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Relevant bibliographies by topics / Nd isotopes

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Academic literature on the topic 'Nd isotopes'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 May 2024

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Journal articles on the topic "Nd isotopes"

1

Wu, Li, Ling, et al. "Further Characterization of the RW-1 Monazite: A New Working Reference Material for Oxygen and Neodymium Isotopic Microanalysis." Minerals 9, no. 10 (2019): 583. http://dx.doi.org/10.3390/min9100583.

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The oxygen (O) and neodymium (Nd) isotopic composition of monazite provides an ideal tracer of metamorphism and hydrothermal activity. Calibration of the matrix effect and monitoring of the external precision of monazite O–Nd isotopes with microbeam techniques, such as secondary ion mass spectrometry (SIMS) and laser ablation-multicollector-inductively coupled plasma-mass spectrometry (LA-MC-ICPMS), require well-characterized natural monazite standards for precise microbeam measurements. However, the limited number of standards available is impeding the application of monazite O–Nd isotopes. H

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Vezinet, Adrien, Emilie Thomassot, Yan Luo, Chiranjeeb Sarkar, and D. Graham Pearson. "Diachronous Redistribution of Hf and Nd Isotopes at the Crystal Scale—Consequences for the Isotopic Evolution of a Poly-Metamorphic Crustal Terrane." Geosciences 12, no. 1 (2022): 36. http://dx.doi.org/10.3390/geosciences12010036.

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In metamorphic rocks, mineral species react over a range of pressure–temperature conditions that do not necessarily overlap. Mineral equilibration can occur at varied points along the metamorphic pressure–temperature (PT) path, and thus at different times. The sole or dominant use of zircon isotopic compositions to constrain the evolution of metamorphic rocks might then inadvertently skew geological interpretations towards one aspect or one moment of a rock’s history. Here, we present in-situ U–Pb/Sm–Nd isotope analyses of the apatite crystals extracted from two meta-igneous rocks exposed in t

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van de Flierdt, Tina, Alexander M. Griffiths, Myriam Lambelet, Susan H. Little, Torben Stichel, and David J. Wilson. "Neodymium in the oceans: a global database, a regional comparison and implications for palaeoceanographic research." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 374, no. 2081 (2016): 20150293. http://dx.doi.org/10.1098/rsta.2015.0293.

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The neodymium (Nd) isotopic composition of seawater has been used extensively to reconstruct ocean circulation on a variety of time scales. However, dissolved neodymium concentrations and isotopes do not always behave conservatively, and quantitative deconvolution of this non-conservative component can be used to detect trace metal inputs and isotopic exchange at ocean–sediment interfaces. In order to facilitate such comparisons for historical datasets, we here provide an extended global database for Nd isotopes and concentrations in the context of hydrography and nutrients. Since 2010, combin

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Jo, Hui Je, Hyo Min Lee, Go-Eun Kim, Won Myung Choi, and Taehoon Kim. "Determination of Sr–Nd–Pb Isotopic Ratios of Rock Reference Materials Using Column Separation Techniques and TIMS." Separations 8, no. 11 (2021): 213. http://dx.doi.org/10.3390/separations8110213.

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Thermal ionization mass spectrometry (TIMS) can provide highly accurate strontium (Sr), neodymium (Nd), and lead (Pb) isotope measurements for geological and environmental samples. Traces of these isotopes are useful for understanding crustal reworking and growth. In this study, we conducted a sequential separation of Sr, Nd, and Pb and subsequently measured the 87Sr/86Sr, 143Nd/144Nd, 206Pb/204Pb, 207Pb/204Pb, and 208Pb/204Pb ratios of 13 widely used rock certified reference materials (CRMs), namely BCR-2, BHVO-2, GSP-2, JG-1a, HISS-1, JLk-1, JSd-1, JSd-2, JSd-3, LKSD-1, MAG-1, SGR-1, and 435

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Viehmann, Sebastian. "Hf-Nd Isotopes in Archean Marine Chemical Sediments: Implications for the Geodynamical History of Early Earth and Its Impact on Earliest Marine Habitats." Geosciences 8, no. 7 (2018): 263. http://dx.doi.org/10.3390/geosciences8070263.

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The Hf-Nd isotope systems are coupled in magmatic systems, but incongruent Hf weathering (‘zircon effect’) of the continental crust leads to a decoupling of the Hf-Nd isotope systems in low-temperature environments during weathering and erosion processes. The Hf-Nd isotope record was recently dated back from the Cenozoic oceans until the Archean, showing that both isotope systems were already decoupled in seawater 2.7 Ga ago and potentially 3.4 Ga and 3.7 Ga ago. While there might have existed a hydrothermal pathway for Hf into Archean seawater, incongruent Hf weathering of more evolved, zirco

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Abbott, April N., Brian A. Haley, Aradhna K. Tripati, and Martin Frank. "Constraints on ocean circulation at the Paleocene–Eocene Thermal Maximum from neodymium isotopes." Climate of the Past 12, no. 4 (2016): 837–47. http://dx.doi.org/10.5194/cp-12-837-2016.

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Abstract. Global warming during the Paleocene–Eocene Thermal Maximum (PETM) ∼ 55 million years ago (Ma) coincided with a massive release of carbon to the ocean–atmosphere system, as indicated by carbon isotopic data. Previous studies have argued for a role of changing ocean circulation, possibly as a trigger or response to climatic changes. We use neodymium (Nd) isotopic data to reconstruct short high-resolution records of deep-water circulation across the PETM. These records are derived by reductively leaching sediments from seven globally distributed sites to reconstruct past deep-ocean circ

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PE-PIPER, GEORGIA, and DAVID J. W. PIPER. "Late Cenozoic, post-collisional Aegean igneous rocks: Nd, Pb and Sr isotopic constraints on petrogenetic and tectonic models." Geological Magazine 138, no. 6 (2001): 653–68. http://dx.doi.org/10.1017/s0016756801005957.

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Nd isotopic composition has been determined for 16 igneous rocks, representing the wide geochemical, spatial and temporal range of post-collisional, late Cenozoic magmas in the Aegean area. Nd isotopes are used to further interpret previously published Pb and Sr isotope data. The overall pattern of late Cenozoic volcanism resulted from rapid extension, with thermal effects causing melting of hydrated, enriched, subcontinental lithosphere to produce widespread K-rich magmas. Slab break-off and intrusion of hot asthenosphere caused partial melting of rift-related continental margin basalts at th

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Zhang, Bang-Lu, Zhi-Cheng Lv, Zhi-Guo Dong, et al. "Source Characteristics of the Carboniferous Ortokarnash Manganese Deposit in the Western Kunlun Mountains." Minerals 12, no. 7 (2022): 786. http://dx.doi.org/10.3390/min12070786.

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The specific source of ancient sedimentary manganese (Mn) deposits is commonly complex. Here we use systematic major and trace element data with strontium (Sr) and neodymium (Nd) isotopic analyses of the Ortokarnash Mn(II) carbonate ores and associated carbonate rocks from the Upper Carboniferous Kalaatehe Formation (ca. 320 Ma) in order to constrain the Mn source. This formation consists of three members: the first member is a volcanic breccia limestone, the second member is a sandy limestone, and the third member is a black marlstone with the Mn(II) carbonate interlayers. Petrographic observ

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Qasim, Hussein N., and Falih H. Al-Khudair. "Structure of the low-lying positive and negative parity states in even–even 144−154Nd isotopes." International Journal of Modern Physics E 28, no. 12 (2019): 1950107. http://dx.doi.org/10.1142/s0218301319501076.

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The low-lying positive and negative parity states of even–even [Formula: see text]Nd isotopes are studied using the interacting boson model (IBM). The negative parity states are involved within the IBM model by adding a single angular momentum ([Formula: see text]) boson with intrinsic negative parity [Formula: see text]-boson to [Formula: see text] and [Formula: see text]-bosons model space. For these nuclei, the potential energy surfaces [Formula: see text], transition probability [Formula: see text], [Formula: see text] and [Formula: see text] are calculated. Phase transition from the [Form

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Robinson, Suzanne, Ruza F. Ivanovic, Lauren J. Gregoire, et al. "Simulating marine neodymium isotope distributions using Nd v1.0 coupled to the ocean component of the FAMOUS–MOSES1 climate model: sensitivities to reversible scavenging efficiency and benthic source distributions." Geoscientific Model Development 16, no. 4 (2023): 1231–64. http://dx.doi.org/10.5194/gmd-16-1231-2023.

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Abstract. The neodymium (Nd) isotopic composition of seawater is a widely used ocean circulation tracer. However, uncertainty in quantifying the global ocean Nd budget, particularly constraining elusive non-conservative processes, remains a major challenge. A substantial increase in modern seawater Nd measurements from the GEOTRACES programme, coupled with recent hypotheses that a seafloor-wide benthic Nd flux to the ocean may govern global Nd isotope distributions (εNd), presents an opportunity to develop a new scheme specifically designed to test these paradigms. Here, we present the impleme

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Dissertations / Theses on the topic "Nd isotopes"

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Chen, Tianyu [Verfasser]. "The geochemical cycling and paleoceanographic application of combined oceanic Nd-Hf isotopes / Tianyu Chen." Kiel : Universitätsbibliothek Kiel, 2013. http://d-nb.info/1044891807/34.

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Simien, Frédéric. "Croissance crustale et contraintes paléogéographiques apportées par les isotopes du Nd dans les sédiments." Paris, Institut de physique du globe, 1998. http://www.theses.fr/1998GLOB0005.

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Il n'existe pas de consensus pour savoir si la masse continentale a été extraite du manteau très tôt dans l'Histoire de la Terre ou bien si elle a été différenciée au cours du temps. Les études en Sm-Nd apportent des contraintes à ce problème car l'isotope père et l'isotope fils sont presque exclusivement fractionnés lors d'un épisode de différenciation crustale. Il est donc possible de dater depuis quand les matériaux font partie de la croûte. L'application de ce couple aux shales permet une approche à grande échelle car ils représentent une moyenne de la croûte continentale. Les évolutions d

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Partey, Frederick Kenneh. "SOURCE OF FLUORINE AND PETROGENESIS OF THE RIO GRANDE RIFT TYPE BARITE-FLUORITE-GALENA DEPOSITS." Miami University / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=miami1092262697.

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Bayon, Germain. "An investigation into ND and SR isotopes in marine sediments and their application to paleoceanography." Thesis, University of Southampton, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250079.

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Wilson, David James. "Investigating Nd and Pb isotopes as paleoceanographic proxies in the Indian Ocean : influences of water mass sourcing and boundary exchange." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610292.

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Wei, Ran [Verfasser]. "Application of Sr-Nd-Pb isotopes to the late quaternary paleoceanography of the Atlantic Ocean / Ran Wei." Mainz : Universitätsbibliothek Mainz, 2016. http://d-nb.info/1120442559/34.

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Moragues, Quiroga Cristina. "Water mixing processes in the critical zone : evidence from trace elements and Sr-Nd-Pb-U isotopes." Thesis, Strasbourg, 2018. http://www.theses.fr/2018STRAH002.

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Les fonctions hydrologiques de captage, stockage et rejet d’eau ont des signatures géochimiques dans les cours d'eau reflétant énormément celles trouvées dans les compartiments de la zone critique. Ces signatures sont fortement contrôlées par des processus bio-géophysico-chimiques produits dans l'interface régolite-plante. Jusqu'à présent, les recherches sur régolithes et processus hydrologiques sont restées largement découplées - conduisant à une utilisation généralisée de traceurs non conservateurs d'origines multiples, bloquant ainsi notre capacité à identifier les sources et les voies d'éc

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Munier, Thomas. "Évolution des conditions d’altération et des paléoclimats au cours de l'intervalle Albien-Santonien (113-83 Ma) : apports des minéraux argileux et de la géochimie." Electronic Thesis or Diss., Sorbonne université, 2023. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2023SORUS156.pdf.

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L’intervalle Albien-Santonien (~113-83 Ma) est une période charnière dans l’histoire du Crétacé. Cet intervalle est caractérisé par un fort taux de production de croûte océanique, associée à la dislocation de la Pangée et par une activité importante des provinces magmatiques. Ces conditions engendrent une augmentation notable de la pCO2 (Arthur et al., 1985) et une hausse progressive des températures océaniques jusqu’au maximum thermique mi-Crétacé, enregistré à la limite Cénomanien/Turonien (~94 Ma). Ce maximum thermique est suivi, dès la fin du Turonien, par une baisse des températures et de

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Lahd, Geagea Majdi. "Caractérisation chimique et isotopique des aérosols organiques/inorganiques et détermination de l'impact de la pollution atmosphérique sur l'environnement urbain." Université Louis Pasteur (Strasbourg) (1971-2008), 2007. http://www.theses.fr/2007STR1GE14.

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Des écorces d'arbres et des aérosols ont été analysés pour déterminer la pollution par les métaux dans l'environnement urbain en utilisant les isotopes. Cette étude s'est focalisée sur trois aspects: 1) La composition isotopique du fond "naturel" dans la vallée du Rhin, les montagnes des Vosges et les Alpes Centrales (Suisse). 2) Les caractéristiques des terres rares et des isotopes du Pb, Sr, Nd des émissions d'une aciérie. 3) Le traçage des émissions industrielles dans un environnement urbain en utilisant les isotopes de Pb, Sr et Nd. Les poussières provenant des principales sources de pollu

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Blair, Susanna Whitman. "Nd isotopes investigation of Cretaceous Ocean Anoxic Event 2 and a systematic study of Fe-Mn oxide coatings /." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0015647.

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Books on the topic "Nd isotopes"

1

A, Ayuso Robert, De Vivo B, and Geological Survey (U.S.), eds. A geochemical and isotopic (Nd-Pb) comparison of volcanic rocks erupted during the last 3,550 yrs. B.P. of interplinian activity of Somma-Vesuvius volcano, southern Italy. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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A, Ayuso Robert, De Vivo B, and Geological Survey (U.S.), eds. A geochemical and isotopic (Nd-Pb) comparison of volcanic rocks erupted during the last 3,550 yrs. B.P. of interplinian activity of Somma-Vesuvius volcano, southern Italy. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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A, Ayuso Robert, De Vivo B, and Geological Survey (U.S.), eds. A geochemical and isotopic (Nd-Pb) comparison of volcanic rocks erupted during the last 3,550 yrs. B.P. of interplinian activity of Somma-Vesuvius volcano, southern Italy. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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4

Vroon, Pieter Zeger. Subduction of continental material in the Banda Arc, eastern Indonesia: Sr-Nd-Pb isotope and trace-element evidence from volcanics and sediments. Faculteit Aardwetenschappen der Rijksuniversiteit Utrecht, 1992.

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5

Valbracht, Peter Jan. The origin of the continental crust of the Baltic shield, as seen through Nd and Sr isotopic variations in 1.89-1.85 Ga old rocks from western Bergslagen, Sweden. Drukkeru Elinkwuk, 1991.

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Survey, Ontario Geological. Geochronology Compilation Map For Ontario : Sheet 2: Southern Ontario: Grenville : Province and Environs : rb-sr, nd-sm, U-pb, and Other Isotopic Systems. s.n, 1986.

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Kwon, Sung-Tack. Pb-Sr-Nd isotope study of the 100 to 2700 Ma old alkalic rock-carbonatite complexes in the Canadian Shield: Inferences on the geochemical and structural evolution of the mantle. University Microfilms International, 1987.

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A geochemical and isotopic (Nd-Pb) comparison of volcanic rocks erupted during the last 3,550 yrs. B.P. of interplinian activity of Somma-Vesuvius volcano, southern Italy. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Book chapters on the topic "Nd isotopes"

1

Champion, David C., and David L. Huston. "Applications of Neodymium Isotopes to Ore Deposits and Metallogenic Terranes; Using Regional Isotopic Maps and the Mineral Systems Concept." In Isotopes in Economic Geology, Metallogenesis and Exploration. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-27897-6_5.

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AbstractAlthough radiogenic isotopes historically have been used in ore genesis studies for age dating and as tracers, here we document the use of regional- and continental-scale Sm–Nd isotope data and derived isotopic maps to assist with metallogenic interpretation, including the identification of metallogenic terranes. For the Sm–Nd system, calculated Nd model ages, which are time independent, are of most value for small-scale isotopic maps. Typically, one- or two-stage depleted mantle model ages (TDM, T2DM) are used to infer age when the isotope characteristics of the rock were in isotopic equilibrium with a modelled (mantle) reservoir. An additional advantage is that Nd model ages provide, with a number of assumptions, an estimate of the approximate age of continental crust in a region. Regional- and continental-scale Nd model age maps, constructed from rocks such as granites, which effectively sample the middle to lower crust, therefore, provide a proxy to constrain the nature of the crust within a region. They are of increasing use in metallogenic analysis, especially when combined with a mineral systems approach, which recognizes that mineral deposits are the result of geological processes, at a scales from the ore shoot to the craton. These maps can be used empirically and/or predictively to identify and target large parts of mineral systems that may be indicative, or form part of, metallogenic terranes. Examples presented here include observed spatial relationships between mineral provinces and isotopic domains; the identification of old and/or thick cratonic blocks; determination of tectonic regimes favorable for mineralization; identification of isotopically juvenile zones that may indicate rifts or primitive arcs; recognition of crustal breaks that define metallogenic terrane boundaries or delineate fluid pathways; and, as baseline maps. Of course, any analysis of Sm–Nd and similar isotopic maps are predicated on integration with geological, geochemical and geophysical information data. In the future, research in this area should focus on the spatial and temporal evolution of the whole lithosphere at the province- to global-scales to more effectively targeting mineral exploration. This must involve integration of radiogenic isotopic data with other data, in particular, geophysical data, which has the advantage of being able to directly image the crust and lithosphere and being of a more continuous nature as compared to invariably incomplete isotopic data sets.

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Huston, David L., and David C. Champion. "Applications of Lead Isotopes to Ore Geology, Metallogenesis and Exploration." In Isotopes in Economic Geology, Metallogenesis and Exploration. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-27897-6_6.

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AbstractAlthough lead isotopes are most commonly used to date geological events, including mineralizing events, they also can provide information on many aspects of metallogeny and can be directly used in mineral exploration. Lead isotope data are generally reported as ratios of radiogenic isotopes normalized to the non-radiogenic isotope 204Pb (e.g. 206Pb/204Pb, 207Pb/204Pb and 208Pb/204Pb). These ratios can be used in exploration to characterize the style of mineralization, metal (i.e. Pb) source and as vectors to ore. When combined with lead isotope evolution models, the data can be used to indicate the age and tectonic environment of mineralization. The raw ratios and evolution models enable calculation of derived parameters such as μ (238U/204Pb), κ (232Th/238U) and ω (232Th/204Pb), which provide more information about tectonic setting and can be contoured to identify crustal boundaries and metallogenic provinces. In some cases, tectonic boundaries, mapped using gradients in μ and other derived parameters, are fundamental controls on the distribution of certain deposit types in space and time. Moreover, crustal character, as determined by lead and other radiogenic isotopes (e.g. Nd) can be an indicator of province fertility for many deposit types. The development of cost effective analytical techniques and the assembly of large geo-located datasets for lead and other isotope data has enabled significant advances in understanding the genesis and localization of many deposit type, particularly when the isotopic data are integrated with other independent datasets such as potential field, magnetotelluric, passive seismic and geochemical data.

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Waltenberg, Kathryn. "Application of the Lu–Hf Isotopic System to Ore Geology, Metallogenesis and Mineral Exploration." In Isotopes in Economic Geology, Metallogenesis and Exploration. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-27897-6_7.

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AbstractThe Lu-Hf isotopic system, much like the Sm-Nd isotopic system, can be used to understand crustal evolution and growth. Crustal differentiation processes yield reservoirs with differing initial Lu/Hf values, and radioactive decay of 176Lu results in diverging 176Hf/177Hf between reservoirs over time. This chapter outlines the fundamentals of the Lu-Hf isotopic system, and provides several case studies outlining the utility of this system to mineral exploration and understanding formation processes of ore deposits. The current, rapid, evolution of this field of isotope science means that breadth of applications of the Lu-Hf system are increasing, especially in situations where high-precision, detailed analyses are required.

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Sukhoruchkin, S. I., and Z. N. Soroko. "Graphs for Isotopes of 60-Nd(Neodymium)." In Nuclei with Z = 55 - 100. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-70609-0_7686.

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DePaolo, Donald J. "Nd Isotopes as Tracers in Planetary Evolution." In Minerals and Rocks. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-48916-7_3.

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Tripathy, Gyana Ranjan, Sunil Kumar Singh, and S. Krishnaswami. "Sr and Nd Isotopes as Tracers of Chemical and Physical Erosion." In Advances in Isotope Geochemistry. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-10637-8_26.

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Okano, Osamu, and Mitsunobu Tatsumoto. "Petrogenesis of Ultramafic Xenoliths from Hawaii Inferred From Sr, Nd, and Pb Isotopes." In Earth Processes: Reading the Isotopic Code. American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm095p0135.

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Grousset, F. E., and P. E. Biscaye. "Nd and Sr Isotopes as Tracers of Wind Transport: Atlantic Aerosols and Surface Sediments." In Paleoclimatology and Paleometeorology: Modern and Past Patterns of Global Atmospheric Transport. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0995-3_16.

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Huston, David L., David C. Champion, and Kevin F. Cassidy. "Tectonic controls on the endowment of Archean cratons in VHMS deposits: Evidence from PB and Nd isotopes." In Mineral Deposit Research: Meeting the Global Challenge. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27946-6_4.

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DePaolo, Donald J. "Overview of Nd Isotopic Variations." In Minerals and Rocks. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-48916-7_5.

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Conference papers on the topic "Nd isotopes"

1

Ouhachi, M., M. R. Oudih, M. Fellah, and N. H. Allal. "Exotic decay investigation of Nd isotopes." In 1ST INTERNATIONAL CONFERENCE ON RADIATIONS AND APPLICATIONS (ICRA-2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5048147.

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Asai, Shiho, Keisuke Okumura, Yukiko Hanzawa, et al. "Validation of Correlations Between Nd Isotopes and Difficult-to-Measure Nuclides Predicted With Burn-Up Calculation Code by Postirradiation Examination." In ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2011. http://dx.doi.org/10.1115/icem2011-59086.

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Correlations between Nd isotopes and difficult-to-measure (DTM) nuclides, such as Se-79, Tc-99, Sn-126, and Cs-135, predicted using a calculation code have been validated by postirradiation examination (PIE). The calculation was performed with a burnup calculation code, MVP-BURN, using the updated nuclear data library JENDL-4.0. An irradiated PWR fuel with a burnup of 44.9 GWd/t and a cooling time of 7458 days was used as a standard sample. The concentrations of Nd isotopes in the sample solutions were determined by inductively coupled plasma mass spectrometry (ICP-MS) after purification by tw

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Duggan, Brian Daniel. "HF-ND ISOTOPES OF EQUATORIAL PACIFIC OXYHYDROXIDE LEACHATES ACROSS THE EOT." In 65th Annual Southeastern GSA Section Meeting. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016se-273830.

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An, Emily, Ellen Martin, Kelly Deuerling, and Jonathan B. Martin. "IMPACT OF GLACIAL RETREAT AND WEATHERING ON NORTH ATLANTIC ND ISOTOPES." In GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-357831.

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Fisher, Chris, Jeffrey Vervoort, Ross Salerno, Da Wang, and Tony Kemp. "Early Earth decoupling of Hf-Nd isotopes: the accessory mineral perspective." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.7002.

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Batenburg, Sietske J., Alex J. Dickson, Benjamin S. Kelsey, et al. "OCEANOGRAPHY OF THE WESTERN INTERIOR SEAWAY DURING OAE 2 USING ND ISOTOPES." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-322094.

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Yokoyama, Rin, Eiji Ideguchi, Gary Simpson, et al. "Role Of Hexadecupole Deformation In The Shape Evolution Of Neutron-rich Nd Isotopes." In The 26th International Nuclear Physics Conference. Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.281.0015.

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Doucelance, Régis, Claudine Israel, Maud Boyet, Pierre Bonnand, Matthew G. Jackson, and Jane Barling. "A Ce-Nd-Hf Isotopes Perspective on the EMI-Emii End-Members Distinction." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.607.

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Bayon, Germain, Kwangchul Jang, Nathalie Vigier, et al. "REE and Nd isotopes in sedimentary Fe oxides as proxies for shale weathering." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.6327.

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Bruand, Emilie, Mike Fowler, Craig Storey, Bruno Dhuime, and Régis Doucelance. "Mineral-whole rock isotope fidelity in granitoids? A comparative study of Hf-Nd-O isotopes in apatite, titanite and zircon." In Goldschmidt2023. European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.16888.

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Reports on the topic "Nd isotopes"

1

Ahmad, I., C. J. Lister, and L. R. Morss. Lifetimes in neutron-rich Nd isotopes measured by Doppler profile method. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/166329.

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KIM, H., M. HERMAN, S. F. MUGHABGHAB, P. OBLOZINSKY, D. ROCHMAN, and LEE. Y.-O. EVALUATION OF NEUTRON CROSS SECTIONS FOR A COMPLETE SET OF Nd ISOTOPES. Office of Scientific and Technical Information (OSTI), 2007. http://dx.doi.org/10.2172/921937.

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Berman, R. G., B. E. Taylor, W. J. Davis, M. Sanborn-Barrie, and J B Whalen. Crustal architecture and evolution of the central Thelon tectonic zone, Nunavut: insights from Sm-Nd and O isotope analysis, U-Pb zircon geochronology, and targeted bedrock mapping. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/332497.

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New isotopic analyses (Sm-Nd, O, and U-Pb), targeted geological mapping, and previously published whole-rock geochemical data and high-resolution aeromagnetic surveys define ten crustal domains across the central Thelon tectonic zone. In the eastern Slave Craton, granitoid rocks in the Overby Lake domain are more isotopically evolved than in the Tinney Hills domain and include tonalite dated at 2.71 Ga. The 400 km long main leucogranite belt separates most early (ca. 2.07-1.95 Ga) Thelon tectonic zone plutonic belts from the Queen Maud Block. Oxygen isotopes support its formation via melting o

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Manor, M. J., and S. J. Piercey. Whole-rock lithogeochemistry, Nd-Hf isotopes, and in situ zircon geochemistry of VMS-related felsic rocks, Finlayson Lake VMS district, Yukon. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328992.

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The Finlayson Lake district in southeastern Yukon is composed of a Late Paleozoic arc-backarc system that consists of metamorphosed volcanic, plutonic, and sedimentary rocks of the Yukon-Tanana and Slide Mountain terranes. These rocks host &amp;gt;40 Mt of polymetallic resources in numerous occurrences and styles of volcanogenic massive sulphide (VMS) mineralization. Geochemical and isotopic data from these rocks support previous interpretations that volcanism and plutonism occurred in arc-marginal arc (e.g., Fire Lake formation) and continental back-arc basin environments (e.g., Kudz Ze K

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Macêdo Filho, Antomat Avelino, and Maria Helena Hollanda. The Effect of Alteration on Sr-Nd Isotopes of Mafic Rocks: Examples From Rio Ceará-Mirim Dyke Swarm, NE Brazil. Peeref, 2022. http://dx.doi.org/10.54985/peeref.2209p1380949.

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Tomlinson, K. Y., and J. A. Percival. Geochemistry and Nd isotopes of granitoid rocks in the Shikag-Garden lakes area, Ontario: recycled Mesoarchean crust in the central Wabigoon Subprovince. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2000. http://dx.doi.org/10.4095/211618.

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Matte, S., M. Constantin, and R. Stevenson. Mineralogical and geochemical characterisation of the Kipawa syenite complex, Quebec: implications for rare-earth element deposits. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/329212.

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The Kipawa rare-earth element (REE) deposit is located in the Parautochton zone of the Grenville Province 55 km south of the boundary with the Superior Province. The deposit is part of the Kipawa syenite complex of peralkaline syenites, gneisses, and amphibolites that are intercalated with calc-silicate rocks and marbles overlain by a peralkaline gneissic granite. The REE deposit is principally composed of eudialyte, mosandrite and britholite, and less abundant minerals such as xenotime, monazite or euxenite. The Kipawa Complex outcrops as a series of thin, folded sheet imbricates located betw

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Scanlan, E. J., M. Leybourne, D. Layton-Matthews, A. Voinot, and N. van Wagoner. Alkaline magmatism in the Selwyn Basin, Yukon: relationship to SEDEX mineralization. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328994.

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Several sedimentary exhalative (SEDEX) deposits have alkaline magmatism that is temporally and spatially associated to mineralization. This report outlines interim data from a study of potential linkages between magmatism and SEDEX mineralization in the Selwyn Basin, Yukon. This region is an ideal study site due to the close spatial and temporal relationships between SEDEX deposits and magmatism, particularly in the MacMillan Pass, where volcanic rocks have been drilled with mineralization at the Boundary deposit. Alkaline volcanic samples were analysed from the Anvil District, MacMillan Pass,

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Piercey, S. J., and J. L. Pilote. Nd-Hf isotope geochemistry and lithogeochemistry of the Rambler Rhyolite, Ming VMS deposit, Baie Verte Peninsula, Newfoundland: evidence for slab melting and implications for VMS localization. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328988.

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New high precision lithogeochemistry and Nd and Hf isotopic data were collected on felsic rocks of the Rambler Rhyolite formation from the Ming volcanogenic massive sulphide (VMS) deposit, Baie Verte Peninsula, Newfoundland. The Rambler Rhyolite formation consists of intermediate to felsic volcanic and volcaniclastic rocks with U-shaped primitive mantle normalized trace element patterns with negative Nb anomalies, light rare earth element-enrichment (high La/Sm), and distinctively positive Zr and Hf anomalies relative to surrounding middle rare earth elements (high Zr-Hf/Sm). The Rambler Rhyol

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Roddick, J. C., R. W. Sullivan, and F. O. Dudas. Precise Calibration of Tracer Compositions For Sm - Nd Isotopic Studies. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/132926.

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