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Reported New York Post, it was revealed from research recently conducted by professor of geomorphology at the University of Brighton, England, David Nash. Nash, who led the research, previously carried out research on a piece of Stonehenge from restoration staff Robert Phillips in 1958.
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The stone was brought to the United States (US), but was then returned in 1958.
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To solve the puzzle of Stonehenge’s age, Nash carried out research methods with geochemical analysis and CT scans.
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As a result, the jumbo-sized rocks of Stonehenge are towering, which are known as sarsens, it is made from rocks containing sediments that formed in the time of the dinosaurs. Other grains in the rock are estimated to be 1.6 billion years old.
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The study also stated that the compound silcrete The rock of Stonehenge consists mostly of grains that are tightly cemented by interlocking quartz crystals. These rocks have a very durable material and do not crumble or erode easily even when exposed to other elements.
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“This explains the rock’s resistance to weathering and why it’s an ideal material for building monuments,” Nash said.
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Nash also speculated that the people who built Stonehenge knew very well about the rock and its durability.
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Stonehenge’s Age is Older Than Previously Estimated
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Analysis of the rock fragments also revealed clues to the age of the sediments in the Stonehenge rocks. Initially, Nash theorized that the sandy sediments in which the rock existed were deposited during the Paleogene period (66 million to 23 million years ago) so that sarsens can’t be older than this.
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However, another conclusion was reached when the researchers compared the ratio isotop neodymium, or elemental atoms by number neutron different in nucleus, in the sample. They found that certain sediments in the rock sarsen it’s older than expected.
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Some of the grains were likely eroded from rocks dating to the Mesozoic era (252 million to 66 million years ago), when the rocks may have been stepped on by dinosaurs. In addition, Nash revealed that it is possible that some of the sand grains at Stonehenge were formed from 1 billion to 1.6 billion years ago.
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