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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wu, Jing Liang, HuaYing Huang, WenTing Wang, ChunLong Sun, WeiDong Sun, YaLi Li, Jing Mo, JiHai Wang, XiuZhang |
| Copyright Year | 2012 |
| Abstract | The Miaoershan-Yuechengling complex pluton is the largest granitoid complex in the western Nanling metallogenic belt with a surface exposure of >3000 km$^{2}$. The complex pluton is composed of an early stage granitoid batholith and late stage small intrusions. The early stage batholith contains mainly medium-grained porphyritic mica granite and porphyritic monzonite granite, whereas the late stage intrusions are composed of muscovite granite porphyry and muscovite monzonitic granite. There are many W-Sn-Mo-Pb-Zn-Cu ores in the contact zone between the batholith and strata, forming an ore-rich belt around the batholith. Based on zircon LA-ICP-MS U-Pb ages, the southwestern part of the early stage batholith formed at 228.7 ± 4.1 Ma (MSWD = 2.49), with slightly earlier magmatic activity at 243.0 ± 5.8 Ma (MSWD = 2.62). The Yuntoujie muscovite granite was associated with W-Mo mineralization and has a zircon LA-ICP-MS U-Pb age of 216.8 ± 4.9 Ma (MSWD = 1.44). The Re-Os isochron age of molybdenite from the Yuntoujie W-Mo ore was 216.8 ± 7.5 Ma (MSWD = 11.3). Our new isotope data suggest that the late stage intrusive stocks from the southwestern Miaoershan-Yuechengling batholith were closely associated with W-Mo mineralization from the Indosinian period. These new results together with previous isotope data, suggest that South China underwent not only the well-known Yanshanian mineralization event, but also a widespread Indosinian metallogenic event during the Mesozoic period. Therefore, South China has a greater potential for Indosinian mineralization than previously thought such that more attention should be given to the Indosinian ore prospecting in South China. |
| Starting Page | 1024 |
| Ending Page | 1035 |
| Page Count | 12 |
| File Format | |
| ISSN | 10016538 |
| Journal | Chinese Science Bulletin |
| Volume Number | 57 |
| Issue Number | 9 |
| e-ISSN | 18619541 |
| Language | English |
| Publisher | SP Science China Press |
| Publisher Date | 2012-01-31 |
| Publisher Place | Heidelberg |
| Access Restriction | Subscribed |
| Subject Keyword | Nanling metallogenic belt ore genesis isotope age W-Mo deposit Indosinian Earth Sciences Life Sciences Chemistry/Food Science Science Engineering Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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