Conch shell found in French cave oldest known seashell instrument

The instrument is thought to be 18,000 years old

The instrument is thought to be 18,000 years old  

A conch shell found during the excavation of a cave with prehistoric wall paintings in France is believed to be the oldest known seashell instrument and it still works.

The large shell was discovered in 1931 during the uncovering of the cave in the French Pyrenees, and was assumed to be a ceremonial drinking cup. After sitting in a museum for decades, researchers took a fresh look and determined it had been modified thousands of years ago to become a wind instrument. They invited a French horn player to play it, producing a deep, plaintive sound like a foghorn from the distant past.

Archaeologists from the University of Toulouse estimate it to be around 18,000 years old, they published their findings in the journal Science Advances on Wednesday. “Hearing it for the first time, for me it was a big emotion and a big stress,” said archaeologist Carole Fritz. She feared that playing the 12-inch shell might damage it, but it didn’t. The horn produced clear C, C sharp and D notes. Conch shells have been used widely in musical and ceremonial traditions, including in ancient Greece, Japan, India and Peru. The shell instrument found in the Marsoulas cave is now the oldest known example. Previously, a conch shell instrument found in Syria had been dated to about 6,000 years old, said another Toulouse archaeologist, Gilles Tosello.

The latest discovery was made after a recent inventory at the Natural History Museum of Toulouse. The researchers noticed some unusual holes in the shell. Crucially, the tip of the shell was broken off, creating a hole large enough to blow through. Microscopic inspection revealed the opening was the result of deliberate craftsmanship, not accidental wear, according to Tosello. By inserting a tiny medical camera, they found that another hole had been carefully drilled in the shell’s inner chamber, they also detected traces of red pigment on the mouth of the conch, matching a decorative pattern found on the wall of Marsoulas cave. “This is classic, really solid archaeology,” said Margaret Conkey, an archaeologist at the University of California, Berkeley, who was not involved in the research. “This discovery reminds us that their lives were much richer and more complex than just stone tools and big game.”

Marsoulas cave is not located near an ocean, so the prehistoric people must have either moved around widely or used trading networks to obtain the shell, Conkey and the researchers said. “What makes conch shells so interesting is that the spiral cavity formed by nature is perfectly adept at resonating musically,” said Rasoul Morteza, a composer in Montreal who has studied conch shell acoustics, and was not involved in the paper. Using a 3D replica, the archaeologists plan to continue studying the horn’s range of notes. Tosello said he hopes to hear the ancient instrument played inside the cave where it was found. “It’s amazing when there’s an object forgotten somewhere, and suddenly it comes again into the light,” he said.

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