Formation Age Data of the Trachyte Explosive Tube in Middle Timan as a Reflection of the Final Activation of Interplate Alkaline Potassium Magmatism

I. I. Golubeva, A. V. Travin, I. N. Burtsev

Abstract


The 40Ar/39Ar method determined the age of sanidine from high-potassium trachyte fragments of pipe fluid-explosive breccia. Fluid-explosive breccia breaks through the basalts of the Early Devonian Kanino-Timan complex. The established age of sanidine is 369.7±4.0 million years. Trachytic magmatism is the final stage of the formation of an alkaline igneous province of potassium specialization in Middle Timan.

References


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DOI: http://dx.doi.org/10.17072/psu.geol.23.3.201

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