Since then, the Agost section has been studied by numerous authors (e.g., von Hillebrandt, 1974; Groot et al., 1989; Smit, 1990; Canudo et al., 1991; Martinez-Ruiz et al, 1992, 1997; Ortega-Huertas et al, 1995, 1998; Molina et al, 1996, 2001; Pardo et al, 1996; Arenillas, 2000; Arz, 2000; Alegret, 2003; Alegret et al, 2003), who analysed the micropaleontology,
paleoichnology, biostratigraphy, magnetostratigraphy, mineralogy and geochemistry.