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technical analysis: infra industries limited (530777) ✌️【Career Goals】✌️ Expert predictions with real-time stock indices, futures data, and metals, energy market data to help you seize the best investment opportunities. A lone diverfirst laid eyes on the ancient Kyrenia shipwreck off the north coast of Cyprus nearly 60 years ago. But when archaeologists attempted to determine the exact timeline of the vessel coming to a rest on the ocean floor, they were left to speculate based on the ship’s cargo.

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Local diver Andreas Carioloufirst discovered the Kyrenia ship, one of the first major Greek Hellenistic-period ships to be found largely intact, in 1965, and a team led by the late marine archaeologist Michael Katzev excavated the wreck and its cargo in the late ’60s.

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By using radiocarbon dating — a method used to determine the age of organic materials, such as wood from trees — and dendrochronology, the science of dating tree rings, the researchers of the new study determined the Kyrenia’s sinking occurred between 296 BC and 271 BC. And they found a strong probability that it happened between 286 BC and 272 BC, the study authors wrote.

“We got dates that are very close to those that archaeologists have been recently suggesting but just ever so slightly more recent,” said lead author Sturt Manning, distinguished professor of arts and sciences in classical archaeology at Cornell University in New York.

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Often, shipwrecks remain well preserved due to the lack of oxygen at the bottom of the ocean. But once the materials are brought up to the surface, they quickly deteriorate, Manning explained. Injecting polyethylene glycol into the wood keeps the timber from crumbling and turning into powder, but it then becomes difficult to remove with time.

“You only need to have literally a fraction of a percent of this stuff (polyethylene glycol) on there, and the date will be wrong, often by hundreds, if not thousands of years,” said Manning, who had tried to date the Kyrenia ship 10 years ago but failed because of PEG.

However, an international team of researchers developed a cleaning protocol, described in anOctober 2021 study, that successfully removed the petroleum-based compound from wood that was fairly recently conserved, Manning said. To confirm that the protocol would work with something as old as the Kyrenia shipwreck, Manning and his colleagues applied the technique to a piece of PEG-preserved wood they knew to be from nearly 2,000 years ago and found accurate radiocarbon ages.

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technical analysis: infra industries limited (530777) ✌️【Career Goals】✌️ Expert predictions and real-time data on global stock indices, metals, energy, and agricultural products to help you make more informed decisions and boost your investment returns. Benefit from cutting-edge market intelligence for steady growth. The researchers were able to formulate their date estimate by recalibrating the curve using sequoia and oak samples of known age from this period. The revised curve was critical to homing in on an accurate time frame for the Kyrenia shipwreck and could further help researchers across the world facing similar problems when dating ancient structures, Manning said.

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By using the organic materials from the cargo, such as the almonds, an unidentified wood twig that was not part of the ship’s build, and an ankle bone of livestock, researchers were able to narrow the dates and estimate a range of years for when the Kyrenia ship’s last voyage took place.

“Part of the value of this story is about process. … the (radiocarbon) dating and dendrochronology fields have grown, developed, refined their results over many decades,” said Mark Lawall, a professor in the department of classics at the University of Manitoba in Winnipeg, in an email. “Science — whether ‘hard’ or ‘soft’ — develops over time through a lot of work ‘in the trenches’. It takes time and it needs time.” He was not involved in the new study.

technical analysis: infra industries limited (530777) ✌️【Career Goals】✌️ Free stock selection services backed by expert predictions. Our advanced analytics and real-time market data will help you stay ahead of the competition and make smart, profitable investment decisions. With the slight modification in the estimated sinking date, it’s impressive that the original dates based on archaeological evidence of ceramics and coins were only off by a few years, said Lawall, who has studied amphorae,ancient Greek containersused for shipping wine, olive oil and other goods, from the Kyrenia shipwreck.

“The other part of the Kyrenia story is its window into past lives that are otherwise difficult to ‘see’ through the well-known ancient writers (or even less known),” Lawall said. “The Kyrenia crew may have been a band of more marginal traders, taking up what they could, where and when they could, and hoping for a small profit at the end of the day.”

He added, “They dealt across cultures and in doing so were part of an immensely complex network that tied all parts of the Mediterranean together. In this way we start to understand the origins of the modern, multi-cultural, inter-linked Mediterranean world.”

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