Mysterious ‘golden’ fossils from the Jurassic aren’t what they seem



It was lengthy thought that pyrite — a shiny mineral also referred to as idiot’s gold — was the particular ingredient that gave fossils embedded in Germany’s Posidonia Shale their golden glow. However now scientists suppose one thing else is inflicting these fossils to shimmer.

Earlier this yr, a crew of worldwide researchers visited the Early Jurassic website identified for its exceptionally well-preserved fossils of marine animals. They collected dozens of samples of fossilized ammonites, bivalves and crustaceans that have been about palm-size or bigger.