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Clay-and-calcium-carbonate mix used in cement making NYT Crossword Clue

Across clue · from the May 23, 2026 puzzle

Stuck on “Clay-and-calcium-carbonate mix used in cement making” from the New York Times Crossword? Here is the verified answer:

Answer
MARLSTONE
9 letters · Across · last seen May 23, 2026

More clues from the May 23, 2026 puzzle

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