Sierra Brown Rock Boulders Central California quarry producing a wide range of shale rock materials from D. G. fines to large boulders. Materials are shipped bulked throughout Central and Northern California and on pallets anywhere requested. Sierra Brown Rock and Boulders has very rich combinations of color tones. It has dominating brown color that varies from warm caramel tone to sable black tones. As it splits the cleft face exposes the grey-blue layers dotted with fossils.
