Ming Tang

Peking University

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Cin‐Ty A. Lee

Rice University

Roberta L. Rudnick

University of California, Santa Barbara

Kang Chen

China University of Geosciences

Xu Chu

University of Toronto

Xiao‐Lei Wang

Nanjing University

Lifu Chen

Xiamen University

W. F. McDonough

University of Maryland, College Park

Richard M. Gaschnig

University of Massachusetts Lowell

Shuguang Song

Peking University

Zhaochu Hu

China University of Geosciences

Cooperative Institutions

Chinese Academy of Sciences

Peking University

Xiamen University

Nanjing University

University of Chinese Academy of Sciences

China University of Geosciences (Beijing)

Institute of Geology and Geophysics

China University of Geosciences

Chinese Academy of Geological Sciences

Rice University

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Oxygen fugacity of the young mare basalts returned by Chang’e-5 mission

Goldschmidt Abstracts (2023)

Ziqi Yang Ming Tang

Oxygen fugacity exerts an important control on the chemical differentiation and evolution of terrestrial planets.For the Moon, basalts returned by the Apollo mission have been extensively studied to suggest that the oxygen fugacity ranges between ironwϋstite (IW) buffer and ~1 log unit below it, more oxidized than small bodies but more reduced than other terrestrial planets in the Solar system.However, all of the Apollo samples are older than 2.9-2.8Ga and provide an incomplete picture of the redox evolution of the lunar mantle.The Lunar samples recently returned by China's Chang'e-5 mission have been dated to be ~2.0Ga and represent the youngest returned lunar mare basalts.Here, we use the redox-sensitive behavior of vanadium (V) in equilibrated olivine-clinopyroxene mineral pairs to reconstruct the oxygen fugacity of the young mare basalts returned by Chang'e-5.We find that the oxygen fugacity increases from ~IW-1 to >IW+1 with magmatic differentiation.Two possible explanations may account for this observed oxidation during magmatic differentiation.First, degassing may release large amounts of reduced gas, such as CO, H 2 , and H 2 S, leaving the remaining magma more oxidized.Second, ferric iron became more enriched in the melt due to its incompatibility in the olivine and clinopyroxene.The oxygen fugacity recorded by the most primitive olivine-clinopyroxene pairs is close to IW-1, within the oxygen fugacity range of the mare basalts returned by the Apollo missions.Our findings suggest that the oxygen fugacity of the Lunar mantle may have remained near constant during secular evolution.This hypothesis will be further tested when more primitive samples become available.

Mineral redox buffer

Fugacity

10.7185/gold2023.16417

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High Mg# of the continental crust explained by calc-alkaline differentiation

National Science Review (2022)

Ming Tang Xuanyu Liu Kang Chen

We used compiled geochemical data to investigate the mechanisms that control Mg# (molar ratio of Mg/(Mg + FeT)) in andesitic arc lavas. We find that andesites from mature continental arcs with crustal thickness of >45 km have systematically higher Mg# than those from oceanic arcs with crustal thickness of <30 km. The elevated Mg# in continental arc lavas results from strong Fe depletion during high-pressure differentiation favored in thick crusts. This proposal is reinforced by our compiled melting/crystallization experiment data. We show that the Mg# characteristics of continental arc lavas match that of the continental crust. These findings suggest that the formation of many high-Mg# andesites and the continental crust may not require slab-melt/peridotite interactions. Instead, the high Mg# of the continental crust can be explained by intracrustal calc-alkaline differentiation processes in magmatic orogens.

10.1093/nsr/nwac258

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Citations (4)

BUILDING CONTINENTS IN MAGMATIC OROGENS: NB/TA SYSTEMATICS IN ARC MAGMA DIFFERENTIATION AND THE ROLE OF ARCLOGITES

Abstracts with programs - Geological Society of America (2018)

Ming Tang Cin‐Ty A. Lee Kang Chen Monica E. Erdman Gelu Costin

Igneous differentiation

10.1130/abs/2018am-316839

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Enhancing Proton ARC Treatment Efficiency with a Multi-Arc Approach

International Journal of Radiation Oncology*Biology*Physics (2024)

Jianhua Ma Y. Zhu Yi‐Kuei Lin Ming Tang Hong Gao

10.1016/j.ijrobp.2024.07.200

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Reply to Comment from Zafar, Leng and Chen on “Sulfide-bearing cumulates in deep continental arcs: The missing copper reservoir” by Chen et al. (Earth Planet. Sci. Lett. 531 (2020) 115971)

Earth and Planetary Science Letters (2020)

Kang Chen Ming Tang Cin‐Ty A. Lee Zaicong Wang Zongqi Zou

Chen

10.1016/j.epsl.2020.116592

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Continuous plate subduction marked by the rise of alkali magmatism 2.1 billion years ago

Nature Communications (2019)

He Liu Weidong Sun Robert E. Zartman Ming Tang

Abstract Over the Earth’s evolutionary history, the style of plate subduction has evolved through time due to the secular cooling of the mantle. While continuous subduction is a typical feature of modern plate tectonics, a stagnant-lid tectonic regime with localized episodic subduction likely characterized the early Earth. The timing of the transition between these two subduction styles bears important insights into Earth’s cooling history. Here we apply a statistical analysis to a large geochemical dataset of mafic rocks spanning the last 3.5 Ga, which shows an increasing magnitude of alkali basaltic magmatism beginning at ca. 2.1 Ga. We propose that the rapid rise of continental alkali basalts correlates with an abruptly decreasing degree of mantle melting resulting from the enhanced cooling of the mantle at ca. 2.1 Ga. This might be a consequence of the initiation of continuous subduction, which recycled increasing volumes of cold oceanic crust into the mantle.

10.1038/s41467-019-11329-z

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Citations (50)

Styrax hwangiae (Styracaceae), a new species endemic to limestone areas of Guangxi, China

Global Biodiversity Information Facility (2021)

Wei‐Bin Xu Ping Yang Yu‐Song Huang Rui Zhang Ming Tang

This dataset contains the digitized treatments in Plazi based on the original journal article Xu, Wei-Bin, Yang, Ping, Huang, Yu-Song, Zhang, Rui, Tang, Ming (2021): Styrax hwangiae (Styracaceae), a new species endemic to limestone areas of Guangxi, China. Phytotaxa 478 (1): 171-178, DOI: 10.11646/phytotaxa.478.1.13, URL: http://dx.doi.org/10.11646/phytotaxa.478.1.13

10.15468/3p2hpj

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Post-orogenic extension in the eastern part of the Jiangnan orogen: Evidence from ca 800–760Ma volcanic rocks

Precambrian Research (2011)

Xiao‐Lei Wang Liangshu Shu Guangfu Xing Jincheng Zhou Ming Tang

Lile

Felsic

Petrogenesis

Asthenosphere

Fractional crystallization (geology)

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