RT Journal Article T1 Abanicos aluviales de la cuenca norte de Madrid. Análisis matemáticos T1 Alluvial fans in the north basin of Madrid. Mathematical analysis A1 García Vivanco, M. A1 Aracil Ávila, E. AB Aluvial fan deposits in the Tertiary North Basin of Madrid have been studied by geophysical logging in several hidrogeological boreholes. Thus, spectral and statistical analysis are used as tools to confirm the sedimentological model asumed for basins of similar features. PB Sociedad Geológica de España YR 1995 FD 1995 LK http://hdl.handle.net/10272/13459 UL http://hdl.handle.net/10272/13459 LA spa DS Repositorio Institucional de la Universidad de Huelva RD 13 jul 2026