MPI‐DING reference glasses for in situ microanalysis: New reference values for element concentrations and isotope ratios

Jochum, Klaus Peter; Stoll, Brigitte; Herwig, K.; Willbold, M.; Hofmann, Albrecht W.; Amini, Marghaleray; Aarburg, Susanne; Abouchami, W.; Hellebrand, E.; Mocek, B.; Raczek, Ingrid; Stracke, Andreas; Alard, Olivier; Bouman, C.; Becker, Stefan; Dücking, Marc; Brätz, Helene; Klemd, Reiner; Bruin, D. de; Canil, Dante; Cornell, David H.; Hoog, Jan C.M. De; Dalpé, Claude; Danyushevsky, Leonid V.; Eisenhauer, Anton; Gao, Yongjun; Snow, J. E.; Groschopf, Nora; Günther, Detlef; Latkoczy, Christopher; Guillong, Marcel; Hauri, E. H.; Höfer, Heidi E.; Lahaye, Yann; Horz, Kersten H; Jacob, Dorrit E.; Kasemann, Simone A.; Kent, Adam J.R.; Ludwig, Thomas; Zack, Thomas; Mason, Paul R.D.; Meixner, Anette; Rosner, Martin; Misawa, K.; Nash, Barbara P.; Pfänder, Jörg A.; Premo, Wayne R.; Sun, Weidong; Tiepolo, Massimo; Vannucci, R.; Vennemann, Torsten; Wayne, Dave; Woodhead, Jon

doi:10.1029/2005gc001060

Cited by 618 publications

(473 citation statements)

References 97 publications

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“…On-peak count times were 10 s for Na; 30 s for Si, Al, K, Ca, Fe, Mg, Ti, and Mn; and 60 s for P. The electron probe was calibrated using a suite of characterized minerals and oxides standards; accuracy and precision was monitored by intermittent analysis of fused volcanic glass standards ATHO-G and StHs6/80-G, from the Max-Planck-Institut für Chemie-Dingwell (MPI-DING) collection (35,36) (Table S1). …”

Section: Methodsmentioning

confidence: 99%

Ash from the Toba supereruption in Lake Malawi shows no volcanic winter in East Africa at 75 ka

Lane

Chorn

Johnson

2013

Proc. Natl. Acad. Sci. U.S.A.

170

108

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The most explosive volcanic event of the Quaternary was the eruption of Mt. Toba, Sumatra, 75,000 y ago, which produced voluminous ash deposits found across much of the Indian Ocean, Indian Peninsula, and South China Sea. A major climatic downturn observed within the Greenland ice cores has been attributed to the cooling effects of the ash and aerosols ejected during the eruption of the Youngest Toba Tuff (YTT). These events coincided roughly with a hypothesized human genetic bottleneck, when the number of our species in Africa may have been reduced to near extinction. Some have speculated that the demise of early modern humans at that time was due in part to a dramatic climate shift triggered by the supereruption. Others have argued that environmental conditions would not have been so severe to have such an impact on our ancestors, and furthermore, that modern humans may have already expanded beyond Africa by this time. We report an observation of the YTT in Africa, recovered as a cryptotephra layer in Lake Malawi sediments, >7,000 km west of the source volcano. The YTT isochron provides an accurate and precise age estimate for the Lake Malawi paleoclimate record, which revises the chronology of past climatic events in East Africa. The YTT in Lake Malawi is not accompanied by a major change in sediment composition or evidence for substantial temperature change, implying that the eruption did not significantly impact the climate of East Africa and was not the cause of a human genetic bottleneck at that time.

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Section: Methodsmentioning

confidence: 99%

Ash from the Toba supereruption in Lake Malawi shows no volcanic winter in East Africa at 75 ka

Lane

Chorn

Johnson

2013

Proc. Natl. Acad. Sci. U.S.A.

170

108

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“…Well-established silicate reference materials for B isotope analysis only became available relatively recently (e.g., Jochum et al 2006), and analytical protocols have been improved over the past two decades (e.g., Aggarwal et al 2009;Foster et al 2013Foster et al , 2017Marschall and Monteleone 2015). Discrepancies among the different studies from the 1980s and 1990s cited above and displayed in Fig.…”

Section: Mid-ocean Ridge Basaltsmentioning

confidence: 99%

Boron Isotopes in the Ocean Floor Realm and the Mantle

Marschall

2017

Boron Isotopes

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This chapter reviews the boron isotopic composition of the ocean floor, including pristine igneous oceanic crust such as mid-ocean ridge basalts and ocean island basalts and their implications for the B isotopic composition of the mantle. The chapter further discusses the B isotopic effects of assimilation of altered crustal materials in mantle-derived magmas. The systematics of seawater alteration on oceanic rocks are discussed, including sediments, igneous crust and serpentinization of ultramafic rocks and the respective marine hydrothermal vent fluids. The chapter concludes with a discussion of the secular evolution of the B isotopic composition of seawater.

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“…They mainly include USGS reference glasses (BCR-2G, BHVO-2G and BIR-1G), MPI-DING reference glasses (KL2-G, ML3B-G, StHs6/80-G, GOR128-G, GOR132-G, BM90/21-G, ATHO-G and T1-G) and Chinese Geological Standard Glasses (CGSG) (CGSG-1, CGSG-2, CGSG-4 and CGSG-5). The USGS reference glasses have natural basaltic compositions [27,[58][59][60], whereas the MPI-DING reference glasses comprise basalt (KL2-G and ML3B-G), andesite (StHs6/80-G), komatiite (GOR128-G, GOR132-G), peridotite (BM90/21-G), rhyolite (ATHO-G) and quartz diorite (T1-G) [61,62], and the CGSG reference glasses comprise basalt (CGSG-1), syenite (CGSG-2), andesite (CGSG-5) and soil (CGSG-4) [63].…”

Section: Reference Materials and Matrix Effectsmentioning

confidence: 99%

Applications of LA-ICP-MS in the elemental analyses of geological samples

Liu

et al. 2013

Chin. Sci. Bull.

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Laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS), which is a rapidly developing analytical technique for the analyses of trace elements and isotopes, plays an important role in advancing the study of Earth science, especially with respect to micro-geochemistry. This article reviews the application of LA-ICP-MS in the elemental analysis of solid geological samples. Although LA-ICP-MS has been widely used in the spatial resolution analysis of element compositions and rapid bulk analysis of whole-rock and soil samples, the analysis accuracy is restricted by numerous factors, including the instrumental conditions, the elemental fractionation and matrix effects, the lack of sufficient matrix-matched reference materials, and the strategies for quantitative calibration and sensitivity drift correction. According to the type of samples and the analyte elements, the analysis accuracy can be improved through the optimization of instrument conditions and the adoption of suitable correction strategies and reference materials. LA-ICP-MS, geological sample, elemental analysis, quantitative strategy Citation:Liu Y S, Hu Z C, Li M, et al. Applications of LA-ICP-MS in the elemental analyses of geological samples.

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MPI‐DING reference glasses for in situ microanalysis: New reference values for element concentrations and isotope ratios

Cited by 618 publications

References 97 publications

Ash from the Toba supereruption in Lake Malawi shows no volcanic winter in East Africa at 75 ka

Ash from the Toba supereruption in Lake Malawi shows no volcanic winter in East Africa at 75 ka

Boron Isotopes in the Ocean Floor Realm and the Mantle

Applications of LA-ICP-MS in the elemental analyses of geological samples

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