Hydration and dehydration in Earth's interior

E Ohtani - Annual Review of Earth and Planetary Sciences, 2021 - annualreviews.org
Hydrogen and deuterium isotopic evidence indicates that the source of terrestrial water was
mostly meteorites, with additional influx from nebula gas during accretion. There are two …

Highly oxidized intraplate basalts and deep carbon storage

XH Dong, SJ Wang, W Wang, S Huang, QL Li, C Liu… - Science …, 2024 - science.org
Deep carbon cycle is crucial for mantle dynamics and maintaining Earth's habitability.
Recycled carbonates are a strong oxidant in mantle carbon-iron redox reactions, leading to …

Intraplate volcanism triggered by bursts in slab flux

BR Mather, RD Müller, M Seton, S Ruttor, O Nebel… - Science …, 2020 - science.org
Long-lived, widespread intraplate volcanism without age progression is one of the most
controversial features of plate tectonics. Previously proposed edge-driven convection …

[PDF][PDF] 中国碳酸岩型稀土矿床: 时空分布与成矿过程

谢玉玲, 夏加明, 崔凯, 曲云伟, 梁培, 钟日晨 - 科学通报, 2020 - researchgate.net
摘要中国是世界最大的稀土资源国, 约98% 稀土资源来自碳酸岩型稀土矿床.
对碳酸岩型稀土矿床的成矿背景和矿床成因前人进行了大量的工作, 但仍存在认识上的分歧 …

Commentary on Jaillard, E.,(2022): Late Cretaceous-Paleogene orogenic build-up of the Ecuadorian Andes: Review and discussion

AM Alemán - Earth-Science Reviews, 2024 - Elsevier
Abstract Although Jaillard's (2022) paper denotes the first attempt to propose a model for the
orogeny build-up of the Ecuadorian Andes, it is based on endorsing the poorly constrained …

Zircon U–Pb geochronology and Sm–Nd and Rb–Sr isotope systematics of Neoproterozoic granitoïds from Bou Azzer (Anti-Atlas-Morocco): the obduction trigger of the …

M Ikenne, M Souhassou, B Cousens, P Montero… - Journal of African Earth …, 2023 - Elsevier
This study presents new U–Pb zircon ages for the Neoproterozoic granitoids of the Bou
Azzer inlier at the central part of the Anti-Atlas chain (Morocco), in the northwestern edge of …

Nephelinites in eastern China originating from the mantle transition zone

G Zeng, LH Chen, AW Hofmann, XJ Wang, JQ Liu… - Chemical …, 2021 - Elsevier
Nephelinites, a highly alkaline volcanic rock type, have widely been thought to be formed in
a shallow lithosphere previously impregnated with phlogopite and/or amphibole. Here we …

Carbonated eclogitic component beneath eastern China revealed by olivine phenocrysts in nephelinites

HL Zhang, G Zeng, JQ Liu, LH Chen, JH Yu, B Wu… - Chemical …, 2023 - Elsevier
Carbonates subducted into the mantle alongside mafic material play a critical role in the
deep cycling of carbon. This recycled oxidized carbon strongly affects the physical …

Zinc isotope constraints on carbonated mantle sources for rejuvenated-stage lavas from Kauaʻi, Hawaiʻi

J Yao, J Huang, G Zhang - Chemical Geology, 2022 - Elsevier
Sedimentary carbonates could be transported into Earth's mantle by plate subduction, but
the ultimate fate of these carbonates remains unclear. Zinc isotopes can allow the tracing of …

Recycled calcium carbonate is an efficient oxidation agent under deep upper mantle conditions

R Tao, Y Fei - Communications Earth & Environment, 2021 - nature.com
Observations of high ferric iron content in diamond garnet inclusions and mantle plume
melts suggest a highly heterogeneous distribution of ferric iron in the mantle. Recycling of …