Geological Term for Scratch on a Rock Surface
This page is the CodyCross answer for the clue below from Airport, Group 460, Puzzle 3 (Security Check Point).
Question is: Geological Term for Scratch on a Rock Surface
and the answer is: STRIATION
Word Meaning:
STRIATION — (countable, mineralogy) One of a number of parallel grooves and ridges in a rock or rocky deposit, formed by repeated twinning or cleaving of crystals.
Definitions from Wiktionary.