Thickening vs. extension in the Variscan belt: P-T modelling in the Central Iberian autochthon
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- 作者：Francisco J. Rubio Pascuala ; f.rubio@igme.es" class="auth_mail" title="E-mail the corresponding author ; Alicia Ló ; pez-Carmonab ; c ; Ricardo Arenasb
- 关键词：Tectonothermal structure ; Collisional wedge ; Orogenic plateau ; Orogen-parallel extension channel ; Variscan Orogen
- 刊名：Tectonophysics
- 出版年：2016
- 出版时间：20 June 2016
- 年：2016
- 卷：681
- 期：Complete
- 页码：144-158
- 全文大小：3775 K
文摘
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Metamorphism in Variscan Central Iberia is studied through pseudosection modelling.
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A minimum tectonic overburden of 3 kbar (9 km) is estimated.
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Data point to the orogen-parallel emplacement of a nappe from NW to Central Iberia.
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Orogen-parallel tectonics can be traced from the Bohemian Massif to Central Iberia.
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Central parts of the belt acted as a W-wards spreading, constrained orogenic plateau.