Imprints of historical pollution and the 218-60 BCE tsunamigenic period in southwestern Spain

María Luz González-Regalado ^[1] ; Guadalupe Monge ^[2] ; María Isabel Carretero ^[2] ; Manuel Pozo ^[3] ; Joaquín Rodríguez-Vidal ^[1] ; Luis Miguel Cáceres ^[1] ; Manuel Abad ^[4] ; Juan Manuel Campos ^[1] ; Javier Bermejo ^[1] ; Josep Tosquella ^[1] ; Tatiana Izquierdo ^[5] ; Maria Isabel Prudêncio ^[6] ; Maria Isabel Dias ^[6] ; Rosa Marques ^[6] ; Paula Gómez ^[1] ; Antonio Toscano ^[1] ; Verónica Romero ^[1] ; Francisco Ruiz ^[1]
1. [1] Universidad de Huelva
  
  Universidad de Huelva
  
  Huelva, España
2. [2] Universidad de Sevilla
  
  Universidad de Sevilla
  
  Sevilla, España
3. [3] Universidad Autónoma de Madrid
  
  Universidad Autónoma de Madrid
  
  Madrid, España
4. [4] Universidad Rey Juan Carlos
  
  Universidad Rey Juan Carlos
  
  Madrid, España
5. [5] Universidad de Atacama
  
  Universidad de Atacama
  
  Copiapo, Chile
6. [6] Universidade de Lisboa
  
  Universidade de Lisboa
  
  Socorro, Portugal
Mostrar afiliaciones +
Localización: Revista mexicana de ciencias geológicas, ISSN-e 2007-2902, ISSN 1026-8774, Vol. 37, Nº. 1, 2020, págs. 89-97
Idioma: varios idiomas
Enlaces
- Texto completo (pdf)

Resumen
- The Doñana National Park is a Biosphere Reserve located within the estuary of the Guadalquivir River (SW Spain). It is mainly composed of extensive fluvio-tidal marshes partially protected by an elongated sandy spit. Three phases have been distinguished in the late Holocene evolution of this spit based on textural, geochemical, palaeontological and, chronological data recorded in a long core (31 m). Phase 1 (890 BCE-218 BCE) is characterized by the alternation of lagoonal silty sediments and slightly polluted marsh deposits, the latter with contamination from thousand-year-old mining. Phase 2 (218 BCE-90 CE) is characterized by several historical tsunamis, which caused the erosion of previous dune systems and the deposit of these sandy sediments on the adjacent bottom of the lagoon. Phase 3 (90 CE-Present) includes a regressive sequence (lagoonal bottom-marsh-dune system), with the pollution of lagoonal sediments due to Roman mining activities.