concretion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To find a solution, lead researcher Hidekazu Yoshida of the Nagoya University Museum turned to his expertise in fossil preservation in calcium carbonate concretions.

From Science Daily

The present fossil was discovered in a clay-ironstone concretion in the 1980s by Bob Masek and later acquired by the David and Sandra Douglass Collection and displayed in their Prehistoric Life Museum.

From Science Daily

Farrell is scouring 158 years of “concretion” from one of history’s most famous weapons.

From Washington Post

Rock formations called concretions hid the fossils inside, like chocolate tucked in a candy shell.

From Washington Post

But on a return trip, he split open small boulders called concretions—and found dozens of skulls.

From Science Magazine