Australasian Science: Australia's authority on science since 1938

The Boring Billion

Sedimentary rocks such as these hold the key to understanding variations in ocean trace elements and atmospheric oxygen.

Sedimentary rocks such as these hold the key to understanding variations in ocean trace elements and atmospheric oxygen.

By Ross Large

Trace element levels in the ocean over the past 3.5 billion years explain important evolutionary events such as the Cambrian explosion of life and a “boring” billion years when evolution stood still.

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