A revised correlation of Lower Ordovician sedimentary rocks in the Central Iberian Zone (Portugal and Spain)
Date
2014
Authors
Sá, A.
Gutiérrez-Marco, J.
Meireles, C.
Garcia-Bellido, D.
Rábano, I.
Editors
Rocha, R.
Pais, J.
Kulberg, C.
Finney, S.
Pais, J.
Kulberg, C.
Finney, S.
Advisors
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Conference paper
Citation
STRATI 2013: First International Congress on Stratigraphy: At the Cutting Edge of Stratigraphy, 2014 / Rocha, R., Pais, J., Kulberg, C., Finney, S. (ed./s), pp.441-446
Statement of Responsibility
A. A. Sá, J. C. Gutiérrez-Marco, C. A. Meireles, D. C. García-Bellido and I. Rábano
Conference Name
International Congress on Stratigraphy At the Cutting Edge of Stratigraphy (STRATI 2013) (1 Jul 2013 - 7 Jul 2013 : Lisbon, Portugal)
Abstract
Widespread Lower Ordovician sandstones (Armorican Quartzite facies) represent the initial passive margin sedimentation that occurred over a huge area of southwestern Europe during the late Floian. Their deposition ended during the Dapingian to early Darriwilian. Precursors of the Armorican Quartzite were deposited behind the border of a rift system, leading to the formation of conglomerate fans associated with the fault planes of tilted blocks generated during rifting of the Cadomian basement. ?Tremadocian deposits, coeval with volcanic events, are also recorded across this extensional basin. There is a scarcity of sedimentological studies and other elements aiding both correlation and a more accurate reconstruction of the basin architecture.
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© Springer International Publishing Switzerland 2014