Okhotsk-Chukotka Volcanic Belt

The Okhotsk-Chukotka Volcanic Belt (OCVB) is a Cretaceous volcanic belt in northeastern Eurasia. It is one of the largest subduction-zone related volcanic provinces in the world, stretching some 3200 km and comprising about 2 million km³ of volcanic and plutonic material. The volcanism within the volcanic belt was related to the subduction of the ancient Kula Plate, which moved in a northward direction about 55 million years ago.

References

New 40Ar/39Ar ages of Cretaceous continental volcanics from central Chukotka: implications for initiation and duration of volcanism within northern part of the Okhotsk Chukotka Volcanic Belt (northeastern Eurasia), by V. O. Ispolatov, P. L. Tikhomirov, M. Heizler, and I. Yu. Cherepanova.

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