Science news articles about 'sulfur isotopes'

... , professor of geoscience, Penn State, present the possibility that the rocks with an anomalous sulfur isotope fractionation came from locations on the ocean floor where hydrothermal fluids seeped up ...

... billion years ago sometimes have an unusual sulfur isotope composition thought to be caused by the action ... ultra violet light on volcanically produced sulfur dioxide in an oxygen poor atmosphere. Now ...

... scientists has developed a "laser ablation" method that makes it possible to detect variations in the sulfur isotopes of a single hair over time. This information shows up changes in a person's ...

... oxygenation. Time-series data for multiple sulfur isotopes from carbonate-associated sulfate, as well ... future behavior of modern ice sheets. Sulfur content at sulfide saturation in oxidized magmas ...

... change," said Kaufman. "This singular event had a profound effect on the climate, and also on life." Using sulfur isotopes to determine the oxygen content of ~2.3 billion year-old rocks in the ...

... important nickel ore deposits was linked to sulfur in the ancient oxygen-poor atmosphere. These ancient ... happen," says Rumble. "So if you find these sulfur isotope anomalies in rocks of a certain age ...