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Título

Study of Paleoweathering on the Spanish Hercynian basement Montes de Toledo (Central Spain)

AutorMolina, Eloy; García-González, M.T. ; Espejo, R.
Palabras clavePaleoweathering
Spanish Hercynian Basement
Montes de Toledo (Central Spain)
Fecha de publicación1991
EditorElsevier
CitaciónCatena 18: 345-354(1991)
ResumenThe Hercynian basement of the Iberian Peninsula consists of a series of late Hercynian blocks that were unleveled by the Alpine orogeny. The "Montes de Toledo" range is found in one of the elevated blocks of the central zone and shows ancient alterations affecting different rocks which are fossilized by sediments o1" different ages. Two of these weathering profiles, under the Plio-Pleistocene sediments of "Rafia" formations are studied. One is developed on granodiorite with some intercalated metamorphic rocks and the other on a slaty series. In both profiles smectite is formed in a first weathering process. A second weathering process, yielding kaolinite and affecting "Rafia" sediments is superimposed on older one. Both processes seem to be widely spread in the western part of the Iberian Peninsula.
Descripción10 pages, figures, and tables statistics.
URIhttp://hdl.handle.net/10261/24113
ISSN0341-8162
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