In this study, we report multiple S-isotopic analysis of pyrites from the Meishan section. We discover a sulphur isotope signal (negative δ 34 S with negative Δ 33 S) that suggests episodes when ...

PYRITES (FeS 2) in the form of small crystals and specks of a brassy-yellow colour may be found frequently in quartz. Four pieces of Brazilian quartz, containing pyrites inclusions, have now been ...

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Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...