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December 8, 2025Geochemistry Geophysics GeosystemsOpen Access

Characteristics of ∼40 Ma Mafic Rocks in North Tibet and Their Tectonic Implications

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Authors

SWShifeng WangSZShengting Zhang

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Overview

Analysis reveals distinct geochemical and isotopic ratios in North Tibet's mafic rocks, suggesting mantle processes.

Key Points

  • Geochemical data shows mafic rocks originated from the asthenosphere at depths over 250 km.
  • Distinct isotopic ratios of the rocks indicate unique geological processes in North Tibet.
  • Analysis through zircon U‐Pb dating provided a crystallization age of approximately 40 Ma.
  • Findings suggest that magmatic activities in North Tibet are influenced by mantle delamination and faulting.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/693624ba4fa91c937236c8b4https://doi.org/10.1029/2025gc012563
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  1. 1Late Cenozoic magmatic inflation, crustal thickening, and >2 km of surface uplift in central Tibet2017 · 77 citations
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