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Web Date: March 17, 2017

Geochemical precipitates may fool fossil hunters

Inorganic crystals can mimic biofossils, but they’re formed without biological help
Department: Science & Technology
Keywords: biomorphs, fossils

Geochemists searching for evidence of ancient life often look to collections of round, twisted, and loopy mineral precipitates they find in soil or water samples as possible microbial fossils.

A team led by Juan Manuel Garcia-Ruiz at the Spanish Higher Council of Scientific Research and University of Granada and Oliver Steinbock at Florida State University, however, have now made these types of inorganic structures without the help of biology (Sci. Adv. . . .

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Chemical & Engineering News
ISSN 0009-2347
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