Acheulian flint quarries in the Madrid Tertiary basin, central Iberian Peninsula: first data obtained from geoarchaeological studies - Bárez del Cueto, Sergio; Baena Preysler, Javier; Pérez-González, Alfredo; Torres Navas, Concepción; Rus Pérez, Inmaculada; Vega de Miguel, Jorge (2016)