According to foreign media reports, scientists recently discovered that Greenland was formed 3.8 billion years ago, and its predecessor was the submarine continent, which was formed by the collision of continental plates. This discovery makes Greenland the oldest island in the world.

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Scientists said that this study found that the plate movement of the earth's continent was much earlier than we thought, and Greenland was formed by the collision of continental plates in the movement.

Scientists came to this conclusion after analyzing and studying some ancient rock fossils found in Greenland. They say that these ancient rock fossils are hidden underground in Greenland, and they are arranged like a neat dam. Through the analysis and study of these rocks, scientists have confirmed that the origin of Greenland is much more complicated than people think. It may be the result of crustal plate movement, but the formation process is quite long and complicated.

Scientists say that these ancient rock fossils found in Greenland can only be produced by collision during the movement of continental plates, which is what scientists call serpentine. Serpentine is a kind of rock formed by the collision of two continental plates in motion, from which it can be inferred that Greenland may be a submarine continent in ancient times.

Professor Khalid ferns, a geoscientist from Bergen University in Norway, is in charge of this research. When talking about this research, he said, "The discovery of ophiolite in Linglan Island is a breakthrough for us to pay attention to this island. These ophiolite fossils found in southeastern Greenland are the oldest ophiolite on earth. It can be said that Greenland is the first island on earth that was originally a submarine continent due to the collision of crustal movement. According to the aging and weathering degree of these fossils, we initially judged that they were formed 3.8 billion years ago. "

This research result was published in the latest issue of Science magazine, and the article said that this research result will have a great impact on the evolutionary history of the earth and the history of the formation of life on the earth. Previously, most experts believed that life was born in a warm place on the earth, because this place helps organisms to absorb nutrients from the outside world, and the environment also helps organisms to reproduce.

According to the lecture on earth architecture, the surface continent of the earth is like a jigsaw puzzle, which consists of many small pieces. These small pieces have been moving, but the speed of movement is very slow, so you can't feel it. Due to the movement of continental plates, strong volcanic or earthquake phenomena often occur at the junction of many plates. On the other hand, it is the movement of continental plates that has created many new continents. Some scientists also said that before the plate movement, the earth was just a piece of Wang Yang.

When did the crustal plate movement begin? This problem has always been the focus of debate among scientists, because the earth's surface must be cold enough to form solid land. Most scientists believe that this event started late, because the earliest ophiolite unearthed in the world was formed 2.5 billion years ago.

Jennifer Carlson, a structural geologist from Syracuse University in new york, said, "At present, there are still many arguments in academic circles about when the crustal plate movement will start. This discovery in Greenland provides new evidence for the viewpoint of early crustal plate movement. However, it is also pointed out that the discovery of Greenland can only show that the plate movement on the seabed started a long time ago, which does not mean that other plate movements also started a long time ago. It is a very good material for studying the structure of the early earth. "

With the in-depth study of snake green unearthed in Greenland, scientists gradually turned their attention to the influence of ancient crustal plate movement on life prosperity. Professor ferns said, "We may analyze some information about ancient life forms from the chemical composition of ophiolite in Greenland. Previously, some earth scientists believed that life on earth was multiplied by the movement of the crustal plate. " Carlson also said that the submarine ridge in ancient times was a hotbed of early biological life. At that time, the influence of various external environmental changes could only involve the ocean surface, while the underwater world was beyond reach.