3000 year old arrowheads made from space Materials: Okezone techno

JAKARTA – A 3,000-year-old arrowhead in the Historical Museum in Bern, Switzerland has surprised scientists. The reason is that these arrowheads are actually made from a very rare material, namely from iron-rich meteorites.

In a recent study, scientists discovered that arrowheads were made of a form of aluminum not found naturally on Earth. Arrowheads are said to contain an alloy of iron and nickel that has only been detected in meteorites.

As compiled by the Independent, on Saturday (5/8/2023), this same arrowhead was found at a Bronze Age site called Mörigen, where early humans are known to have lived between 900 and 800 BC

Researchers initially speculated that the arrowheads were made using metal from the Twannberg meteorite that fell less than 8km from where the weapon parts were found. But apparently the assumption was wrong.

They found that the concentrations of germanium and nickel did not match between the meteorite and arrowhead samples. Scientists also suspect that the material used comes from three other meteorites previously found in Europe.

Upon further investigation, it was revealed that the material used was a meteorite that fell in Estonia. Instead of the Czech Republic and Spain, scientists believe the Estonian meteorite is the most likely.

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The findings suggest that there may have been extensive trade networks between early localities in Estonia and Switzerland during the Bronze Age in central Europe. This is why arrowheads were last found in Switzerland.

‘Among only three large European iron meteorites with a suitable chemical composition, the Kaalijarv (Estonian) meteorite is the most likely source,’ the scientists wrote in the study.

They noted that a large meteorite cratering event in Estonia most likely occurred around 1500 BC during the Bronze Age and produced many small fragments.

‘The discovery and subsequent transport/trafficking of such small iron fragments seems much more likely than the case of a large buried meteorite mass,’ the researchers added.

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