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They are used to determine the relative ages of rocks by stating that younger rocks lie above older rocks, and that rocks that cut through a layer are younger than the existing layer.
Crystal
Lack of banding
crytal structure
relative age
relative dating.Relative dating is used to determine the relative age of rocks.
Density
Foliation is a characteristic of some metamorphic rocks.
relative age
rocky
They are used to determine the relative ages of rocks by stating that younger rocks lie above older rocks, and that rocks that cut through a layer are younger than the existing layer.
Rocks have color, grain, specific density, and relative hardness.
density
Crystal
What you are referring to is the relative age.
Lack of banding
Large scale folding of rocks during the process of mountain building is characteristic of regional metamorphic rock