Aix-en-Provence spider fossil with diatoms (IMAGE)

University of Kansas

Aix-en-Provence spider fossil with diatoms

Caption

Spider fossil from the Aix-en-Provence Formation with white box indicating location of scanning electron microscopy image and chemical map of sulphur (yellow) and silica (pink) seen in upper left. Together these reveal a black sulphur-rich polymer on the fossil and the presence of two kinds of siliceous microalgae: a mat of straight diatoms on the fossil and dispersed centric diatoms in the surrounding matrix.

Credit

Olcott et al

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