Electronic Resource
Geochemistry of metasedimentary rocks from the Eastern Pyrenees (Iberian Peninsula): Implications for correlation of Ediacaran terranes along the Gondwanan margin
| العنوان: | Geochemistry of metasedimentary rocks from the Eastern Pyrenees (Iberian Peninsula): Implications for correlation of Ediacaran terranes along the Gondwanan margin |
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| المؤلفون: | Rojo Pérez, Esther, Druguet, Elena, Casas, Josep M., Proenza Fernández, Joaquin Antonio, Fuenlabrada Pérez, José Manuel, Sánchez Martínez, Sonia, Garcia Casco, Antonio, Arenas Martín, Ricardo |
| بيانات النشر: | Elsevier 2023-10 |
| نوع الوثيقة: | Electronic Resource |
| مستخلص: | The North African margin of Gondwana formed by subduction and accretion during Ediacaran to Cambrian times. Sections of this active margin were incorporated during the late Paleozoic to the Variscan and Appalachian orogens. In the Variscan realm, these sections define in some regions a Cadomian basement comprising thick metasedimentary series associated with coeval subduction-related magmatic rock dated in the range 650–500 Ma. In the Cap de Creus Massif (Eastern Pyrenean domain), the Cadomian metasedimentary rocks formed from sediments derived from mixed felsic and intermediate/mafic sources, intruded by granitoid and minor mafic igneous rocks. These series were formed in a peri-Gondwanan volcanic arc setting, like other Cadomian series described in the SW of the Iberian Massif, such as Serie Negra Group of the Ossa Morena Complex. However, the Nd model ages of the Cap de Creus metasedimentary samples range from 1431 to 1620 Ma and are younger than those of their SW Iberia equivalents. This result can be interpreted as an indication of an eastern location in the Ediacaran - Cambrian peri-Gondwanan magmatic arc. Furthermore, the Cadomian series in the Central Iberian Zone have even younger Nd model ages than those of SW and NE Iberia. We present two end-member paleogeographic models consistent with reconstruction of the initial location of the Cap de Creus Massif and its relations with other domains (Ossa Morena Complex and Central Iberian Zone) in this sector of the North African Gondwanan margin. Ministerio de Ciencia, Innovación y Universidades/Agencia Estatal de Investigación/Fondo Europeo de Desarrollo Regional (FEDER), EU. Depto. de Mineralogía y Petrología Fac. de Ciencias Geológicas TRUE pub |
| مصطلحات الفهرس: | 552.4, Gondwana margin, Arc-related series, Ediacaran-Cambrian time, Isotopic sources, Petrología, 2506.13 Petrología Ignea y Metamórfica, journal article, VoR |
| URL: | PID2020-112489-GB-C21 PID2021-122467NB-C22 PID2021-125585NB-I00 |
| الاتاحة: | Open access content. Open access content restricted access |
| ملاحظة: | application/pdf 0301-9268 English |
| Other Numbers: | ESRCM oai:docta.ucm.es:20.500.14352/88634 0301-9268 10.1016/j.precamres.2023.107186 1872-7433 1450544628 |
| المصدر المساهم: | REPOSITORIO E-PRINTS UNIVERSIDAD COMPLU From OAIster®, provided by the OCLC Cooperative. |
| رقم الانضمام: | edsoai.on1450544628 |
| قاعدة البيانات: | OAIster |
| الوصف غير متاح. |