Argillaceous schist From Wikipedia, the free encyclopedia Argillaceous schist is metamorphic rock which exhibits fine laminations of clay materials.[1] Its protolith is argillite. References [1]Kontogianni, V.; Tzortzis, A.; Stiros, S. (October 2004). "Deformation and Failure of the Tymfristos Tunnel, Greece". Journal of Geotechnical and Geoenvironmental Engineering. 130 (10): 1004–1013. doi:10.1061/(ASCE)1090-0241(2004)130:10(1004). ISSN 1090-0241. See also PeliteThis article related to petrology is a stub. You can help Wikipedia by adding missing information.vte Related Articles