Late Devonian magmatism in the Pripyat Palaeorift: a geodynamic model

Authors

  • Roman Y. Aizberg Institute of Geological Sciences, National Academy of Sciences of Belarus, Kuprevich 7, 220141 Minsk,
  • Valery N. Beskopylny Industrial Association “Belorusneft”, Rogachev 9, 246003 Gomel
  • Tatiana A. Starchik Institute of Geological Sciences, National Academy of Sciences of Belarus, Kuprevich 7, 220141 Minsk
  • Tamara K. Tsekoyeva Industrial Association “Belorusneft”, Rogachev 9, 246003 Gomel

Keywords:

Pripyat Palaeorift, Devonian, ultrabasic-alkaline magmatism, geodynamics, palaeovolcanoes, diatremes

Abstract

Late Devonian magmatism in the Pripyat Trough, Belarus was associated with the development of the intraplate Pripyat-Donets Palaeorift. Magmatic rocks belong to an alkali-ultrabasic–alkali-basaltoid suite. These are represented by explosive, effusive, subvolcanic and volcanic facies. The magmatic activity and rock composition changes from the periphery to the axial part of the Pripyat Trough, corresponding to the general trend of destructive processes in the rifting zone. Geodynamically, the Pripyat alkali-ultrabasic rocks represent a series of magmatic suites of the Pripyat-Donets palaeovolcanic region coinciding with a zone of disappearance of Late Devonian divergence processes in the south-west of the East European Craton. 

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Published

2012-11-22

Issue

Vol. 45 No. 4 (2001)

Section

Articles

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