Underwater caves in South Australia preserve bones while light triggers algae growth

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Animal bones found in the underwater caves of South Australia display unusual preservation patterns shaped by their aquatic surroundings. Areas with limited light kept bones in remarkably pristine condition, while light-exposed zones encouraged algae growth on bone surfaces. Scientists are studying these contrasting effects to better understand how cave environments influence fossil preservation. These findings are helping researchers reconstruct ancient ecosystems and geological changes over time. The insights are expected to establish a new global framework for interpreting fossil records found in similar underwater settings.

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