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Browsing by Author "Sánchez Valverde, B."
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Interpretación paleoclimàtica de las varvas pliocenas de la Cuenca de Villarroya (Sierra de Cameros, La Rioja)
Muñoz Jiménez, Arsenio; Sánchez Valverde, B. (Sociedad Geológica de España, 2001)This is a study of an extremely good outcrop of 1745 varves in the Villarroya Pliocene Basin (Spain). We have used the periodogram approach for estimating power spectra and periodicities of about 1 2, 6-7 and 2-3 years ...