what are the examples of biochemical sedimentary rocks?
['BANDED IRON FORMATION (BIF)', 'COAL. BITUMINOUS. ANTHROCITE. LIGNITE. JET. PEAT.', 'CHALK.', 'CHERT OR FLINT.', 'COQUINA.', 'LIMESTONE.', 'OOLITE.', 'PHOSPHORITE.']