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| Content Provider | Springer Nature Link |
|---|---|
| Author | Liu, Wei Li, Xinjun Tan, Jun |
| Copyright Year | 2003 |
| Abstract | Dajing Cu-Sn-Ag-Pb-Zn ore deposit, in the Inner Mongolia Autonomous Region of China, is a fissure-filling hydrothermal ore deposit. The δD values of quartz-hosted inclusion water are centered at −100%.– −130%.. The δ$^{34}$S values of sulfide ore minerals and δ$^{13}$ C values of carbonate gangue minerals vary from −0.3%. to 2.6%. and from −2.9%. to −7.0%., respectively. Integrated isotopic data point to two major contributions to the mineralizing fluid that include a dominant meteoric-derived groundwater, and sulfur and carbon species from hypogene magma. Linear trends are exhibited on the gaseous H$_{2}$O versus CO$_{2}$ plot, and plots of CO, N$_{2}$, CH$_{4}$, and C$_{2}$H$_{6}$. It is shown by quantitative simulation that magma degassing cannot explain the linear trends. Hence, these linear trends are interpreted in terms of mixing of CO$_{2}$-rich magmatic fluid with meteoric-derived groundwater. The groundwater circulated in Paleozoic sedimentary rocks and absorbed CO, N$_{2}$, CH$_{4}$, C$_{2}$H$_{6}$ and radiogenic Ar from organic matter. Cooling effects resulting from mixing have caused the precipitation of ore minerals. |
| Starting Page | 652 |
| Ending Page | 663 |
| Page Count | 12 |
| File Format | |
| ISSN | 10069313 |
| Journal | Science in China Series D: Earth Sciences |
| Volume Number | 46 |
| Issue Number | 7 |
| e-ISSN | 18622801 |
| Language | English |
| Publisher | Science in China Press |
| Publisher Date | 2003-01-01 |
| Publisher Place | Beijing |
| Access Restriction | Subscribed |
| Subject Keyword | fluid mixing fluid inclusion quadrupole mass spectrometer stable isotope Dajing ore deposit Geosciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Earth and Planetary Sciences |
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