Fools’ Gold Found to Regulate Global Oxygen

The sulfur-based chemistry of iron pyrite may play a major role in atmospheric oxygen concentrations From The Weizmann Institute of Environmental Science: As sulfur cycles through Earth’s atmosphere, oceans and land, it undergoes chemical changes that are often coupled to changes in other such elements as carbon and oxygen. Although this affects the concentration of…

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Fools gold as paleo-atmospheric proxy

From the University of Edinburgh Fool’s gold gives scientists priceless insight into Earth’s evolution Fool’s gold is providing scientists with valuable insights into a turning point in the Earth’s evolution, which took place billions of years ago. Scientists are recreating ancient forms of the mineral pyrite – dubbed fool’s gold for its metallic lustre –…