Enter a clue or pattern or both:
The Clue
Grand Canyon material (9 letter answer)
The Answer
SANDSTONE
Tags
Notes
The answer SANDSTONE is so rare that it appears less than once every 2900 puzzles.
Related Clues
Construction material
Sedimentary rock
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Definition
SANDSTONE as a noun:
1. a sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.)