Barium removal and the Cambrian Explosion (IMAGE)

Science China Press

Barium removal and the Cambrian Explosion

Caption

(A) Temporal trends in Baexcess contents in organic-rich mudrocks (circles) and sizes of massive barite deposits (bars) from the Neoproterozoic to the present. (B) Evolutions in mean marine sulfate concentration and maximum estimate of average dissolved Ba concentration from 565 Ma to 480 Ma. (C) Key evolutionary innovations and marine animal diversity from 565 Ma to 480 Ma.

Credit

©Science China Press

Usage Restrictions

Use with credit.

License

Original content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.