Fig. 14From: The sedimentary dynamics of Sabellaria alveolata bioconstructions (Ostia, Tyrrhenian Sea, central Italy)Two cross-polarized light photos (a, b) showing the main compositional features of the sands trapped in the Sabellaria alveolata Bioconstruction. Amph Amphibole, B Carbonate bioclasts, Ch Chert, Fl Lithic fragments, LC Carbonate lithoclasts, Mcl Microcline, Px Pyroxene, Qtz QuartzBack to article page