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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yun, JianBing Wu, HeYong Feng, ZiHui Mei, LianFu Qiu, HuaNing |
| Copyright Year | 2010 |
| Abstract | Due to a lack of suitable minerals, the gas/oil emplacement ages have never been accurately obtained before. CH$_{4}$-CO$_{2}$-saline-bearing secondary inclusions are found in quartz from the volcanic rocks of the Yingcheng Formation, the container rocks of the deep CO$_{2}$ gas reservoir in the Songliao Basin. The inclusion fluid was trapped into microcracks in quartz during the gas emplacement and accumulation, providing an optimal target for the $^{40}$Ar-$^{39}$Ar stepwise crushing technique to determine the CO$_{2}$ gas emplacement age. $^{40}$Ar-$^{39}$Ar dating results of a quartz sample by stepwise crushing yield a highly linear-regression isochron with an age of 78.4±1.3 Ma, indicating that the accumulation of the deep CO$_{2}$ gas reservoir in the Songliao Basin occurred in the late Cretaceous. This is the first time to report an exact isotopic age for a CO$_{2}$ gas reservoir, which indicates that the $^{40}$Ar-$^{39}$Ar dating can serve as a new technique to date the oil/gas emplacement ages. |
| Starting Page | 1795 |
| Ending Page | 1799 |
| Page Count | 5 |
| File Format | |
| ISSN | 10016538 |
| Journal | Chinese Science Bulletin |
| Volume Number | 55 |
| Issue Number | 17 |
| e-ISSN | 18619541 |
| Language | English |
| Publisher | SP Science China Press |
| Publisher Date | 2010-06-18 |
| Publisher Place | Heidelberg |
| Access Restriction | Subscribed |
| Subject Keyword | CO$_{2}$ gas reservoir emplacement age fluid inclusion $^{40}$Ar-$^{39}$Ar dating Songliao Basin Engineering Earth Sciences Chemistry/Food Science Physics Life Sciences Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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