Question

What type of chemical sedimentary rock is found in petrified wood?1) Shale2) Dolostone3) Coquina4) Chert5) Limestone

Answer 1

Chert

Step-by-step explanation:

Chert is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO2).