Glacial geomorphology of the High Gredos Massif: Gredos and Pinar valleys (Iberian Central System, Spain)

[EN] We present a detailed geomorphological map of the landform assemblages originated by the two major paleoglaciers of the Sierra de Gredos mountain range in the Spanish Iberian Central System. Based on previous works, our map focused on the features formed by Gredos and Pinar paleoglaciers during...

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Bibliographic Details
Authors: Carrasco, Rosa M., Soteres, Rodrigo L., Pedraza, Javier, Férnandez Lozano, Javier, Turu, Valentí, López Sáez, José Antonio, Muñoz Martín, Alfonso, Granja Bruña, José Luis, Karampaglidis, Theodoros
Format: article
Status:Published version
Publication Date:2020
Country:España
Institution:Universidad de León
Repository:BULERIA. Repositorio Institucional de la Universidad de León
OAI Identifier:oai:buleria.unileon.es:10612/21611
Online Access:https://hdl.handle.net/10612/21611
Access Level:Open access
Keyword:Ingeniería de minas
Sierra De Gredos
Glacial Geomorphological Mapping
Last Glacial Maximum
Last Glacial Termination
Holocene
Description
Summary:[EN] We present a detailed geomorphological map of the landform assemblages originated by the two major paleoglaciers of the Sierra de Gredos mountain range in the Spanish Iberian Central System. Based on previous works, our map focused on the features formed by Gredos and Pinar paleoglaciers during the last glaciation and subsequent glacial events. Based on a remote sensing analysis and exhaustive field surveys, we identified with great accuracy the local distribution of glacial, periglacial, mass movement, structural, fluvial, and lacustrine features. We recognized three main glacial geomorphological formations representing: (i) the maximum glacial extension reached (peripheral deposits); (ii) the culmination of glacial conditions (principal moraines) and (iii) the local glacial withdrawal (internal deposits). Our map offers a renewed spatial framework on which to conduct higher-resolution glacial chronologies, especially of Late Glacial and Holocene glacial activity, providing key information for performing future paleoclimatic reconstructions of the northern hemisphere mid-latitudes.

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