Nonclastic Rocks
n
Biogenic
n
Limestone : Calcareous (Foraminiferal, Reef,
Shell)
n
Chert : siliceous (Radiolarian)
n
Peat, coal, oil and gas
n
Chemogenic
n
Limestone,
Oolite
, Dolostone
n
Iron Formation
n
Evaporite
n
Phosphorite