Accumulation of secondary carbonate evidence by ascending capillary in Mediterranean argillic horizons (Cordoba, Andalusia, Spain)

Autor(en): Recio Espejo, Jose Manuel
Faust, Dominik
Nunez Granados, Miguel Angel
Zielhofer, Cristopher
Stichwörter: Agriculture; BASIN; CLIMATE; climatic changes; EVOLUTION; MALLORCA; PALEOSOLS; pedogenetic carbonates; Pleistocene; Red Mediterranean soils; Soil Science; SOILS; SOUTHERN SPAIN; STRATIGRAPHY; TERRACES
Erscheinungsdatum: 2008
Herausgeber: LIPPINCOTT WILLIAMS & WILKINS
Journal: SOIL SCIENCE
Volumen: 173
Ausgabe: 5
Startseite: 350
Seitenende: 358
Zusammenfassung: 
The physicochemical properties of a red Mediterranean soil profile (Chromic Luvisol) developed on a fluvial terrace 20 m above the Guadalquivir river, near the city of Cordoba, Spain, were examined with emphasis on finding evidence of translocation of carbonates affecting preexisting Bit red horizons in the selected soil profile. The high concentration of carbonate nodules below the argillic horizon and the vertical distribution of carbonate supported the hypothesis that capillary ascent process explained this phenomenon. Two phases are suggested for this carbonation process. First, a Mediterranean pedogenesis occurred, with illuviation, rubification, and lixivied carbonates, which are accumulated in deep calcic horizons with nodules more than 350 ky. This was followed by a second phase with important processes of capillarity ascent affecting preexisting Bt horizons and carbonate nodules with chronology dated 114 (8.9) ky.
ISSN: 0038075X
DOI: 10.1097/SS.0b013e31816d1ec4

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