Abstract
The results of the 40 Ar / 39 Ar dating of the vein material of pseudotachylite from the deformation zone of the Main Anabar fault (Northern Yakutia) are presented. The depth of formation of pseudotachyllites is reconstructed using the principles of thermochronology and rheological parameters of deformation. Their 40 Ar / 39 Ar age (1910 ± 24 Ma) is compared with the stages of formation of the main deformation belts of the Anabar Shield. A thermochronological interpretation of the results obtained is given. A method for estimating the depth of deformations and the magnitude of differential stresses is proposed.
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Schedule a callMore From: Proceedings of the Karelian Research Centre of the Russian Academy of Sciences
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