Cutting-edge technology has revealed new insights about a globally famous fossil treasure trove, which may provide critical evidence concerning early life on Earth. Scientists investigating the 400 million-year-old fossil cache, discovered in the remote northeastern region of Scotland, report tha
A small piece of Rhynie fossil plant with fossil fungi colonizing the ends, viewed through a microscope. Credit: Loron et al.
Fresh scrutiny of the exquisitely preserved treasure trove from Aberdeenshire has enabled scientists to identify the chemical fingerprints of the various organisms within it. Employing a technique known as FTIR spectroscopy – in which infrared light is used to collect high-resolution data – researchers found impressive preservation of molecular information within the cells, tissues, and organisms in the rock.
These strange organisms, which are found in Devonian – and later Silurian – sediments have both algal and fungal characteristics and were previously hard to place in either category. The new findings indicate that they were unlikely to have been either lichens or fungi. Dr Corentin Loron, Royal Society Newton International Fellow from the University of Edinburgh’s School of Physics and Astronomy said the study shows the value of bridging paleontology with physics and chemistry to create new insights into early life.
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