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A new appraisal of Sri Lankan BB zircon as a reference material for LA-ICP-MS U-Pb geochronology and Lu-Hf isotope tracing

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A new appraisal of Sri Lankan BB zircon as a reference material for LA-ICP-MS U-Pb geochronology and Lu-Hf isotope tracing. / Santos, Maristella M.; Lana, Cristiano; Scholz, Ricardo; Buick, Ian; Schmitz, Mark D.; Kamo, Sandra L.; Gerdes, Axel; Corfu, Fernando; Tapster, Simon; Lancaster, Penelope; Storey, Craig D.; Basei, Miguel A. S.; Tohver, Eric; Alkmim, Ana; Nalini, Herminio; Krambrock, Klaus; Fantini, Cristiano; Wiedenbeck, Michael.

In: Geostandards and Geoanalytical Research, 14.03.2017.

Research output: Contribution to journalArticlepeer-review

Harvard

Santos, MM, Lana, C, Scholz, R, Buick, I, Schmitz, MD, Kamo, SL, Gerdes, A, Corfu, F, Tapster, S, Lancaster, P, Storey, CD, Basei, MAS, Tohver, E, Alkmim, A, Nalini, H, Krambrock, K, Fantini, C & Wiedenbeck, M 2017, 'A new appraisal of Sri Lankan BB zircon as a reference material for LA-ICP-MS U-Pb geochronology and Lu-Hf isotope tracing', Geostandards and Geoanalytical Research. https://doi.org/10.1111/ggr.12167

APA

Santos, M. M., Lana, C., Scholz, R., Buick, I., Schmitz, M. D., Kamo, S. L., Gerdes, A., Corfu, F., Tapster, S., Lancaster, P., Storey, C. D., Basei, M. A. S., Tohver, E., Alkmim, A., Nalini, H., Krambrock, K., Fantini, C., & Wiedenbeck, M. (2017). A new appraisal of Sri Lankan BB zircon as a reference material for LA-ICP-MS U-Pb geochronology and Lu-Hf isotope tracing. Geostandards and Geoanalytical Research. https://doi.org/10.1111/ggr.12167

Vancouver

Santos MM, Lana C, Scholz R, Buick I, Schmitz MD, Kamo SL et al. A new appraisal of Sri Lankan BB zircon as a reference material for LA-ICP-MS U-Pb geochronology and Lu-Hf isotope tracing. Geostandards and Geoanalytical Research. 2017 Mar 14. https://doi.org/10.1111/ggr.12167

Author

Santos, Maristella M. ; Lana, Cristiano ; Scholz, Ricardo ; Buick, Ian ; Schmitz, Mark D. ; Kamo, Sandra L. ; Gerdes, Axel ; Corfu, Fernando ; Tapster, Simon ; Lancaster, Penelope ; Storey, Craig D. ; Basei, Miguel A. S. ; Tohver, Eric ; Alkmim, Ana ; Nalini, Herminio ; Krambrock, Klaus ; Fantini, Cristiano ; Wiedenbeck, Michael. / A new appraisal of Sri Lankan BB zircon as a reference material for LA-ICP-MS U-Pb geochronology and Lu-Hf isotope tracing. In: Geostandards and Geoanalytical Research. 2017.

Bibtex

@article{4ba72d61dd0544c5a093bea93023ba3c,
title = "A new appraisal of Sri Lankan BB zircon as a reference material for LA-ICP-MS U-Pb geochronology and Lu-Hf isotope tracing",
abstract = "A potential zircon reference material (BB zircon) for laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) U-Pb geochronology and Hf isotope geochemistry is described. A batch of twenty zircon megacrysts (0.5–1.5 cm3) from Sri Lanka was studied. Within-grain rare earth element (REE) compositions are largely homogeneous, albeit with some variation seen between fractured and homogeneous domains. Excluding fractured cathodoluminescence bright domains, the variation in U content for all analysed crystals ranged from 227 to 368 μg g−1 and the average Th/U ratios were between 0.20 and 0.47. The Hf isotope composition (0.56–0.84 g/100 g Hf) is homogeneous within and between the grains – mean 176Hf/177Hf of 0.281674 ± 0.000018 (2s). The calculated alpha dose of 0.59 × 1018 g−1 for a number of BB grains falls within the trend of previously studied, untreated zircon samples from Sri Lanka. Aliquots of the same crystal (analysed by ID-TIMS in four different laboratories) gave consistent U-Pb ages with excellent measurement reproducibility (0.1–0.4% RSD). Interlaboratory assessment (by LA-ICP-MS) from individual crystals returned results that are within uncertainty equivalent to the TIMS ages. Finally, we report on within- and between-grain homogeneity of the oxygen isotope systematic of four BB crystals (13.16‰ VSMOW).",
keywords = "BB ziron, Sri Lankan reference material, U-Pb geochronology, Hf isotopic system, Rare Earth Elements, LA-ICP-MS",
author = "Santos, {Maristella M.} and Cristiano Lana and Ricardo Scholz and Ian Buick and Schmitz, {Mark D.} and Kamo, {Sandra L.} and Axel Gerdes and Fernando Corfu and Simon Tapster and Penelope Lancaster and Storey, {Craig D.} and Basei, {Miguel A. S.} and Eric Tohver and Ana Alkmim and Herminio Nalini and Klaus Krambrock and Cristiano Fantini and Michael Wiedenbeck",
year = "2017",
month = mar,
day = "14",
doi = "10.1111/ggr.12167",
language = "English",
journal = "Geostandards and Geoanalytical Research",
issn = "1639-4488",
publisher = "Wiley-Blackwell",

}

RIS

TY - JOUR

T1 - A new appraisal of Sri Lankan BB zircon as a reference material for LA-ICP-MS U-Pb geochronology and Lu-Hf isotope tracing

AU - Santos, Maristella M.

AU - Lana, Cristiano

AU - Scholz, Ricardo

AU - Buick, Ian

AU - Schmitz, Mark D.

AU - Kamo, Sandra L.

AU - Gerdes, Axel

AU - Corfu, Fernando

AU - Tapster, Simon

AU - Lancaster, Penelope

AU - Storey, Craig D.

AU - Basei, Miguel A. S.

AU - Tohver, Eric

AU - Alkmim, Ana

AU - Nalini, Herminio

AU - Krambrock, Klaus

AU - Fantini, Cristiano

AU - Wiedenbeck, Michael

PY - 2017/3/14

Y1 - 2017/3/14

N2 - A potential zircon reference material (BB zircon) for laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) U-Pb geochronology and Hf isotope geochemistry is described. A batch of twenty zircon megacrysts (0.5–1.5 cm3) from Sri Lanka was studied. Within-grain rare earth element (REE) compositions are largely homogeneous, albeit with some variation seen between fractured and homogeneous domains. Excluding fractured cathodoluminescence bright domains, the variation in U content for all analysed crystals ranged from 227 to 368 μg g−1 and the average Th/U ratios were between 0.20 and 0.47. The Hf isotope composition (0.56–0.84 g/100 g Hf) is homogeneous within and between the grains – mean 176Hf/177Hf of 0.281674 ± 0.000018 (2s). The calculated alpha dose of 0.59 × 1018 g−1 for a number of BB grains falls within the trend of previously studied, untreated zircon samples from Sri Lanka. Aliquots of the same crystal (analysed by ID-TIMS in four different laboratories) gave consistent U-Pb ages with excellent measurement reproducibility (0.1–0.4% RSD). Interlaboratory assessment (by LA-ICP-MS) from individual crystals returned results that are within uncertainty equivalent to the TIMS ages. Finally, we report on within- and between-grain homogeneity of the oxygen isotope systematic of four BB crystals (13.16‰ VSMOW).

AB - A potential zircon reference material (BB zircon) for laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) U-Pb geochronology and Hf isotope geochemistry is described. A batch of twenty zircon megacrysts (0.5–1.5 cm3) from Sri Lanka was studied. Within-grain rare earth element (REE) compositions are largely homogeneous, albeit with some variation seen between fractured and homogeneous domains. Excluding fractured cathodoluminescence bright domains, the variation in U content for all analysed crystals ranged from 227 to 368 μg g−1 and the average Th/U ratios were between 0.20 and 0.47. The Hf isotope composition (0.56–0.84 g/100 g Hf) is homogeneous within and between the grains – mean 176Hf/177Hf of 0.281674 ± 0.000018 (2s). The calculated alpha dose of 0.59 × 1018 g−1 for a number of BB grains falls within the trend of previously studied, untreated zircon samples from Sri Lanka. Aliquots of the same crystal (analysed by ID-TIMS in four different laboratories) gave consistent U-Pb ages with excellent measurement reproducibility (0.1–0.4% RSD). Interlaboratory assessment (by LA-ICP-MS) from individual crystals returned results that are within uncertainty equivalent to the TIMS ages. Finally, we report on within- and between-grain homogeneity of the oxygen isotope systematic of four BB crystals (13.16‰ VSMOW).

KW - BB ziron

KW - Sri Lankan reference material

KW - U-Pb geochronology

KW - Hf isotopic system

KW - Rare Earth Elements

KW - LA-ICP-MS

U2 - 10.1111/ggr.12167

DO - 10.1111/ggr.12167

M3 - Article

JO - Geostandards and Geoanalytical Research

JF - Geostandards and Geoanalytical Research

SN - 1639-4488

ER -

ID: 7058723