Petrogenesis of Early Cretaceous alkaline basalts in the West Qinling: Constraints from olivine chemistry

Olivine crystals in alkaline basalts preserve important information about the Oxygen fugacity and thermal condition of the mantle‐derived magma. This paper presents new olivine mineral chemistry and whole‐rock geochemistry for Early‐Cretaceous alkali basalts in the Ganjia area, northeastern margin o...

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Veröffentlicht in:	Geological journal (Chichester, England) England), 2023-02, Vol.58 (2), p.780-794
Hauptverfasser:	Yang, Zhen, Lai, Shao‐Cong, Qin, Jiang‐Feng, Zhu, Ren‐Zhi, Liu, Min, Zhang, Fang‐Yi, Yang, Hang, Zhu, Yu
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkali basalts Anomalies Asthenosphere Basalt Cretaceous Crystallization Crystals Fugacity Garnet Geochemistry Isotopes Lava Magma Mantle plumes mantle potential temperature Ocean circulation Olivine olivine chemistry Orogeny Oxygen Peridotite Petrogenesis Potential temperature Ratios Rock Rocks Silica Silicon dioxide Subduction Thermometers Upwelling West Qinling Orogenic Belt
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