Time Limit of Gold Mineralization in Muping–Rushan Belt, Eastern Jiaodong Peninsula, China: Evidence from Muscovite Ar–Ar Dating
نویسندگان
چکیده
Controversy surrounds the genetic relationship between gold mineralization and magmatism, especially in deposits granite. Jiaodong Peninsula is leading province China, most are Mesozoic granites; moreover, debate on genesis persists. In eastern Jiaodong, Muping–Rushan belt produces mainly quartz–sulfide vein-type gold, Upper Jurassic Kunyushan granite Late Lower Cretaceous Sanfoshan wall rock. Precise ages should be identified to determine whether related intrusion. this study, three (Sanjia, Yinggezhuang, Xipo) from two ore-controlling faults were considered. Muscovites veins beresite selected for Argon–Argon dating. The results obtained 116.51 ± 0.47 Ma, 120.02 0.38 121.65 0.48 Ma deposits, respectively. lasted about 5 belt. test showed that was 16 later than intrusion time of earlier Only cooling age overlapped with age. Previous studies have demonstrated ore fluid medium–low salinity temperature. No typical high–low temperature mineral assemblage exists Hence, could not categorized as intrusion-related type.
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ژورنال
عنوان ژورنال: Minerals
سال: 2022
ISSN: ['2075-163X']
DOI: https://doi.org/10.3390/min12030278