A Late Cretaceous tin metallogenic event in Nanling W-Sn metallogenic province: Constraints from U-Pb, Ar-Ar geochronology at the Jiepailing Sn-Be-F deposit, Hunan, China
A Late Cretaceous tin metallogenic event in Nanling W-Sn metallogenic province: Constraints from U-Pb, Ar-Ar geochronology at the Jiepailing Sn-Be-F deposit, Hunan, China
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南岭钨锡成矿区晚白垩世锡成矿事件——湖南界牌岭锡铍氟矿床U-Pb、Ar-Ar年代学的制约
DOI：
10.1016/j.oregeorev.2014.10.006
复制
发表时间：
2015-03
影响因子：
3.3
通讯作者：
Yuan Yabin
中科院分区：
文献类型：
--
作者：
Nigel J. Cook;Wang Xudong;Liu Xiaofei;Yuan Yabin
介岭矿床位于中国湖南省南部，是南岭西锡省的一个大型锡be - f矿床。Sn-Be-F矿化在空间上与界坪花岗斑岩有关。LA-MC-ICP-MS锆石U-Pb定年结果表明，界坪花岗斑岩的206pb /238U年龄加权平均值为90.5±0.9 Ma (MSWD = 0.32)，可解释为该花岗斑岩的侵位年龄。热液白云母的台地40ar /39Ar年龄为92.1±0.7 Ma (MSWD = 0.9)，与产生Sn-Be-F成矿作用的界坪花岗斑岩锆石U-Pb年龄吻合较好，说明界坪花岗斑岩侵位与Sn-Be-F成矿作用存在一定的时间联系。新的高精度年代学资料表明，结坪巨型Sn-Be-F矿床及相关花岗岩形成于晚白垩世早期（92-90 Ma），为南岭地区晚白垩世花岗岩岩浆作用相关成矿事件提供了有力证据。湘南晚白垩世锡成矿事件的发现，进一步凸显了南岭西锡成矿系统研究的重要性。综合前人高精度年代学资料，认为南岭地区中生代主要经历了3次构造岩浆活动和岩石圈减薄事件，形成了3次锡—西成矿事件，形成了世界级的南岭西—锡成矿省。
The Jiepailing deposit, located in southern Hunan Province, China, is a giant Sn–Be–F deposit in the Nanling W–Sn province. The Sn–Be–F mineralization is spatially associated with the Jiepailing granite porphyry. LA-MC-ICP-MS zircon U–Pb dating of the Jiepailing granite porphyry yielded a weighted mean206Pb/238U age of 90.5 ± 0.9 Ma (MSWD = 0.32), which is interpreted as the emplacement age of the granite porphyry. Hydrothermal muscovite yields a plateau40Ar/39Ar age of 92.1 ± 0.7 Ma (MSWD = 0.9), which is well consistent with the zircon U–Pb age of the Jiepailing granite porphyry responsible for the Sn–Be–F mineralization, indicating a temporal link between the emplacement of the Jiepailing granite porphyry and the Sn–Be–F mineralization. Our new high precise geochronological data suggest that the Jiepailing giant Sn–Be–F deposit and related granite formed during the early Late Cretaceous (92–90 Ma), which provided convincing evidence for a previously unrecognized metallogenic event related to Late Cretaceous granitic magmatism in Nanling region. The occurrence of the Late Cretaceous Sn metallogenic event identified in southern Hunan Province further highlights the importance of systematic metallogenic studies of the Nanling W–Sn province. Integrated with high precise geochronological data obtained previously, it is suggested that the Nanling region mainly experienced three tectonomagmatic activities and lithospheric thinning events during Mesozoic, which are responsible for three Sn–W metallogenic events to form the world-class Nanling W–Sn metallogenic province.
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DOI：
--
发表时间：
2008
期刊：
Acta Geological Sinica
影响因子：
--
作者：
Mei Yuping
通讯作者：
Mei Yuping
DOI：
10.1007/s11631-008-0342-5
发表时间：
2008-11
期刊：
Chinese Journal of Geochemistry
影响因子：
--
作者：
Shunda Yuan;Jian‐tang Peng;R. Hu;X. Bi;L. Qi;Zhao-li Li;Xiaomin Li;Shuang Yan
通讯作者：
Shunda Yuan;Jian‐tang Peng;R. Hu;X. Bi;L. Qi;Zhao-li Li;Xiaomin Li;Shuang Yan
影响因子：
2.6
作者：
Jingwen Mao;Hongyan Li
通讯作者：
Jingwen Mao;Hongyan Li
DOI：
--
发表时间：
2005
期刊：
--
影响因子：
--
作者：
Che Qinjian;Liu Jindong;Wei Shaoliu
通讯作者：
Che Qinjian;Liu Jindong;Wei Shaoliu
影响因子：
5.3
作者：
STEIGER, RH;JAGER, E
通讯作者：
JAGER, E