HCCS-NORTHWEST COLLEGE PHYSICAL GEOLOGY 1403 SEDIMENTARY ROCKS

CONGLOMERATE CLASTIC TEXTURE PEBBLE-COBBLE SIZE QUARTZ COMPOSITION

SANDSTONE CLASTIC TEXTURE SAND SIZED QUARTZ COMPOSITION STRATIFICATION

SILTSTONE CLASTIC TEXTURE SILT SIZED QUARTZ & CLAY COMPOSITION

SHALE CLASTIC TEXTURE CLAY SIZED CLAY COMPOSITION MOST ABUNDANT ROCK WELL STRATIFIED

MASSIVE LIMESTONE NONCLASTIC TEXTURE CARBONATE ORIGIN CALCIUM CARBONATE BIOTURBATED

SKELETAL LIMESTONE NONCLASTIC TEXTURE CARBONATE ORIGIN CALCIUM CARBONATE ABUNDANT FOSSILS

OOLITIC LIMESTONE NONCLASTIC TEXTURE CARBONATE ORIGIN CALCIUM CARBONATE OOIDS

ROCK SALT & ROCK GYPSUM NONCLASTIC TEXTURE EVAPORITIC ORIGIN ROCK SALT: NaCl ROCK GYPSUM: CaSO4

CHALK CHERT COAL NONCLASTIC TEXTURE BIOGENIC ORIGIN CHALK: CaCO3 CHERT: QUARTZ COAL: ORGANIC