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유럽에서 발견된 가장 광범위한 공룡 발자국이 옥스퍼드셔 채석장에서 발견되었습니다. Amazing paleontologists have gained new insight into how dinosaurs moved through the landscape.
The incredible 220-metre-long tracks left behind by a giant sauropod dinosaur with a long neck and tail were discovered in the Dewars Farm quarry near Bicester during limestone removal work.
The footprints grow to about 16 meters in length and are believed to have been made by a species of sauropod known as Cetiosaurus that lived in what is now Britain and France about 171 to 165 million years ago.
The research team, jointly led by Oxford University's Natural History Museum and the University of Birmingham, discovered hundreds of individual footprints across the site, including sauropod footprints as well as rare three-toed footprints thought to have been made by giant carnivorous dinosaurs.
We have been working at the site since 2022 and have slowly discovered more and more of this surface, Dr Duncan Murdock from Oxford University's Natural History Museum told The Independent.
This summer we excavated four railway tracks, the longest of which was 220 meters long, with nearly 100 individual footprints. 각 발자국의 길이는 거의 1m에 달해 정말 거대했습니다.
Researchers from Oxford University's Natural History Museum and the University of Birmingham have discovered sauropod footprints in Oxfordshire (Emma Nicholls).
이를 통해 우리는 이 동물이 얼마나 컸는지 알아낼 수 있습니다. Approximately, the height of the hips is about four times that of the print, so it is about 4 meters from the hips, and the length from head to tail is about 15 to 16 meters. [weighing]
Footprints left behind by animals provide new clues about how they moved, especially how fast the creatures were walking.
From what we know about how quadrupeds like elephants move today, we can use estimates of stride length and hip height to calculate speed. 달리는 경우에는 걷는 경우보다 보폭이 더 멀어집니다. We estimate [the dinosaurs speed to be]
What we now call Oxfordshire was a very different place 166 million years ago. At the time, Britain was much further south than it is today, at the same latitude as North Africa, and sea levels were much higher, creating a wide inland sea dotted with islands. 게다가 거대한 공룡들이 물이 가득한 풍경을 가로지르며 갯벌 위를 활보하고 있었습니다.
Think of things like the Florida Keys or the Bahamas Banks. There would have been tidal flats occasionally exposed to the air, one of a series of tidal flats along the chain of islands the dinosaur was walking on. They were using it to move between islands, Dr Murdoch said.
There are quite a few historic sites around the world in the UK, where dinosaur footprints are frequently found and where rock formations are exposed due to erosion by the sea, but the site in Oxfordshire is unique due to its scale.
버밍엄 대학의 고생물학자인 커스티 에드가(Kirsty Edgar)는 인디펜던트(The Independent)와의 인터뷰에서 다음과 같이 말했습니다. 대부분의 공룡 발자국 유적지는 작은 해안 노출 지역이기 때문에 영국에서 이와 같은 것을 보는 것은 매우 드뭅니다. As the quarry continues to expand, so too do the dinosaur tracks, providing a rich snapshot of the life and times of these amazing animals.
It's truly exciting to be able to stand where the largest animals that once walked and imagine what their lives and world must have been like.
Professor Edgar added: 공룡 발자국은 공룡이 어떻게 살았는지, 공룡이 그 순간에 무엇을 하고 있었는지 엿볼 수 있는 기회를 제공합니다. This is something that cannot be achieved from the body fossil record alone.
However, discussions are ongoing with Natural England, quarry operator Smiths Bletchington and local authorities about possible future excavations. 그때까지 채석장은 계속해서 활발하게 사용될 것이며 가까운 미래에도 추출 작업이 계속될 것입니다.
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