DOI: 10.1007/s00531-015-1239-2
Scopus记录号: 2-s2.0-84939631782
论文题名: Episodic construction of the Tatra granitoid intrusion (Central Western Carpathians, Poland/Slovakia): consequences for the geodynamics of Variscan collision and Rheic Ocean closure
作者: Gawęda A. ; Burda J. ; Klötzli U. ; Golonka J. ; Szopa K.
刊名: International Journal of Earth Sciences
ISSN: 14373254
出版年: 2016
卷: 105, 期: 4 起始页码: 1153
结束页码: 1174
语种: 英语
英文关键词: Granitoid
; Magmatic pulses
; Proto-Carpathian Terrane
; Variscan orogeny
Scopus关键词: collision zone
; episodic event
; geodynamics
; granitoid
; Hercynian orogeny
; igneous intrusion
; magmatism
; oceanic crust
; pluton
; Carpathians
; Poland [Central Europe]
; Slovakia
; Western Carpathians
英文摘要: The Tatra granitoid pluton (Central Western Carpathians, Poland/Slovakia) is an example of composite polygenetic intrusion, comprising many magmatic pulses varying compositionally from diorite to granite. The U–Pb LA-MC-ICP-MS zircon dating of successive magma batches indicates the presence of magmatic episodes at 370–368, 365, 360, 355 and 350–340 Ma, all together covering a time span of 30 Ma of magmatic activity. The partial resorption and recycling of former granitoid material (“petrological cannibalism”) was a result of the incremental growth of the pluton and temperature in the range of 750–850 °C. The long-lasting granitoid magmatism was connected to the prolonged subduction of oceanic crust and collision of the Proto-Carpathian Terrane with a volcanic arc and finally with Laurussia, closing the Rheic Ocean. The differences in granitoid composition are the results of different depths of crustal melting. More felsic magmas were generated in the outer zone of the volcanic arc, whilst more mafic magmas were formed in the inner part of the supra-subduction zone. The source rocks of the granitoid magmas covered the compositional range of metapelite–amphibolite and were from both lower and upper crust. The presence of the inherited zircon cores suggests that the collision and granitoid magmatism involved crust of Cadomian consolidation age (c. 530 and 518 Ma) forming the Proto-Carpathian Terrane, crust of Avalonian affinity (462, 426 Ma) and melted metasedimentary rocks of volcanic arc provenance. © 2015, The Author(s). URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84939631782&doi=10.1007%2fs00531-015-1239-2&partnerID=40&md5=b253de659bcf0b087bb9be0788427a8d
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/70159
Appears in Collections: 影响、适应和脆弱性 气候减缓与适应
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作者单位: Faculty of Earth Sciences, University of Silesia, ul. Bedzińska 60, Sosnowiec, Poland; Department of Lithospheric Research, University of Vienna, Althanstrasse 14, Vienna, Austria; Faculty of Geology, Geophysics and Geotourism, Mickiewicza 30 St., Kraków, Poland
Recommended Citation:
Gawęda A.,Burda J.,Klötzli U.,et al. Episodic construction of the Tatra granitoid intrusion (Central Western Carpathians, Poland/Slovakia): consequences for the geodynamics of Variscan collision and Rheic Ocean closure[J]. International Journal of Earth Sciences,2016-01-01,105(4)