Reevaluating carbon fluxes in subduction zones, what goes down, mostly comes up

PB Kelemen, CE Manning - Proceedings of the National …, 2015 - National Acad Sciences
Carbon fluxes in subduction zones can be better constrained by including new estimates of
carbon concentration in subducting mantle peridotites, consideration of carbonate solubility …

Chemical geodynamics of mafic magmatism above subduction zones

YF Zheng, Z Xu, L Chen, LQ Dai, ZF Zhao - Journal of Asian Earth Sciences, 2020 - Elsevier
The geochemical signatures of subducting crust have been identified in various types of
mafic igneous rocks at convergent plate boundaries, where island arc basalts (IAB) and …

Continental versus oceanic subduction zones

YF Zheng, YX Chen - National Science Review, 2016 - academic.oup.com
Subduction zones are tectonic expressions of convergent plate margins, where crustal rocks
descend into and interact with the overlying mantle wedge. They are the geodynamic system …

The role of pyroxenite in basalt genesis: Melt‐PX, a melting parameterization for mantle pyroxenites between 0.9 and 5 GPa

S Lambart, MB Baker, EM Stolper - Journal of Geophysical …, 2016 - Wiley Online Library
Geochemical and isotopic data suggest that the source regions of oceanic basalts may
contain pyroxenite in addition to peridotite. In order to incorporate the wide range of …

Evolution of carbonated melt to alkali basalt in the South China Sea

GL Zhang, LH Chen, MG Jackson, AW Hofmann - Nature Geoscience, 2017 - nature.com
CO2 is considered to play a key role in the melting of the deep upper mantle, and
carbonated silicate melts have been widely predicted by partial melting experiments to exist …

[HTML][HTML] Hainan mantle plume produced late Cenozoic basaltic rocks in Thailand, Southeast Asia

Q Yan, X Shi, I Metcalfe, S Liu, T Xu, N Kornkanitnan… - Scientific Reports, 2018 - nature.com
Intraplate volcanism initiated shortly after the cessation of Cenozoic seafloor spreading in
the South China Sea (SCS) region, but the full extent of its influence on the Indochina block …

[HTML][HTML] 电子探针分析技术进展及面临的挑战

张迪, 陈意, 毛骞, 苏斌, 贾丽辉, 郭顺 - 岩石学报, 2019 - html.rhhz.net
电子探针是研究地球与行星物质组成最基础的微束分析技术. 近年来, 固体地球科学和行星科学
的不断发展, 促使电子探针分析技术取得了一系列进展: 矿物微量元素分析 …

Partial melting of fertile peridotite fluxed by hydrous rhyolitic melt at 2–3 GPa: implications for mantle wedge hybridization by sediment melt and generation of …

A Mallik, J Nelson, R Dasgupta - Contributions to Mineralogy and …, 2015 - Springer
We investigated the melting behavior of peridotite fluxed with 25 wt% of H 2 O-bearing
rhyolitic sediment melt (1.8 wt% bulk H 2 O), by performing experiments from 1100 to 1300° …

Sampling the volatile-rich transition zone beneath Bermuda

SE Mazza, E Gazel, M Bizimis, R Moucha, P Béguelin… - Nature, 2019 - nature.com
Intraplate magmatic provinces found away from plate boundaries provide direct sampling of
the composition and heterogeneity of the Earth's mantle. The chemical heterogeneities that …

Compositional transition in natural alkaline lavas through silica-undersaturated melt–lithosphere interaction

ZZ Wang, SA Liu, LH Chen, SG Li, G Zeng - Geology, 2018 - pubs.geoscienceworld.org
Natural alkaline lavas have diverse compositions—varying widely from nephelinite through
basanite to alkali olivine basalt—the origin of which is controversial. In particular, identifying …