Detrital Zircon U-Pb and (U-Th)/He double dating provenance signatures in the Jaca foreland basin: Interplay of direct vs recycled sources during Pyrenean orogenic growth
Xavier Coll, D. Gómez‐Gras, M. Roigé, Daniel Stockli, A. Teixell, S. Boya
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引用次数: 0
Abstract
The Eocene to Miocene clastic wedge of the south Pyrenean basin constitutes a reference model to understand the progressive evolution of sediment provenance and source-to-sink dynamics in a foreland basin. We present new detrital zircon (DZ) U-Pb and U-Pb-He (ZHe) double dating data from the Jaca basin and the Ebro basin, providing insights into the evolution of the sedimentary systems that record a major tectonic and drainage reorganization from the late Eocene to Miocene. Three distinct DZ U-Pb signatures have been identified: (i) Variscan dominated; (ii) mixed Cadomian-Variscan; (iii) Cadomian dominated; and two DZ ZHe signatures (i) Pyrenean dominated; (ii) pre-Pyrenean dominated. Coupling DZ U-Pb, ZHe, and petrographic data allows us to discriminate among distinct Pyrenean sources as well as to understand how DZ signatures are propagated in a source-to-sink system. Our results indicate that while the eastern Jaca basin was fed from eastern source areas located in the central and eastern Pyrenees, the western Jaca basin was fed from the Basque massifs and the Urbasa-Andía Sierra (Basque-Cantabrian Pyrenees).
期刊介绍:
ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications.
The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.