Dentist Unearths Ancient Jawbone in Parents' Floor Tile

A routine visit to his parents' newly renovated home took an extraordinary turn when a dentist discovered what appears to be a prehistoric human jawbone, complete with teeth, embedded in a travertine floor tile. The remarkable find, sourced from western Turkey, has sparked scientific interest, with researchers planning further study to determine its age and origin.

Key Takeaways

• A dentist identified a human-like jawbone in a travertine floor tile at his parents' home.
• The tile originates from a quarry in western Turkey, with travertine formation dating back 0.7 to 1.8 million years.
• Scientists are planning to study the specimen to determine its age and species.
• Fossils, including human remains, are not uncommon in travertine deposits.

An Unexpected Discovery

While visiting his parents' home in Europe, a dentist noticed an unusual feature in one of the travertine floor tiles. Recognizing the distinct shape from his daily work with CT scans, he identified it as a human mandible, remarkably still containing several teeth. The dentist, who has chosen to remain anonymous to protect his family's privacy, shared his find on Reddit, where it quickly garnered attention.

Travertine: A Window to the Past

The jawbone was found embedded in travertine, a type of limestone formed near hot springs. The specific tile came from the Denizli Basin in western Turkey, where the travertine deposits are estimated to be between 0.7 million and 1.8 million years old. This geological context suggests the mandible is ancient, not from a recent individual. Travertine's formation process can trap various organic materials, including fossils, making such discoveries, while uncommon, not entirely unexpected.

Scientific Investigation Underway

An international team of researchers has been contacted and is collaborating with the dentist to develop a plan for removing the tile for further analysis. Scientists aim to use CT scans to create a 3D model of the jawbone, conduct chemical analysis of the rock to determine its age, and potentially examine tooth enamel for dietary clues. There is even hope of recovering ancient DNA. Preliminary observations suggest the individual may have had missing teeth, possibly due to injury or disease, and that human intervention might have occurred.

Fossils in Flooring

This is not the first significant fossil discovery from the Denizli Basin. Previous finds in travertine from this region include various animal fossils like mammoths and deer, as well as human remains. Notably, a skull cap fragment, dated to at least 1.1 million years old and showing signs of tuberculosis, was discovered there, representing the first Homo erectus found in Turkey, nicknamed the "Kocabaş hominin."

Experts explain that quarry workers typically make rough cuts and focus on major defects, often overlooking smaller inclusions like fossils, which can even be seen as desirable features by consumers. The discovery highlights the potential for ancient artifacts to be found in everyday materials.

Sources

• Dentist Discovers Human-Like Jawbone and Teeth in a Floor Tile at His Parents' Home, Smithsonian Magazine.
• Dentist Notices A Likely Human Jawbone In His Parents' Floor, All That's Interesting.