The Conglomerate belongs to the group of sedimentary rocks. It is distinguished by its fat grain, basically formed by rounded fragments, more than 2 mm in diameter, called boulders and blocks. These are joined by a matrix of sands and clays and all, joined by a cement of calcium carbonate/silica composition or iron oxides.

Uses: Ornamental and construction stone.

Places: Serradell, La Pobleta de Bellveí, Collegats-Queralt, Pessonada