Passive magmatism on Earth and Earth-like pla
Passive magmatism on Earth and Earth-like planets
Announcement of a new publication for Geosystems and geoenvironment newspaper. Geosystems and geoenvironment is an international quarterly English-language interdisciplinary journal that publishes high-quality original research articles and timely reviews in the interdisciplinary fields of earth and environmental sciences. Geosystems and geoenvironment provides an integrated platform to publish groundbreaking data and discoveries, as well as innovative concepts and models, related to the emergence and all related aspects of surface or deep Earth systems and their planetary counterparts.
In this article, researchers from Ocean University of China, Qingdao, China, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China, University of Illinois at Urbana-Champaign, Urbana, IL, USA and Northwest University, Xi’ an, China discuss how magmatism has occurred throughout Earth’s history. From early Earth to modern plate tectonic Earth, the amount of magmatism has varied, but it has always occurred on many scales, in various tectonic environments, and at various depths in the crust and mantle. Magma compositions are also variable.
In this article, the authors argue that the mechanism of magma emplacement has generally been passive at all stages of Earth’s evolution. They conclude that most magmatism related to subduction, rifting, mid-ocean spreading, flood basalts and large igneous provinces and related to mantle upwellings, magma underplating, slab windows, orogenic collisions as well as the Archaean formation of TTG are mainly passive at the lithosphere scale. on a crystal scale. The results of their research discussed in this article run counter to the idea that magmatism drives plate motions. Most of the magmatism on other Earth-like planets is also passive, regardless of tectonic environments.
Article reference: Sanzhong Li, Xiyao Li, Jie Zhou, Huahua Cao, Lijun Liu, Yiming Liu, Guozheng Sun, Yanhui Suo, Yang Li, Shengyao Yu, Zhaoxia Jiang, Passive magmatism on Earth and Earth-like planets, Geosystems and Geoenvironment, Volume 1, Issue 1, 2022, 100008, ISSN 2772-8838, https://doi.org/10.1016/j.geogeo.2021.10.003.
Key words: Passive magmatism; Tectonic plates ; mantle plumes; Site
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