Fig. 6: Chemical maps of part and counterpart of two spider fossils from the Aix-en-Provence Formation. | Communications Earth & Environment

Fig. 6: Chemical maps of part and counterpart of two spider fossils from the Aix-en-Provence Formation.

From: The exceptional preservation of Aix-en-Provence spider fossils could have been facilitated by diatoms

Fig. 6

Part and counterpart of samples Aix_13 and Aix_17 showing distribution of, from top to bottom, C, S, Si, O, and Ca. The chemical maps reveal that C and S are co-located in areas of the fossil where the black polymer is located, that both the matrix and the spider fossils contain co-located Si and O, and the matrix contains Ca. White circles indicate two example areas where C in the matrix is not associated with S, demonstrating the two elements are co-located on the body of the spider fossil.

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