The most common and most likely answer to this crossword clue is the 9 letter word IRONSTONE which also is the latest solution we found used in Boston Globe in 1987.
Hard sedimentary rock crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| IRONSTONE | 100 % | 9 |
Words with a meaning similar to the clue: Hard sedimentary rock
These words may or may not be a possible solution to this crosswords clue.- chert
- ironstone
- shale
- sandstone
- limestone
- dolomite
- flagstone
- concretion
- gritstone
- travertine
- bed
- argillite
Crossword Answer definitions
IRONSTONE noun- Any ore of iron which is impure through the admixture of silica or clay.
- A type of vitreous pottery similar to stoneware
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution