Particle size
Pebbles, cobbles, boulders
Gravel- > 2mm
Sand- 2mm – 0.063mm
Silt – 0.063mm – 0.004mm
Clay- < 0.004
Deposition Clay-sized particle vs. clay mineral
CLASTIC ROCKS
Fine-grained Rocks
Shale- fissile (in ‘sheets’)
Siltstone
Claystone
Mudstone (silt and clay)
