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M________
Definitions
metamorphic rock with approximately the same composition as marl
Word origin
From marl + stone.
Used in a sentence
“The steady climb eastwards has lifted us from the Soar Valley at Leicester into the marlstone (or ironstone) country of the Middle Lias which, at this point, forms a ridge of high ground over 700ft above sea level, […]”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for marlstone yet.