sulfide ore

An analysis of sulfide ore deposits from one of the world’s richest base-metal mines confirms that oxygen levels were extremely low on Earth 2.7 billion years ago, but also shows that microbes were actively feeding on sulfate in the ocean and influencing seawater chemistry during that geological time period.

Classified as: Boswell Wing, evolution, Nature Geoscience, seawater chemistry, sulfide ore
Published on: 10 Dec 2012