Answer: Shale
Explanation:
Shale is a fine-grained, clastic sedimentary rock, composed of mud that is a mix of flakes of clay minerals and tiny fragments of other minerals, especially quartz and calcite
Answer:
Rock 1 granite
Rock 2 gneiss
Rock 3 marble
Rock 4 obsidian
Rock 5 slate
Rock 6 conglomerate
