Date:

New secrets from ‘Bay of the Pirates’ warship that sunk 2,300 years ago

A new study puts some finishing touches on the 2,300-year history of the beak-like weapon that an ancient warship used to ram enemy ships in the First Punic War, the conflict between ancient Rome and Carthage.

The report, in ACS’ journal Analytical Chemistry, also identifies a major threat that conservators must address in preserving this archaeological treasure for future generations.

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Patrick Frank and colleagues explain that the ram, called a rostrum, was found in 2008 under 22 feet of water, 150 feet offshore from Acqualadrone (which means “Bay of the Pirates”) in northeastern Sicily. The Acqualadrone rostrum is bronze, with a wooden core that was preserved because of burial beneath the seafloor.

Carbon-14 dating suggests that the warship sank around 260 B.C. after being damaged in the battle of Mylae during the opening stages of the First Punic War, which may have been among the largest wars of its time. Earlier research localized the metals in the bronze to mines in Spain or Cyprus. The authors, from the SLAC National Accelerator Laboratory at Stanford University and the University of Palermo, set out in the new research to learn more about the origin and condition of the rostrum wood.

Location of Mylae (Milazzo) on the coast of northern Sicily : Wiki Commons

Their analysis of the acids and other substances in the wood showed that the strutwork of the Acqualadrone rostrum was pine, waterproofed with pine tar. Other woods, like juniper and oak, and other ancient marine sealants, like beeswax, were ruled out. Importantly, the research found copious sulfur in the wood that could turn into sulfuric acid, an extremely corrosive substance. Sulfuric acid is known to appear in recovered wooden marine archaeological treasures and can threaten their existence. The authors argue that iron and copper permeating the wood may catalyze that transformation, but they suggest that removing ozone from museum air could slow the conversion.

Background:

The authors acknowledge funding from the Department of Energy Office of Science, Department of Energy Office of Biological and Environmental Research, the National Institute of General Medical Sciences, the National Center for Research Resources and the National Institutes of Health.

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The American Chemical Society is a nonprofit organization chartered by the U.S. Congress. With more than 164,000 members, ACS is the world’s largest scientific society and a global leader in providing access to chemistry-related research through its multiple databases, peer-reviewed journals and scientific conferences. Its main offices are in Washington, D.C., and Columbus, Ohio.

Contributing Source : ACS

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Mark Milligan
Mark Milligan
Mark Milligan is a multi-award-winning journalist and the Managing Editor at HeritageDaily. His background is in archaeology and computer science, having written over 8,000 articles across several online publications. Mark is a member of the Association of British Science Writers (ABSW), the World Federation of Science Journalists, and in 2023 was the recipient of the British Citizen Award for Education, the BCA Medal of Honour, and the UK Prime Minister's Points of Light Award.
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