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Springer Verlag, Geochronometria, 1(38), p. 72-76, 2011

DOI: 10.2478/s13386-011-0001-1

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230Th/U chronology of ore formation within the semyenov hydrothermal district (13°31′ N) at the Mid-Atlantic ridge

Journal article published in 2011 by V. Kuznetsov, F. Maksimov ORCID, A. Zheleznov ORCID, G. Cherkashov ORCID, V. Bel’Tenev, L. Lazareva
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Abstract A radiochemical study was carried out on massive sulfides from Semyenov hydrothermal district at the Mid-Atlantic Ridge. New and published results provide evidence that 230Th/U ages obtained for massive sulfides are reliable. The sulfide deposits from the West, North-West, North-East, and East hydrothermal sites at the Semyenov hydrothermal district were formed between ∼124 ka and ∼37 ka ago. The hydrothermal activity might have started in the eastern part of the district and moved to the west by episodic ore formation.