Sedimentary rock
Wacke (greywacke)
A 'dirty' sandstone with 15–75% fine silt and clay matrix. Subtypes are quartz, feldspathic and lithic wacke; lithic wacke is also called greywacke.
Other sedimentary rocks
Conglomerate and breccia · Quartz arenite · Arkose · Lithic arenite · Mudrocks: shale, mudstone, siltstone, claystone · Limestone · Chalk · Coquina · Oolite · Travertine and tufa · Dolostone · Chert · Diatomite · Radiolarite · Evaporites: rock salt and gypsum · Banded iron formation · Coal: peat to anthracite · Oil shale