Located on mercury, the volcanoes ceased their activity 3.5 billion years ago. So say scientists who have studied the processes of geological evolution.
Distinguish between volcanic activity two types. This explosive and effusive activity. The first represents what is happening in the bowels of the earth process, culminating in an extensive ash eruptions of the masses.
As an example, you can take the eruption of mount St. Helens in 1980. Effusive volcanic activity is expressed in a large flow of spewing lava. It is considered a key process, in which the planets formed their bark. Since radiometric method for studies of volcanoes of mercury is not possible to use the scientists used a method of analysis frequencies and sizes.
Thus, they concluded that the volcanic activity of the subsoil of mercury ended 3.5 billion years ago.
