Iron sulphides (the minerals marcasite and pyrite) precipitated from hydrothermal fluids in rocks of the Haughton impact structure on Devon Island,Canada. The white,fluffy material is a mixture of sulphate minerals,including gypsum. The whole assemblage reflects both high-temperature fluid activity (the sulphides) and lower-T weathering and hydrolysis | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bhatia, Kul |
Bildgröße: | 3487 px × 2610 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
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