U-Pb geochronology of wolframite from Polski Gradets, Bulgaria and Barruecopardo, Spain, using in situ LA-ICP-MS technique

被引：0
|
作者：
Peytcheva, Irena [1 ]
Georgiev, Stoyan [1 ]
Ganev, Valentin Y. [1 ]
Stavrev, Milen [1 ]
Tornos, Fernando [2 ]
Holma, Marko [3 ]
机构：
[1] Bulgarian Acad Sci, Geol Inst, Sofia 1113, Bulgaria
[2] CSIC, Inst Geociencias, Madrid, Spain
[3] Univ Oulu, Kerttu Saalasti Inst, PL 8000, Oulu 90014, Finland
来源：
SPISANIE NA B LGARSKOTO GEOLOGICHESKO DRUZHESTOV-REVIEW OF THE BULGARIAN GEOLOGICAL SOCIETY | 2024年 / 85卷
关键词：
wolframite; LA-ICP-MS; U-Pb geochronology; CRMs; AGEMERA; ISOTOPE;
D O I：
10.52215/rev.bgs.2024.85.2.191
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
This study presents U-Pb age data obtained using an in situ LA-ICP-MS technique applied to wolframite samples from Polski Gradets (Bulgaria) and Barruecopardo (Spain). Analytical conditions were optimized using YGX2113 (wolframite) and GJ1 (zircon) natural standard reference materials (SRMs). Applying both SRMs, very similar U-Pb age results were obtained. Furthermore, the results were within the reported age error range of the host granites and granodiorites. The tungsten mineralization at Barruecopardo was dated at 315.2 +/- 5.3 Ma, while for Polski Gradets wolframite, an age of 79.0 +/- 6.8 Ma was obtained. The applied technique is assessed as applicable and suitable for further direct dating of tungsten deposits.
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收藏
页码：191 / 194
页数：4
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