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Inherited or not inherited: Complexities in dating the atypical 'cold' Chopok granite (Nizke Tatry Mountains, Slovakia)

文献类型：期刊论文

作者Burda, Jolanta2; Kloetzli, Urs1; Woskowicz-Slezak, Beata2; Li, Qiu-Li3; Liu, Yu3
刊名GONDWANA RESEARCH
出版日期2020-11-01
卷号87页码:138-161
关键词Zircon dating Phosphate dating 'Cold' granite Nizke Tatry Carpathians
ISSN号1342-937X
DOI10.1016/j.gr.2020.05.018
英文摘要Zircon U-Pb SIMS dating combined with in-context (in thin section) monazite and xenotime U + Th-total Pb dating was used to clarify the Palaeozoic evolution of the 'cold' Chopok granite (Nizke Tatry Mountains, Slovakia). Four distinct zircon, monazite and xenotime age domains testify to a prolonged evolution from igneous formation to multi-stage metasomatism and hydrothermal overprinting. The geological interpretation of age patterns from 'cold' granites, expected to have low zircon saturation temperatures (<800 degrees C) and relatively high amounts of zircon inheritance, requires special care, especially for what concerns proper attribution of zircon inheritance and igneous growth ages. These issues can be resolved using zircon saturation temperatures (T-zm) as proxy for the amount of zircon inheritance in combination with the temperature differences between T-zm and the granite solidus. In this respect, the Chopok granite is an atypical 'cold' granite. Due to T-zm being substantially lower (ca. 80 degrees C +/- 50 degrees C) than the granite solidus temperature, practically no zircon inheritance was found. The zircon age data indicates that the Chopok granite is a product of an Early Ordovician (475.8 +/- 3.3 Ma) magmatic event, corresponding with the widespread Early Palaeozoic magmatism recorded throughout the European Variscan belt. This is further corroborated by phosphate mineral ages. The post-magmatic activity recorded in the U-Pb systematics of zircon and phosphates overgrowths can be related to the different phases of the evolution of the Variscan orogen: Early Carboniferous (ca. 352 Ma) metasomatism documents the main Variscan orogenic event, whereas the Permo-Triassic age (ca. 255 Ma) reflects thermo-tectonic activity associated with large-scale crustal extension, contemporaneous with the initial continental leading to the break-up of Pangea. (C) 2020 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.
WOS关键词U-TH-PB ; CENTRAL-WESTERN CARPATHIANS ; LA-ICP-MS ; MICROPROBE MONAZITE GEOCHRONOLOGY ; ELECTRON-MICROPROBE ; RHEIC OCEAN ; TRACE-ELEMENT ; ID-TIMS ; ZIRCON INHERITANCE ; VARISCAN BASEMENT
资助项目University of Silesia in Katowice ; National Nature Sciences Foundation of China[41673059]
WOS研究方向Geology
语种英语
WOS记录号WOS:000572412200004
出版者ELSEVIER
资助机构University of Silesia in Katowice ; University of Silesia in Katowice ; National Nature Sciences Foundation of China ; National Nature Sciences Foundation of China ; University of Silesia in Katowice ; University of Silesia in Katowice ; National Nature Sciences Foundation of China ; National Nature Sciences Foundation of China ; University of Silesia in Katowice ; University of Silesia in Katowice ; National Nature Sciences Foundation of China ; National Nature Sciences Foundation of China ; University of Silesia in Katowice ; University of Silesia in Katowice ; National Nature Sciences Foundation of China ; National Nature Sciences Foundation of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/98266]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Burda, Jolanta
作者单位1.Univ Vienna, Dept Lithospher Res, Althanstr 14, A-1090 Vienna, Austria
2.Univ Silesia Katowice, Fac Nat Sci, Inst Earth Sci, Bedzinska 60, PL-41200 Sosnowiec, Poland
3.Chinese Acad Sci, State Key Lab Lithospher Evolut, Inst Geol & Geophys, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Burda, Jolanta,Kloetzli, Urs,Woskowicz-Slezak, Beata,et al. Inherited or not inherited: Complexities in dating the atypical 'cold' Chopok granite (Nizke Tatry Mountains, Slovakia)[J]. GONDWANA RESEARCH,2020,87:138-161.
APA Burda, Jolanta,Kloetzli, Urs,Woskowicz-Slezak, Beata,Li, Qiu-Li,&Liu, Yu.(2020).Inherited or not inherited: Complexities in dating the atypical 'cold' Chopok granite (Nizke Tatry Mountains, Slovakia).GONDWANA RESEARCH,87,138-161.
MLA Burda, Jolanta,et al."Inherited or not inherited: Complexities in dating the atypical 'cold' Chopok granite (Nizke Tatry Mountains, Slovakia)".GONDWANA RESEARCH 87(2020):138-161.

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来源：地质与地球物理研究所

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