Answer: Sample 1 is likely rock salt. Halite is the mineral name for sodium chloride or common salt, which crystallizes into the mineral halite. Halite deposits can form rock salt layers in sedimentary rock formations.
Sample 2 is likely shale. Very fine sediments forming shale rocks are deposited as mud, clay, or silt that gradually lithify into shale over geological time.
Step-by-step explanation: