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| Content Provider | Springer Nature Link |
|---|---|
| Author | Shen, Ping Shen, Yuanchao Zeng, Qingdong Liu, Tiebing Li, Guangming |
| Copyright Year | 2004 |
| Abstract | The helium and argon isotope compositions of fluid inclusions hosted in pyrite have been measured from Kuoerzhenkuola and Buerkesidai gold deposits in Sawuer gold belt, northern Xinjiang. The results show that fluid-inclusion $^{3}$He/$^{4}$He ratios are 0.64 R $_{a}$–4.25 R $_{a}$ and 1.16 R $_{a}$–9.48 R $_{a}$, $^{40}$Ar/$^{36}$Ar ratios are 282–359 and 312–525 for Kuoerzhenkuola and Buerkesidai gold deposits respectively. The ore-forming fluids of two deposits possessed the same source and derived mainly from mantle beneath the island arc (including oceanic crust and oceanic sediments by subduction of oceanic plate). They were diluted by incorporating meteoric water to form a mixture of mantle- and partial meteoric water-derived fluid. The ore-forming fluids of two deposits are of the same evolutionary histories. From the early to the late mineralization stages, the ratios of meteoric water/mantle-derived fluid in ore-forming fluid increased gradually. Based on these results and detailed geological and geochemical studies on the two deposits, it is proposed that the geneses of the two gold deposits are the same, being volcanogenic late-stage hydrothermal gold deposits occurring in the same volcanic apparatus. |
| Starting Page | 1408 |
| Ending Page | 1414 |
| Page Count | 7 |
| File Format | |
| ISSN | 10016538 |
| Journal | Chinese Science Bulletin |
| Volume Number | 49 |
| Issue Number | 13 |
| e-ISSN | 18619541 |
| Language | English |
| Publisher | Science in China Press |
| Publisher Date | 2004-01-01 |
| Publisher Place | Beijing |
| Access Restriction | Subscribed |
| Subject Keyword | He-Ar isotope ore-forming fluid mantle-derived fluid meteoric water volcanogenic late-stage hydrothermal gold deposit Sawuer gold belt Science Life Sciences Physics Chemistry/Food Science Earth Sciences Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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