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March 10, 2026Geological Journal

Early Palaeozoic Evolution of the Paleo‐Asian Ocean: Evidence From SSZ Ophiolites and Adakites, Central Inner Mongolia, North China

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Authors

WFWei FengXZXiaoni ZhangXDXiaojie Dong

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Overview

Systematic study reveals subduction dynamics in the Paleo-Asian Ocean, indicating geological processes in North China.

Key Points

  • This research aims to elucidate the subduction dynamics of the Paleo-Asian Ocean using geological evidence from central Inner Mongolia.
  • Conducted zircon U-Pb dating of supra-subduction zone ophiolites and adakites
  • Analyzed the geochemical characteristics of metagabbros and plagiogranites
  • Integrated findings with regional geological data to understand subduction processes
  • SSZ-type ophiolitic rocks formed around 490 Ma, adakitic trondhjemites at about 448 Ma
  • Metagabbros showed tholeiitic affinities and high Mg, indicating subduction-related origins
  • Plagiogranites displayed SSZ geochemical characteristics, suggesting they formed from partial melting

Cite This Study

Feng et al. (2026) studied this question.

synapsesocial.com/papers/69af94e870916d39fea4bf8ehttps://doi.org/10.1002/gj.70240
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