Las estructuras paleokársticas del Monte Baio (Araba/Alava): su relevancia para una evaluación cuantitativa del descenso del nivel marino del Paleoceno medio

During the period of sub-aerial exposure subsequent to the mid-Paleocene sea level fall, a set of paleokarstic features were generated in upper Danian lagoonal limestones of the Alava province. The most interesting of them all, and potentially the more meaningful, is a horizontal dissolution horizon...

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Detalhes bibliográficos
Autores: Baceta, Juan Ignacio, Pujalte, Victoriano, Payros, Aitor
Formato: artículo
Fecha de publicación:1997
País:España
Recursos:Universidad de Huelva (UHU)
Repositorio:Arias Montano. Repositorio Institucional de la Universidad de Huelva
Idioma:español
OAI Identifier:oai:ariasmontano.uhu.es:10272/10589
Acesso em linha:http://hdl.handle.net/10272/10589
Access Level:acceso abierto
Palavra-chave:Paleokarst
Mid-Paleocene
Sea-level fall
Southern Pyrenees
Araba/Alava
Descrição
Resumo:During the period of sub-aerial exposure subsequent to the mid-Paleocene sea level fall, a set of paleokarstic features were generated in upper Danian lagoonal limestones of the Alava province. The most interesting of them all, and potentially the more meaningful, is a horizontal dissolution horizon, possibly recording the position of the upper surface of a paleophreatic zone. If that possibility is correct, the magnitude of the mid-Paleocene sea level fall would be narrowly constrained to circa 40 m/a more realistic figure than those previously estimated for this event