Sentences with phrase «called aragonite»

The record captures nearly every season in that time period, Goldstein said, with white layers of a mineral called aragonite marking summer evaporations, when the minerals were left behind as water vanished.

Coral reefs use a mineral called aragonite to make their skeletons, a process called calcification.

It's made of 95 % chalk — hexagonal plates of calcium carbonate in a crystalline form called aragonite, and they interlock rather like Lego blocks.

Coral reefs use a mineral called aragonite to make their skeletons.

Statoliths are made out of a form of calcium carbonate called aragonite.

Not exact matches

The natural version, also called nacre, is found on the inner shell of some molluscs, where it is built up of layers of the mineral aragonite separated by organic polymers such as chitin.