Strelley Pool Microfossils (IMAGE)

Goldschmidt Conference

Strelley Pool Microfossils

Caption

The image shows (left) an electron microscope image of a microfossil form Strelley Pool. On the right we see the pattern of X-ray absorption for Strelley Pool, Gunflint, and modern microorganisms, with distinctive peaks indicating the presence of various molecular functional groups (including 285.1 eV for aromatic/olefinic groups, 286.7 eV for imine/nitrile/carbonyl/phenol groups, 288.2 eV for amide groups, 288.6 eV for carboxyl/ester/acetal groups, 289.4 eV for hydroxyl groups).

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Julian Alleon/GPL

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