Reference Type | Journal (article/letter/editorial) |
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Title | Petrogenesis of the Shibaogou Mo-W-Associated Porphyritic Granite, West Henan, China: Constrains from Geochemistry, Zircon U-Pb Chronology, and Sr-Nd-Pb Isotopes |
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Journal | Minerals |
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Authors | Qiu, Zhiwei | Author |
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Zhou, Zhenju | Author |
Qi, Nan | Author |
Huang, Pocheng | Author |
Yao, Junming | Author |
Feng, Yantao | Author |
Chen, Yanjing | Author |
Year | 2024 | Volume | < 14 > |
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Issue | < 11 > |
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URL | |
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DOI | doi:10.3390/min14111173Search in ResearchGate |
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Classification | Not set | LoC | Not set |
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Mindat Ref. ID | 17699160 | Long-form Identifier | mindat:1:5:17699160:1 |
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GUID | 0 |
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Full Reference | Qiu, Zhiwei, Zhou, Zhenju, Qi, Nan, Huang, Pocheng, Yao, Junming, Feng, Yantao, Chen, Yanjing (2024) Petrogenesis of the Shibaogou Mo-W-Associated Porphyritic Granite, West Henan, China: Constrains from Geochemistry, Zircon U-Pb Chronology, and Sr-Nd-Pb Isotopes. Minerals, 14 (11). doi:10.3390/min14111173 |
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Plain Text | Qiu, Zhiwei, Zhou, Zhenju, Qi, Nan, Huang, Pocheng, Yao, Junming, Feng, Yantao, Chen, Yanjing (2024) Petrogenesis of the Shibaogou Mo-W-Associated Porphyritic Granite, West Henan, China: Constrains from Geochemistry, Zircon U-Pb Chronology, and Sr-Nd-Pb Isotopes. Minerals, 14 (11). doi:10.3390/min14111173 |
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In | Link this record to the correct parent record (if possible) |
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Abstract/Notes | The Shibaogou pluton, located in the Luanchuan orefield of western Henan Province in China, is a typical porphyritic granite within the Yanshanian āDabie-typeā Mo metallogenic system. It is mainly composed of porphyritic monzogranite and porphyritic syenogranite. Zircon U-Pb dating results indicate emplacement ages of 150.1 ± 1.3 Ma and 151.0 ± 1.1 Ma for the monzogranite and 148.1 ± 1.0 Ma and 148.5 ± 1.3 Ma for the syenogranite. The pluton is characterized by geochemical features of high silicon, metaluminous, and high-K calc-alkaline compositions, enriched in Rb, U, Th, and Pb, and exhibits high Sr/Y (18.53ā58.82), high (La/Yb)N (9.01ā35.51), and weak Eu anomalies. These features indicate a source region from a thickened lower crust with garnet and rutile as residual phases at depths of approximately 40ā60 km. Sr-Nd-Pb isotopic analyses suggest that the magmatic source is mainly derived from the Taihua and Xiongāer Groups of the Huaxiong Block, mixed with juvenile crustal rocks from the Kuanping and Erlangping Groups of the North Qinling Accretion Belt. Combined with geological and isotopic characteristics, it is concluded that the Shibaogou pluton formed during the compressionāextension transition period associated with the collision between the Yangtze Block and the North China Craton, reflecting the complex partial melting processes in the thickened lower crust. The present study reveals that the magmaticāhydrothermal activity at Shibaogou lasted approximately 5 Ma, showing multi-phase characteristics, further demonstrating the close relationship between the pluton and the Mo-W mineralization. |
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