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Geochronological Study of the Jiashengpan Zn–Pb Deposit in Northern China: Implications for Base Metal Mineralization in Collisional Orogens

1
School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China
2
Key Laboratory of Orogenic Belt and Crustal Evolution, Peking University, Beijing 100871, China
*
Author to whom correspondence should be addressed.
Minerals 2019, 9(10), 622; https://doi.org/10.3390/min9100622
Received: 20 August 2019 / Revised: 2 October 2019 / Accepted: 7 October 2019 / Published: 9 October 2019
The Jiashengpan Zn–Pb deposit is located in the Langshan-Zhaertai region of the North China Craton. Zinc-lead mineralization at the Jiashengpan shows characteristics of shear-zone controlled syn-metamorphic mineralization. The 39Ar/40Ar ages of syn-ore hydrothermal muscovite averages at ~380 Ma, suggesting that the Zn–Pb mineralization took place in the Devonian. These results agree with zircon U–Pb ages of post-ore granite, which constrain the ore formation to be older than 277 ± 2 Ma. Ore formation was coeval with the emplacement of regional orogenic belts that formed as result of subduction associated with the closure of the eastern Paleo-Asian Ocean (~400 Ma). The Jiashengpan deposit provides evidence for base metal mineralization associated with metamorphogenic and shear-zone controlled characteristics during continental-continental collision, stressing the significance of orogenic activities for enrichment of base metals. View Full-Text
Keywords: Jiashengpan; Langshan-Zhaertai; Zircon U–Pb; Muscovite 39Ar/40Ar; ore enrichment; ore remobilization; metamorphic fluids Jiashengpan; Langshan-Zhaertai; Zircon U–Pb; Muscovite 39Ar/40Ar; ore enrichment; ore remobilization; metamorphic fluids
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Yu, C.; Zhong, R.-C.; Xie, Y.-L.; Li, W.-B. Geochronological Study of the Jiashengpan Zn–Pb Deposit in Northern China: Implications for Base Metal Mineralization in Collisional Orogens. Minerals 2019, 9, 622.

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