Referring to Table 14.1, which is an example of an organic sedimentary rock?
A)siltstone
B)shale
C)coal
D)rock salt

Question

Quizplus · Accepted Answer

Coal is an organic sedimentary rock made from the accumulation and compression of plant matter over time. Siltstone and shale are both clastic sedimentary rocks made from the accumulation of mineral and rock fragments, while rock salt is a chemical sedimentary rock formed from the precipitation of salt minerals.