Udachnaya pipe

Udatschnaja (Russian Удачная ) is the name of a Kimberlitschlotes, that is a diamond deposit in Udatschny, in the northwest of the Autonomous Republic of Sakha ( Yakutia) in Russia. The few kilometers south of the Arctic circle vent was discovered in 1955 by Vladimir Shchukin and represents the largest diamond deposits in Russia

The occurrence is in strip-mining operation since 1982. With a depth of 530 m the Udatschnaja Pit is one of the deepest open pit mines in the world.

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