LA-ICP-MS APATITE FISSION-TRACK DATING OF THE SIBERIAN TRAPS INTRUSIONS: METHOD, FIRST RESULTS AND THEIR INTERPRETATION
In this paper we present the results on apatite fission-track dating, which was first performed at the Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, using the laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS, Dobretsov Geological Institute, Siberian Br...
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Russian Academy of Sciences, Siberian Branch, Institute of the Earth's crust
2023-08-01
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| Series: | Геодинамика и тектонофизика |
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| Online Access: | https://www.gt-crust.ru/jour/article/view/1719 |
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| author | T. E. Bagdasaryan V. B. Khubanov R. V. Veselovskiy V. A. Zaitsev S. V. Malyshev |
| author_facet | T. E. Bagdasaryan V. B. Khubanov R. V. Veselovskiy V. A. Zaitsev S. V. Malyshev |
| author_sort | T. E. Bagdasaryan |
| collection | DOAJ |
| description | In this paper we present the results on apatite fission-track dating, which was first performed at the Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, using the laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS, Dobretsov Geological Institute, Siberian Branch of the Russian Academy of Sciences) for two intrusions of the Siberian Permian-Triassic large igneous province: Magan alkaline-ultramafic pluton (two samples) and Kontay intrusion (one sample). The obtained AFT ages are 217.6±18.6 and 238.8±35.8 Ma (95% confidence) for the Magan intrusion and 150.0±23.0 Ma for the Kontay intrusion and mark the time since they have been cooled below 120 °C. The distributions of track lengths in apatite grains from the studied samples indicate their rapid cooling to near-surface temperatures. We provide a detailed description of the method used, and also demonstrate that the results of fissiontrack analysis performed on the "sample-to-sample" principle by the classical external detector method (EDM) and the LA-ICP-MS method in the modification of the zeta calibration coincide within the age uncertainty. |
| format | Article |
| id | doaj-art-77e7e484d24c4d469b93a43f709aea33 |
| institution | Kabale University |
| issn | 2078-502X |
| language | English |
| publishDate | 2023-08-01 |
| publisher | Russian Academy of Sciences, Siberian Branch, Institute of the Earth's crust |
| record_format | Article |
| series | Геодинамика и тектонофизика |
| spelling | doaj-art-77e7e484d24c4d469b93a43f709aea332025-08-20T03:37:06ZengRussian Academy of Sciences, Siberian Branch, Institute of the Earth's crustГеодинамика и тектонофизика2078-502X2023-08-0114410.5800/GT-2023-14-4-0711712LA-ICP-MS APATITE FISSION-TRACK DATING OF THE SIBERIAN TRAPS INTRUSIONS: METHOD, FIRST RESULTS AND THEIR INTERPRETATIONT. E. Bagdasaryan0V. B. Khubanov1R. V. Veselovskiy2V. A. Zaitsev3S. V. Malyshev4Lomonosov Moscow State University; Schmidt Institute of Physics of the Earth, Russian Academy of SciencesDobretsov Geological Institute, Siberian Branch of the Russian Academy of SciencesLomonosov Moscow State University; Schmidt Institute of Physics of the Earth, Russian Academy of SciencesVernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of SciencesSaint Petersburg UniversityIn this paper we present the results on apatite fission-track dating, which was first performed at the Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, using the laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS, Dobretsov Geological Institute, Siberian Branch of the Russian Academy of Sciences) for two intrusions of the Siberian Permian-Triassic large igneous province: Magan alkaline-ultramafic pluton (two samples) and Kontay intrusion (one sample). The obtained AFT ages are 217.6±18.6 and 238.8±35.8 Ma (95% confidence) for the Magan intrusion and 150.0±23.0 Ma for the Kontay intrusion and mark the time since they have been cooled below 120 °C. The distributions of track lengths in apatite grains from the studied samples indicate their rapid cooling to near-surface temperatures. We provide a detailed description of the method used, and also demonstrate that the results of fissiontrack analysis performed on the "sample-to-sample" principle by the classical external detector method (EDM) and the LA-ICP-MS method in the modification of the zeta calibration coincide within the age uncertainty.https://www.gt-crust.ru/jour/article/view/1719apatite fission-track analysisapatite fission-track datingapatitela-icp-msthermochronologygeochronologysiberian traps |
| spellingShingle | T. E. Bagdasaryan V. B. Khubanov R. V. Veselovskiy V. A. Zaitsev S. V. Malyshev LA-ICP-MS APATITE FISSION-TRACK DATING OF THE SIBERIAN TRAPS INTRUSIONS: METHOD, FIRST RESULTS AND THEIR INTERPRETATION Геодинамика и тектонофизика apatite fission-track analysis apatite fission-track dating apatite la-icp-ms thermochronology geochronology siberian traps |
| title | LA-ICP-MS APATITE FISSION-TRACK DATING OF THE SIBERIAN TRAPS INTRUSIONS: METHOD, FIRST RESULTS AND THEIR INTERPRETATION |
| title_full | LA-ICP-MS APATITE FISSION-TRACK DATING OF THE SIBERIAN TRAPS INTRUSIONS: METHOD, FIRST RESULTS AND THEIR INTERPRETATION |
| title_fullStr | LA-ICP-MS APATITE FISSION-TRACK DATING OF THE SIBERIAN TRAPS INTRUSIONS: METHOD, FIRST RESULTS AND THEIR INTERPRETATION |
| title_full_unstemmed | LA-ICP-MS APATITE FISSION-TRACK DATING OF THE SIBERIAN TRAPS INTRUSIONS: METHOD, FIRST RESULTS AND THEIR INTERPRETATION |
| title_short | LA-ICP-MS APATITE FISSION-TRACK DATING OF THE SIBERIAN TRAPS INTRUSIONS: METHOD, FIRST RESULTS AND THEIR INTERPRETATION |
| title_sort | la icp ms apatite fission track dating of the siberian traps intrusions method first results and their interpretation |
| topic | apatite fission-track analysis apatite fission-track dating apatite la-icp-ms thermochronology geochronology siberian traps |
| url | https://www.gt-crust.ru/jour/article/view/1719 |
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