sr) des squelettes carbonatés d'organismes marins (MCS) sont très largement utilisées par les chimiostratigraphes et les paléoenvironnementalistes car elles permettent de reconstituer les variations du rapport 87Sr/86Sr de l'océan au cours des temps géologiques. Les reconstitutions paléoenvironnementales et les datations chimiostratigraphiques reposent sur le consensus que les MCS précipitent leurs tests carbonatés à l'équilibre isotopique avec l'eau de mer qui est homogène à l'échelle globale en raison d'un temps de résidence du Sr (2 Ma) supérieur au temps de brassage océanique (1600 ans). Leur fiabilité en tant qu'outils chimiostratigraphiques peut être remise en question, notamment parce qu'aucune évaluation formelle des biais biologiques et environnementaux n'a été réalisée à l'échelle mondiale. Cette étude propose donc une réévaluation à l'échelle globale de la signature isotopique en Sr des MCS et de l'eau de mer d'environnements côtiers. La signature isotopique des MCS et de l'eau côtière est largement influencée par des apports continentaux qui peuvent modifier les signatures isotopiques de ces derniers. De fait, au vu de ces hétérogénéités cette étude a recalculé le temps de résidence du Sr à plusieurs échelles spatiales. Elle propose de façon générale une meilleure compréhension des processus côtiers sur la signature isotopiques de l'eau et des MCS
Past reconstructions of the isotopic Sr composition (87Sr / 86Sr) of marine carbonate skeletons (MCS) are very widely used by chemostratigraphs and palaeoenvironmentalists because they allow to reconstruct variations of the 87Sr/86Sr ratio of the ocean across geological time. Paleoenvironmental reconstructions and chemostratigraphic dating are based on the consensus that MCS precipitate their carbonate skeletons at the isotopic equilibrium with surrounded seawater, that is considered as homogeneous at global scale due to a residence time of Sr (2 Ma) higher than the global ocean mixing duration(1600 years). Their reliability as chemostratigraphic tools can therefore be questioned, in particular because no formal evaluation of biological and environmental biases has been carried out at a global scale. This study proposes a global reassessment of the Sr isotopic composition of both MCS and seawater of coastal and oligotrophic environments. The isotopic signature of MCS and coastal water is largely influenced by continental inputs that can modify their isotopic signatures. In fact, given these heterogeneities, this study has recalculated the Sr residence time. Finally, this study propose a better understanding of the global strontium cycle at different time scale
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Vaiglova, Petra. "Neolithic agricultural management in the Eastern Mediterranean : new insight from a multi-isotope approach." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:c8824136-da35-43b2-a700-f458d0cc2fdf.

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The work presented in this dissertation explores the nature of agro-pastoral strategies developed by Neolithic farmers as a way to understand how early food production was inter-twined with environmental and socio-economic opportunities and constraints. Towards this end, a multi-isotope approach is used to address questions of scale and intensity of crop cultivation and animal management at the archaeological sites of Kouphovouno, southern Greece, Makriyalos, northern Greece, and Çatalhöyük, south-central Turkey. Measurements of stable carbon, nitrogen, oxygen and strontium isotope values of carbonized plant remains, human and animal bone collagen and animal tooth enamel are used to examine the similarities and differences in the types of treatments that individual species of plants and animals received during the agricultural cycle at the distinct locations. The results show that farmers at the three sites developed variable methods for exploiting the arable and pastoral landscape and catering to their economic and culinary needs. The discussion considers the implications of these findings to our understanding of the complexity and adaptability of early farming systems.
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Books on the topic "Strontium isotopes"

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Bernhardt, J. Laserspektrometrischer Nachweis von Strontiumnukliden. Bonn: Bundesamt für Zivilschutz, 1998.

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Measurements, National Council on Radiation Protection and. Some aspects of strontium radiobiology. Bethesda, MD: The Council, 1991.

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J, Rosentreter Jeffrey, Idaho National Engineering and Environmental Laboratory, United States. Dept. of Energy, and Geological Survey (U.S.), eds. The use of chemical and physical properties for characterization of strontium distribution coefficients at the Idaho National Engineering and Environmental Laboratory, Idaho. Idaho Falls, Idaho: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Linauskas, S. H. An examination of the analysis of radiostrontiums in bioassay applications. Chalk River, Ont: Chalk River Laboratories, 1993.

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Pace, Mary N. Strontium distribution coefficients of basalt and sediment infill samples from the Idaho National Engineering and Environmental Laboratory, Idaho. Idaho Falls, Idaho: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Pace, Mary N. Strontium distribution coefficients of basalt and sediment infill samples from the Idaho National Engineering and Environmental Laboratory, Idaho. Idaho Falls, Idaho: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Pace, Mary N. Strontium distribution coefficients of basalt and sediment infill samples from the Idaho National Engineering and Environmental Laboratory, Idaho. Idaho Falls, Idaho: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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A, Casso Susan, ed. Cesium and strontium isotopes in the northwestern North Atlantic and Arctic Ocean, 1981-1985. Woods Hole, Mass: Woods Hole Oceanographic Institution, 1988.

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T, Rothfuchs, Duijves K, Gesellschaft für Strahlen- und Umweltforschung. Institut für Tieflagerung., and Stichting Energie-Onderzoek Centrum Nederland, eds. Das HAW-Projekt: Demonstrationseinlagerung hochradioaktiver Abfälle im Salzbergwerk Asse : Zwischenbericht 1985-1987. München: Gesellschaft für Strahlen- und Umweltforschung, 1988.

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DeWayne, Cecil L., United States. Dept. of Energy, and Geological Survey (U.S.), eds. Evaluation of field sampling and preservation methods for strontium-90 in ground water at the Idaho National Engineering Laboratory, Idaho. Idaho Falls, Idaho: Dept. of the Interior, U.S. Geological Survey, 1989.

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Book chapters on the topic "Strontium isotopes"

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Burton, James H. "Strontium isotopes." In Encyclopedia of Geoarchaeology, 916–19. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-1-4020-4409-0_28.

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Nebel, Oliver, and Jessica A. Stammeier. "Strontium Isotopes." In Encyclopedia of Earth Sciences Series, 1–6. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39193-9_137-1.

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Nebel, Oliver, and Jessica A. Stammeier. "Strontium Isotopes." In Encyclopedia of Earth Sciences Series, 1379–84. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-39312-4_137.

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McNutt, Robert H. "Strontium Isotopes." In Environmental Tracers in Subsurface Hydrology, 233–60. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-4557-6_8.

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Burton, James H. "Strontium Isotopes." In Encyclopedia of Geoarchaeology, 1–4. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-44600-0_28-1.

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Bowen, Robert. "Rubidium-Strontium Dating." In Isotopes in the Earth Sciences, 162–200. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-009-2611-0_4.

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Bogomolov, Yevgeny, Boris Belyatsky, Robert Krymsky, and Yury Pushkarev. "Strontium and Neodymium Isotopes." In Springer Geology, 89–132. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05216-4_4.

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Semenishchev, Vladimir Sergeevich, and Anna Vladimirovna Voronina. "Isotopes of Strontium: Properties and Applications." In The Handbook of Environmental Chemistry, 25–42. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15314-4_2.

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Barbieri, Mario. "Strontium Isotopes as Natural Tracers in Minerogenetic Processes." In Nonmetalliferous Stratabound Ore Fields, 1–7. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4684-6554-9_1.

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Ericson, J. E. "Some Problems and Potentials of Strontium Isotope Analysis for Human and Animal Ecology." In Stable Isotopes in Ecological Research, 252–59. New York, NY: Springer New York, 1989. http://dx.doi.org/10.1007/978-1-4612-3498-2_14.

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Conference papers on the topic "Strontium isotopes"

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Vezinet, Adrien, Alexander Sobolev, Aleksandr Chugunov, Evgeny Asafov, Valentina Batanova, Leonid Danyushevsky, Stephan Sobolev, Charitra Jain, and John Valley. "Strontium isotopes paradox of Archean komatiites." In Goldschmidt2023. France: European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.19134.

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Lu, Feng Hu. "Using Isotope Technology to Identify Oil and Gas Reservoir Sweet Spots." In SPE Reservoir Characterisation and Simulation Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212642-ms.

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Abstract Porosity and permeability of rocks are crucial parameters utilized to assess the quality of oil and gas reservoirs. Diagenesis in carbonate reservoirs commonly results in dissolution, and creates secondary porosity and permeability. At the same time, geochemical records (e.g., isotopes and elements) in the carbonate rocks are diagenetically altered. This study is to utilize the isotope technology to evaluate diagenesis and its impact on oil and gas reservoirs. Micro-samples were collected from marine carbonate rocks in a studied reservoir for carbon and oxygen isotope analyses, plus analyses of Sr isotopes and element concentrations. The analytical results show outstanding negative shifts of oxygen isotopes in some intervals, whereas carbon and strontium isotopes have a minor or little change. These intervals also contain lower element contents including strontium. It is believed that these intervals experienced diagenetic dissolution with abundant secondary porosity, and are the best potential for oil and gas reservoirs. Petrographic study indicates minor cements but higher porosity developed within these intervals. This is confirmed by high porosity measured within these intervals by using other methods including gas injection and well logging. Furthermore, the degrees of water-rock interaction were quantitively assessed by modeling covariations of isotope pairs, which can help evaluate the quality of reservoirs relating to the intensity of diagenesis. Intensive diagenesis with a high water-rock ratio particularly in a closed system may result in additional cementation, alteration of most geochemical parameters, and also reduce porosity and permeability. Thus, the isotope technology can be utilized as an effective method to assess reservoir potential and determine reservoir sweet spots. Note that carbonate cementation and recrystallization commonly occur during diagenesis, and commonly show negative oxygen isotope values. If sampling happens to contain a certain amount of cements and recrystallized carbonate minerals, the analytical results will show lower oxygen isotopes and trace elements than their primary values in the studied marine carbonates. Petrographic study was conducted to help micro-sampling, and verify that cements were not collected in the studied carbonate rocks for isotope analysis. The implementation of this study is that the isotope results obtained from one studied well can be applied in the whole field or/and the region, as diagenesis rarely occurs only around one well. This will save cost for repeatedly measurements from different wells and fields by using other methods.
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Clément, Emmanuel, and Magda Zielinska. "Shape Coexistence In Neutron-rich Strontium Isotopes At N=60." In The 26th International Nuclear Physics Conference. Trieste, Italy: Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.281.0003.

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Mauceri, Alessandro, Lakin K. Beal, and Jay L. Banner. "THE IMPACTS OF URBANIZATION ON SOIL: APPLICATIONS OF STRONTIUM ISOTOPES." In GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-359469.

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Polteau, S., C. Smalley, M. G. Reppert, and I. Johansen. "Basin and Reservoir scale Fluid Connectivity Revealed by Strontium Isotopes." In 85th EAGE Annual Conference & Exhibition - Workshop Programme. European Association of Geoscientists & Engineers, 2024. http://dx.doi.org/10.3997/2214-4609.202410775.

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Wood, Madison, Michael Tatzel, Susan Pit, and Adina Paytan. "Stable and Radiogenic Strontium Isotopes in Seawater over the Late Quaternary." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.2886.

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Tel, Eyyup, Muhittin Sahan, Halide Sahan, Hasancan Alkanli, and Yusuf Kavun. "Nuclear density, exciton number and binding energy calculations of strontium isotopes." In SolarPACES 2017: International Conference on Concentrating Solar Power and Chemical Energy Systems. Author(s), 2018. http://dx.doi.org/10.1063/1.5078930.

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Morse, Stearns A., S. R. Hart, Michael J. Jercinovic, Michael A. Hamilton, and John B. Brady. "PARTITIONING OF STRONTIUM ISOTOPES IN FELDSPARS FROM A PROTEROZOIC SYENITIC MAGMA." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-302494.

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Vengosh, Avner, Zhen Wang, Gordon Williams, Robert Hill, Gary Dwyer, Owen Duckworth, Luke Gatiboni, et al. "Strontium isotopes and metal(loid)s variations in global phosphate ores." In Goldschmidt2022. France: European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.10558.

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Wang, Jiuyuan, Boriana Kalderon-Asael, Amanda M. Oehlert, R. Pamela Reid, Brooke Vitek, Noah J. Planavsky, and Lidya Tarhan. "EARLY DIAGENETIC EVALUATION OF STABLE STRONTIUM ISOTOPES IN SHALLOW CARBONATE SEDIMENTS." In GSA Connects 2023 Meeting in Pittsburgh, Pennsylvania. Geological Society of America, 2023. http://dx.doi.org/10.1130/abs/2023am-391158.

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Reports on the topic "Strontium isotopes"

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Hanson, A. E. H., and A. R. English. Investigation of the inorganic groundwater quality in the West Yellowstone Basin, Gallatin County, Montana. Montana Bureau of Mines and Geology, January 2023. http://dx.doi.org/10.59691/zwcs7648.

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Report on inorganic groundwater quality in the West Yellowstone Basin, based on sampling completed in 2021 and review of previous groundwater sampling data collected in the basin by the MBMG. Inorganic sampling data collected and reviewed includes water-quality parameters, major ions, trace elements, water isotopes, strontium isotopes, and radon. Preliminary identification of aquifers is provided based on the water quality sampling data, well log records, and published geologic maps of the area.
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B. Marshall and K. Futa. Strontium Isotopes in Pore Water as an Indicator of Water Flux at the Proposed High-Level Radioactive Waste Repository, Yucca Mountain, Nevada. Office of Scientific and Technical Information (OSTI), February 2004. http://dx.doi.org/10.2172/837485.

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Lehman, Scott, and William Curry. Strontium Isotopic Composition in Arctic Pleistocene and Pliocene Marine Sediments. Fort Belvoir, VA: Defense Technical Information Center, January 1997. http://dx.doi.org/10.21236/ada348828.

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Wall, Andrew J., Rosemary C. Capo, Brian W. Stewart, Thai T. Phan, Jinesh C. Jain, Alexandra Hakala, and George D. Guthrie. High-Throughput Method for Strontium Isotope Analysis by Multi-Collector-Inductively Coupled Plasma-Mass Spectrometer. Office of Scientific and Technical Information (OSTI), September 2016. http://dx.doi.org/10.2172/1361494.

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Hakala, Jacqueline Alexandra. High-Throughput Method for Strontium Isotope Analysis by Multi-Collector-Inductively Coupled Plasma-Mass Spectrometer. Office of Scientific and Technical Information (OSTI), November 2016. http://dx.doi.org/10.2172/1337543.

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Ravenhurst, C. E., P. H. Reynolds, and M. Zentilli. Strontium Isotopic Studies of Rock and Mineral Samples in the Shubenacadie Basin, Nova Scotia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/120666.

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Hess, Emily. Strontium, Lead, and Oxygen Isotopic Signatures of Mid-Miocene Silicic Volcanism in Eastern Oregon. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.2077.

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B.D. Marshall and K. Futa. STRONTIUM ISOTOPE EVOLUTION OF PORE WATER AND CALCITE IN THE TOPOPAH SPRING TUFF, YUCCA MOUNTAIN , NEVADA. Office of Scientific and Technical Information (OSTI), February 2001. http://dx.doi.org/10.2172/860281.

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Thomas M. Johnson. Investigation of groundwater flow paths through combined inversion of strontium isotope ratios and hydraulic head data. Final report. Office of Scientific and Technical Information (OSTI), December 1999. http://dx.doi.org/10.2172/764712.

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Davis, W. J., P. Outridge, and R. E. A. Stewart. Strontium isotopic composition of modern walrus teeth from Hudson Bay and Arctic Islands, Quebec and Northwest Territories. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1998. http://dx.doi.org/10.4095/210058.

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