December 06, 2019
KCNA Naenara (En)

Geological Features of Mt Paektu Area (1)

Date: 20/11/2019 | Source: Naenara (En) | Read original version at source

Formation of Mt Paektu Area

From ancient times, the Mt Paektu area has been called the Paektu lava plateau.

The plateau covers an area of over 5 000 thousand square kilometres.

About 3.5millions of years ago, the Mt Paektu area was a vast forest, a hilly plain of over 2 000 metres above sea level.

Six rounds of volcanic eruptions resulted in changing it into today’s Paektu area.

The Pacific plate moving from the southeast of the Japanese archipelago adjacent to the Pacific Ocean began to sink to the bottom of the Asian continent and made contact with lower parts of the continent crust. In the course of this, it produced high heat and pressure in some areas, thus giving rise to the volcanic activities in the Mt Paektu area.

Due to these movements, a gigantic primitive magma chamber was formed under the depth of 60 to 90 kilometres from the surface of the earth and the fault zones came into being.

Such geotectonic movements began to become more active to produce a primary, gigantic intercalary magma chamber under the depth of 25 to 35 kilometres, with the result that the East Sea opened and the fault zones broadened wider with the Japanese archipelago breaking up towards the Pacific, clearing the path for magma to rise through the intersecting points.

With the magma kept rising, a section with the radius of 5 km rose like a vault centred on the present Lake Chon on Mt Paektu.

As a result, the ground cracked apart in a radial pattern forming a concentric circle with its peak as a datum point, and finally the volcano began to erupt.

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