Assessment of hafnium and iron isotope compositions of Chinese national igneous rock standard materials GSR-1 (granite), GSR-2 (andesite), and GSR-3 (basalt)

Cheng, Ting; Nebel, Oliver; Sossi, Paolo A.; Chen, Fukun

doi:10.1016/j.ijms.2015.06.014

Cited by 13 publications

(5 citation statements)

References 29 publications

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“…The lowest detection limit for U, Cs, Ta, Sn, and REE is about 0.1 ppm. The USGS standard AGV‐1 and Chinese national rock standard GSR‐2 were used as reference materials (Cheng, Nebel, Sossi, & Chen, ; Gladney, Jones, Nickell, & Roelandts, ). The detailed sample preparation procedures for determining the concentrations of major and trace elements have been reported by Gou et al ().…”

Section: Analytical Methods and Resultsmentioning

confidence: 99%

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Geochemistry, Petrology, and U–Pb dating of high‐K volcanic rocks in wells WC‐1 and Y‐2 from the northern Junggar Basin, northwestern China: Implications for the closure of the Keramaili oceanic basin during the Carboniferous

et al. 2018

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Carboniferous volcanic rocks are widely distributed in the Junggar Basin and may provide a unique insight into the tectonic history of this basin. In this paper, we focus on the tectonic evolution of the northern Junggar Basin (NJB) using geochronological and geochemical data to establish the diachronous closure model for the Keramaili oceanic basin. The Lower Carboniferous strata in the eastern part (well WC‐1) and the Upper Carboniferous strata in the western part (well Y‐2) of the NJB are composed of a mix of compositional and rock‐type forms. These volcanic rocks are mostly high‐K assemblages characterized by high K (1.73–6.48%), high alkali (Na2O + K2O = 5.04–7.45%), and low TiO2 (0.57–1.06%). They also exhibit various REE concentrations (68.44–168.19 ppm), an enrichment of LREE (LaN/YbN = 4.54–8.09), and small negative Eu anomalies (δEu = 0.74–0.90). The depletion of HFSE and relevant tectonic setting discrimination diagrams demonstrate that these two volcanic associations were formed in a subduction‐related environment. The data also indicate that the high‐K volcanic rocks are derived from a mix of melted subducted sediments and mantle metasomatized by silica‐rich fluids. Although these two sets of volcanic rocks formed in Early and Late Carboniferous, the similar petrographic and geochemical natures suggest similar magma source and tectonic setting. Along with different regional tectonic settings in the NJB during the Carboniferous, we propose an asynchronous subduction of Keramaili oceanic basin, resulting in the inconsistent temporal and spatial distribution of Upper Carboniferous volcanic rocks in the NJB.

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Section: Analytical Methods and Resultsmentioning

confidence: 99%

“…Samples WC‐1‐2, WC‐1‐3, Y‐2‐1 and Y‐2‐3 are originated from S. Han et al () for comparison. The USGS standard AGV‐1 and Chinese national rock standard GSR‐2 were used as reference materials (Cheng et al, ; Gladney et al, ).…”

Section: Analytical Methods and Resultsmentioning

confidence: 99%

Geochemistry, Petrology, and U–Pb dating of high‐K volcanic rocks in wells WC‐1 and Y‐2 from the northern Junggar Basin, northwestern China: Implications for the closure of the Keramaili oceanic basin during the Carboniferous

et al. 2018

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“…For example, iron isotopic compositions were presented in different publications for a wide range of RMs which cover basaltic RMs such as BCR‐2 (USGS) and JB‐2 (GSJ) as well as Chinese sandstone, shale or limestone RMs such as GSR‐4, GSR‐5 or GSR‐6 from the National Research Centre for Certified Reference Materials (NRCCRM; Cheng et al . , He et al . ).…”

Section: Scientific Journals From Which Relevant Articles Were Reviewedmentioning

confidence: 99%

“…Many articles now contain stable isotope data for RMs. For example, iron isotopic compositions were presented in different publications for a wide range of RMs which cover basaltic RMs such as BCR-2 (USGS) and JB-2 (GSJ) as well as Chinese sandstone, shale or limestone RMs such as GSR-4, GSR-5 or GSR-6 from the National Research Centre for Certified Reference Materials (NRCCRM; Cheng et al 2015, He et al 2015. Magnesium isotopic compositions for a large number of geological RMs as well as sea water are also provided .…”

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confidence: 99%

Geostandards and Geoanalytical Research Bibliographic Review 2015

Weis

Schwager

Nohl

et al. 2016

Geostandard Geoanalytic Res

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“…One popular strategy has been to take RMs originally prepared for elemental analysis and assess their suitability as matrix-matched isotope RMs. Examples included the analysis of 24 geological RMs for Mg isotopes 326 , three Chinese igneous rock RMs for Fe and Hf isotopes327 and a variety of RMs including 20 igneous and sedimentary rocks for Mo isotope ratios328 . Fourny et al 329 provided Hf-Nd-Pb-Sr isotope data on 11 rock RMs covering a wide range of geological compositions, while another study 330 published long term QC data for the They took the most reliable published data sets available and followed ISO guidelines as closely as possible.…”

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confidence: 99%

Atomic spectrometry update – a review of advances in environmental analysis

Butler

Cairns

Cook

et al. 2017

J. Anal. At. Spectrom.

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This is the 29th annual review of the application of atomic spectrometry to the chemical analysis of environmental samples. This Update refers to papers published approximately between September 2012 and July 2013 and continues the series ofAtomic Spectrometry Updates (ASUs) Developments in geochemical analysis included the production and (re)certification of new geological RMs for bulk, isotopic and microspatial analysis. Optimisation of LA-ICP-MS techniques for the interrogation of geochemical samples continues to be reported and a number of useful instrumental review articles (AMS, ICP-MS and SIMS) have been published.Feedback on this review is most welcome and the review coordinator can be contacted using the email address provided. Sampling techniquesThe development of personal workplace air samplers, used to monitor workers' exposure to airborne particles, continues to be a fertile area of research. cartridge assembly which could then be loaded directly into an XRF system for analysis. Initial wind tunnel tests using test aerosols of known particle size indicated that this sampler could collect representative particle size distributions.Generation of test particle atmospheres in a laboratory environment is difficult and it is most informative to see publications describing the development and validation of aerosol test chambers. A system 21 for source characterisation and controlled human exposure to NPs generated during gas-metal arc welding had an airtight 22 m 3 climate-controlled stainless steel chamber at its core. A variety of online measurements, e.g. using TEOM or SMPS, and offline measurements, e.g. using electron microscopy and PIXE techniques, could be made via sampling ports/samplers. Test particles were generated in a separate chamber and subsequently piped into the main chamber. Stable concentrations of atmospheric particles could be maintained for up to 6 h and concentrations could be varied from <5 µg m by EDXRF spectrometry (Cr, Cu, Fe, Ni, Pb and Zn), there were no significant differences in values between the two measurement approaches (paired t-test, p > 0.2, 95 % CI). In summary, the authors concluded that this method was suitable for the high throughput analysis of lightly loaded air filter samples. 11The bioaccessible metal fraction in urban aerosol particles may be a more informative metric than the total metal composition in assessng the potential health effects of exposure to inhaled particles. . Using this optimised method, the airborne levels of Ag in Buenos Aires was determined to be 2-4.5 ng m , respectively. Emission spectroscopyInvestigation into the use of LIBS for the analysis of aerosol samples is a focus of a number of research groups. Elemental emission intensities were normalised to carbon (measured at 247.856 nm) which could be used as an internal standard because the carbon emission from the underlying nylon filter was much larger and relatively more stable than the signal from the deposited carbonaceous particles. This approach was useful for minimising shot-to-...

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Assessment of hafnium and iron isotope compositions of Chinese national igneous rock standard materials GSR-1 (granite), GSR-2 (andesite), and GSR-3 (basalt)

Cited by 13 publications

References 29 publications

Geochemistry, Petrology, and U–Pb dating of high‐K volcanic rocks in wells WC‐1 and Y‐2 from the northern Junggar Basin, northwestern China: Implications for the closure of the Keramaili oceanic basin during the Carboniferous

Geochemistry, Petrology, and U–Pb dating of high‐K volcanic rocks in wells WC‐1 and Y‐2 from the northern Junggar Basin, northwestern China: Implications for the closure of the Keramaili oceanic basin during the Carboniferous

Geostandards and Geoanalytical Research Bibliographic Review 2015

Atomic spectrometry update – a review of advances in environmental analysis

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