chalk

Over time, these plates form chalk and limestone layers that record Earth’s climate history.

Analysts say Beijing is newly aggressive in its relations with the U.S., chalking it up to the rare-earth issue.

Instead, the Chargers lost after the ball bounced off Johnston’s hands in what he chalked up to a “lack of concentration.”

The Wall Street billionaire may have met his match in the chalk hills of southern England.

England captain Nat Sciver-Brunt says that her team are "chalk and cheese" compared to how they felt after the Ashes defeat at the beginning of the year.