Scientists have found an early stage of crust formation.
At the University of Alberta, the canadian researchers studied the stages of crust formation in the initial stages.
In the issue of Nature Geoscience is written about this in more detail. Scientists believe that in the early stages of development of the earth’s surface was completely covered with oceanic crust.
Rock appeared on the planet in four billion years. Currently, there are about three areas, de early rock preserved. They are located in Western Australia, North-Western Canada, Northern Quebec. With these experts, and began my research.
The work of scientists were crowned with success when he found grains of zircon. Thanks to him, we can determine the age of the crust, its chemical composition and other important metrics.
Carried out researches have allowed to detect when there was a merger of magma in the earth’s crust. This happened when the transfer temperature adjacent objects after heating the liquid mass.
