Scratches or grooves on a rock or sediment surface caused by abrasive action of objects being transported above it by ice, water or wind. Striations refers to very small parallel grooves or narrow channels of the faces of a crystal.
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Scratches or grooves on a rock or sediment surface caused by abrasive action of objects being transported above it by ice, water or wind. Striations refers to very small parallel grooves or narrow channels of the faces of a crystal.
Related terms: