This set has 14 types of sedimentary rocks and are classified as detirtal, chemical, or biochemical. The idea is to know what class a given rock belongs to.
Sandstone
Detrital
Chert
Chemical
Mudstone
Detrital
Shale
Detrital
Conglomerate
Detrital
Arkose
Detrital
Oolitic limestone
Chemical
Micrite limestone
Chemical
Chalk limestone
Biochemical
Rock gypsum
Chemical
Bituminous coal
Biochemical
Coquina limestone
Biochemical
Fossiliferous limestone
Biochemical
Siltstone
Detrital