American geologists from the University of California in Berkeley and the University of Aidaho in Boyce found that the global glacier of the world – Marinoanskoye – 639 million years ago and lasted about 4 million years ago. The study was published scientifically magazine National Academy of Sciences (PNA) procedures.
In Namibia, using modern isotopic analysis methods and 3D modeling of glacier deposits, scientists found that a period of marinoan glacier was second in a series of disasters of a non -prophecy. Before that, there was a longer perforated icing that lasted about 60 million years.
The leading author of the study. Emma Our data shows that the Earth has at least two full glaciers in an intervals of 30 million years. At the same time, the Marinoan Ice Age was more dynamic than the previously taken into consideration, ”Emma Greenwood said.
The special interest of scientists is in contact between the end of glacier and the increase in biological diversity. According to the researchers, the first complex multicellular organisms have been a sharp warming after 15 million years of cold -year -old cold – pioneers of all modern life.
The data obtained are important to understand the mechanisms of global climate changes and can help estimate modern environmental processes.
Previously, scientists To create Full icing certificates of the Earth in the distant past.
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Source: Gazeta
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