An international research team led by Curtin University has utilized 300-million-year-old coprolites from the Mazon Creek fossil site to delve into the mechanisms of molecular fossilization. Their findings, published in the journal Geobiology, reveal how delicate molecular traces, such as cholesterol derivatives indicative of a meat-based diet, are preserved over deep time. The study highlights the role of iron carbonate grains in safeguarding these biomarkers, offering new insights into ancient ecosystems and the dietary habits of prehistoric organisms.
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