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To understand the petrogenesis of the Dengshang rhyolitic porphyry and its relationship with Mo mineralization.

March 1, 2026MineralsOpen Access

Petrogenesis of Rhyolitic Porphyry Hosting the Newly Discovered Dengshang Mo Deposit, Northern Hebei Province

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To understand the petrogenesis of the Dengshang rhyolitic porphyry and its relationship with Mo mineralization.
Integrated petrography and zircon U–Pb geochronology analysis
Conducted Lu–Hf isotope and trace element geochemistry
Analyzed whole-rock major and trace element data
Determined the emplacement age through LA-ICP-MS dating
Classified the porphyry using geochemical characteristics
Emplacement age of the rhyolitic porphyry was dated at 168.3 ± 1.2 Ma during the Middle Jurassic
Petrological characteristics classify it as an I-type granite
Zircon εHf(t) values indicate a derivation from partial melting of Mesoproterozoic lower crust
Moderately oxidized magmatic conditions were linked to Mo enrichment
Geodynamic setting suggests a connection with paleo-Pacific plate subduction

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Investigates petrogenesis and mineralization in a newly discovered porphyry-type system, suggesting significant geological implications.

Zhou et al. (2026) studied this question.

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