Mantle array
Web26. avg 2014. · 求问,mantle array该怎么翻译?. array, which overlaps the proposed ‘‘C’’ mantle component of Hanan and Graham (1996). 是一篇Hf同位素地球化学文献中的句子 … Web01. jul 1986. · A number of oceanic island basalts display isotopic characteristics which fall below the so-called Nd-Sr mantle array. The most extreme (lowest Nd) samples from …
Mantle array
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WebFor this mantle array, various stoichiometric coefficients for the melting reaction and the initial bulk composition of a fertile peridotite were tested to give constraint on those parameters. The Mg-rich part of the mantle olivine array can also be reproduced by either batch or fractional melting, but its Fe-rich segment may be most plausibly ... WebMantle olivine array after Takahashi et al. (1987). Ol m , metamorphic olivine. (b) Cr-number in spinel vs Mg-number in olivine. Light grey field represents values for oceanic SSZ peridotites ...
Web15. jul 2024. · DOI: 10.1016/J.EPSL.2024.04.015 Corpus ID: 181634822; Origins of the terrestrial Hf-Nd mantle array: Evidence from a combined geodynamical-geochemical … Web03. apr 2003. · Measured and initial Pb isotope compositions are presented in Table 3, and plotted in Fig. 5a, b. The data from the Bukusu and Sukulu samples fall close to previously determined data (Bell and Tilton 2001; Nelson et al. 1988) near the HIMU mantle end member.The sample from Oldoinyo Lengai falls within previous determinations, which …
Web08. maj 2009. · This paper provides a review of array-based imaging techniques that use converted and scattered teleseismic waves. It addresses various aspects of the imaging …
Web26. nov 2024. · The fugacity of oxygen (f O2) in Earth’s mantle fundamentally influences the generation and evolution of basaltic magmas ().The overall higher f O2 recorded by arc magmas as compared to mid-ocean ridge basalts (MORB) has been widely attributed to the influence of oxidized slab materials on the magma sources (2, 3), as evidenced by the …
Web03. nov 2011. · Mantle array (heavy line) defined by depleted MORB mantle (DMM, McKenzie and O’Nions 1991) and primitive mantle (PM, Sun and McDonough 1989). … local government ceo remunerationWeb02. okt 2013. · Figure 12c shows that spinels from the present study fall on the olivine-spinel mantle array in the Mg# in olivine versus Cr# in spinel variation diagram (Arai 1987, 1994). However, data from the dissolution-cooling experiments of Tursack and Liang fall off the mantle array to the right (gray dots in Fig. 12c). The latter may be attributed in ... indian creek baptist campgroundsWebmantle array. Quick Reference. A term used in isotope geochemistry to describe a graphical plot of 144 Nd: 143 Nd against 87 Sr: 86 Sr for igneous rocks. Rocks which … local government budgetsWebA common example of this definition is a martingale difference array. Stack Exchange Network. Stack Exchange network consists of 181 Q&A communities including Stack … indian creek auto wreckersWeb15. jan 2024. · Here we show that unambiguously later P-waves scattered from some obstacles in the mantle wedge are well recorded at a dense seismic array (Formosa … local government capability framework nswWebOrigins of the terrestrial Hf-Nd mantle array: evidence from a combined geodynamical-geochemical approach Abstract: The formation and segregation of oceanic and continental crust from the mantle, and its return to the mantle via subduction and/or delamination, leads to the development of distinct geochemical reservoirs in the terrestrial mantle. local government city corporation act 2009Web01. apr 2008. · The variation of the 3-D shear wave speed structure in the crust and upper mantle beneath the array area (up to about ±8 per cent variation with respect to the average value) is much larger than suggested by traditional (larger scale, but lower resolution) surface wave tomography. The inferred heterogeneity reflects a complicated … local government bodies