Quantitative SIMS analysis of GSJ rock reference samples.

Yurimoto, H.; Yamashita, Akihisa; Nishida, Norimasa; Sueno, Shigeho

doi:10.2343/geochemj.23.215

Cited by 40 publications

(11 citation statements)

References 15 publications

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“…The analytical procedure used on the ion microprobe was after Yurimoto et al (1989) and Wang & Yurimoto (1993). Ion microprobe analyses are listed in Table 3.…”

Section: Methodsmentioning

confidence: 99%

Petrochemical characteristics of felsic veins in mantle xenoliths from Tallante (SE Spain): an insight into activity of silicic melt within the mantle wedge

Shimizu¹,

Arai²,

Morishita³

et al. 2004

The Fifth Hutton Symposium on the Origin of Granites and Related Rocks

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Felsic and related veins within mantle-derived peridotite xenoliths from Tallante, Spain, were examined in order to understand the mantle-wedge processes related to the behaviour of Si-rich melt. The thickest part of the vein has a quartz diorite lithology, and is composed mainly of quartz and plagioclase, with pyroxenes, hydrous mineral, apatite, zircon and rutile present as minor phases. The thinner parts are free of quartz and predominantly composed of plagioclase. Orthopyroxene always intervenes between the internal part (plagioclase ± quartz) and host peridotite, indicating that it is a product of interaction between silica-oversaturated melt and olivine. This indicates that a sufficiently high melt/wall rock ratio enabled the melt to retain its silicaoversaturated character.The quartz diorite part has adakite-like geochemical signatures, except for negative Ba, Rb Eu and Sr anomalies, and positive Th and U anomalies. These negative anomalies indicate that fractionation of plagioclase and hydrous minerals was achieved between the upper most mantle and the slab melting zone. The shape of the rare-earth element (REE) pattern of clinopyroxene in quartz diorite is strikingly similar to that of clinopyroxene phenocrysts from Aleutian adakites. However, the former has one order higher REE contents than the latter, except for Eu which shows a prominent negative spike. This feature was caused by the precipitation of large amounts of plagioclase and small amounts of clinopyroxene from a fractionated adakitic melt before and during solidification. This adakitic melt was produced by partial melting of a detached and sinking slab beneath the Betic area in the Tertiary.

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“…The analytical procedure used on the ion microprobe was after Yurimoto et al (1989) and Wang & Yurimoto (1993). Ion microprobe analyses are listed in Table 3.…”

Section: Methodsmentioning

confidence: 99%

Petrochemical characteristics of felsic veins in mantle xenoliths from Tallante (SE Spain): an insight into activity of silicic melt within the mantle wedge

Shimizu¹,

Arai²,

Morishita³

et al. 2004

The Fifth Hutton Symposium on the Origin of Granites and Related Rocks

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“…We used a secondary ion mass-spectrometer (SIMS), Cameca IMS-3F instrument, for measuring the trace elements in the charge. Details of the analysis by SIMS were described by Yurimoto, et al [1989].…”

Section: Chemical Analysis Of the Run Productmentioning

confidence: 99%

Element partitioning between metallic liquid, magnesiowustite, and silicate liquid at 20 GPa and 2500°C: A secondary ion mass spectrometric study

Ohtani

Yurimoto

1996

Geophysical Research Letters

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We determined the partition coefficients of 20 elements between metallic liquid, magnesiowustite, and silicate liquid at 20 GPa and 2500°C. The partition coefficients of V, Cr, Mn, Co, Ni, and Cu between metallic liquid and magnesiowustite are similar to those between metallic liquid and silicate liquid. The partitioning behavior of Si, P, W and Pb between metallic liquid and magnesiowustite show remarkable differences to that between metallic liquid and silicate liquid, reflecting incompatibility of these elements in magnesiowustite. Comparison of the present data with the previous ones implies that the metallic liquid‐siicate liquid partition coefficients of Co, Ni, W, and Mo decrease whereas those of Cr, and Mn increase due to the combined effect of pressure and temperature, although some other factors such as the liquid composition might play some roles on a large difference in D for Mo and W. The core and mantle concentrations for Co and Ni estimated by Allegre et al. [1995] are consistent with the metal‐silicate equilibrium at lower mantle conditions, although other models such as inhomogeneous accretion are also able to explain the core‐mantle concentrations.

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“…Trace element contents (ppm) and Cr# of chromian spinel in massive olivine-poor chromitites from Tari-Misaka, Troodos and northern Oman. The trace element contents were determined by ion probe at the University of Tsukuba(Yurimoto et al 1989). …”

mentioning

confidence: 99%

“…01, olivine; Sp, chromian spinel; Chr, chromitite (0.7 01 + 0.3 Sp). Orthopyroxene form the Tari-Misaka complex was analyzed by SIMS(Yurimoto et al 1989).and DSp-Me't a re from Yurimoto et al(1984, 1987) except for V (Kelemen etal. 1990).…”

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Possible sub‐arc origin of podiform chromitites

Arai

Yurimoto

1995

Island Arc

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The sub-arc mantle condition possibly favors the formation of podiform chromitites.The Cr/(Cr + Al) atomic ratio (= Cr#) of their chromian spinel frequently is higher than 0.7, which js comparable with the range for arc-related primitive magmas. This almost excludes the possibility of their sub-oceanic origin, because both oceanic peridotites and MORB have chromian spinel with the Cr# < 0.6. Precipitation of chromitite and associated dunite enhances a relative depletion of high-field strength elements (HFSE) to large-ion lithophile elements (LILE), one of chemical characteristics of arc magmas, for the involved magma. This cannot alter completely, however, the MORB to the arc-type magma, especially for Ti and Zr. The presence of chromitite xenoliths, similar both in texture and in chemistry to podiform chromitites of some ophiolitic complexes, in some Cenozoic alkali basalts from the southwest Japan arc indicates directly that the upper mantle beneath the Japan arcs has chromitites.

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Quantitative SIMS analysis of GSJ rock reference samples.

Cited by 40 publications

References 15 publications

Petrochemical characteristics of felsic veins in mantle xenoliths from Tallante (SE Spain): an insight into activity of silicic melt within the mantle wedge

Petrochemical characteristics of felsic veins in mantle xenoliths from Tallante (SE Spain): an insight into activity of silicic melt within the mantle wedge

Element partitioning between metallic liquid, magnesiowustite, and silicate liquid at 20 GPa and 2500°C: A secondary ion mass spectrometric study

Possible sub‐arc origin of podiform chromitites

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