New late Paleozoic paleopoles from the Donbas Foldbelt (Ukraine)

Implications for the Pangea A vs. B controversy

Maud J. M. Meijers, Maartje F. Hamers, Douwe J. J. van Hinsbergen, Douwe G. van der Meer, Alexander Kitchka, Cor G. Langereis, Randell Stephenson

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The Carboniferous to early Permian apparent polar wander (APW) path for Eurasia is not well constrained, because of the paucity of reliable paleomagnetic poles. This is at least partly responsible for the Pangea A vs. B controversy in the early Permian: is the overlap between the northern and southern continents during the early Permian caused by a lack of reliable paleomagnetic data (Pangea A) or must a large displacement along a mega-shear zone be invoked (Pangea B)? Here, we present results from six paleomagnetic sampling sites ranging in age from the early Carboniferous to the early Permian from sedimentary rocks in the Donbas Foldbelt (Ukraine) to improve the Carboniferous early Permian APW path for Eurasia and to contribute to solving the Pangea A vs. B controversy. Six time intervals were sampled in the Donbas Foldbelt (eastern Ukraine), which was filled with sediments and volcanic units during the late Devonian to Permian syn- and post-rift subsidence phases. We present results from sediments that were corrected for inclination shallowing with the elongation/inclination (E/I) method. We conclude that there is a general northward movement of the Donbas Foldbelt: the resulting paleolatitudes are slightly but generally significantly higher than expected from existing APW paths. The late Carboniferous to early Permian data provide three new reliable paleopoles for Eurasia. The early Permian pole does not necessarily require a Pangea B reconstruction. It results in higher paleolatitudes for Laurussia in the early Permian and removes the overlap between Gondwana and Pangea. We also reconstructed the position of Laurussia based on Carboniferous Laurentian poles recently corrected for inclination shallowing, which clearly favours a Pangea B configuration. It seems that the Pangea A vs. B debate is as lively as before. The three early Carboniferous paleopoles give reliable paleolatitudes, but declinations significantly deviate from the expected directions. We argue that the southernmost part of the Donbas Foldbelt underwent a counterclockwise rotation, related to Mesozoic compressional events that are recognised in paleostress analyses. (C) 2010 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)18-33
Number of pages16
JournalEarth and Planetary Science Letters
Volume297
Issue number1-2
DOIs
Publication statusPublished - 15 Aug 2010

Keywords

  • paleomagnetism
  • plate reconstructions
  • Pangea
  • Eurasia
  • inclination shallowing
  • Paleozoic
  • Dniepr-Donets Basin
  • paleomagnetic inclination error
  • magnetic-anisotropy
  • North-America
  • Southern Alps
  • shallow bias
  • marine marls
  • rocks
  • evolution
  • ocean

Cite this

Meijers, M. J. M., Hamers, M. F., van Hinsbergen, D. J. J., van der Meer, D. G., Kitchka, A., Langereis, C. G., & Stephenson, R. (2010). New late Paleozoic paleopoles from the Donbas Foldbelt (Ukraine): Implications for the Pangea A vs. B controversy. Earth and Planetary Science Letters, 297(1-2), 18-33. https://doi.org/10.1016/j.epsl.2010.05.028

New late Paleozoic paleopoles from the Donbas Foldbelt (Ukraine) : Implications for the Pangea A vs. B controversy. / Meijers, Maud J. M.; Hamers, Maartje F.; van Hinsbergen, Douwe J. J.; van der Meer, Douwe G.; Kitchka, Alexander; Langereis, Cor G.; Stephenson, Randell.

In: Earth and Planetary Science Letters, Vol. 297, No. 1-2, 15.08.2010, p. 18-33.

Research output: Contribution to journalArticle

Meijers, Maud J. M. ; Hamers, Maartje F. ; van Hinsbergen, Douwe J. J. ; van der Meer, Douwe G. ; Kitchka, Alexander ; Langereis, Cor G. ; Stephenson, Randell. / New late Paleozoic paleopoles from the Donbas Foldbelt (Ukraine) : Implications for the Pangea A vs. B controversy. In: Earth and Planetary Science Letters. 2010 ; Vol. 297, No. 1-2. pp. 18-33.
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T2 - Implications for the Pangea A vs. B controversy

AU - Meijers, Maud J. M.

AU - Hamers, Maartje F.

AU - van Hinsbergen, Douwe J. J.

AU - van der Meer, Douwe G.

AU - Kitchka, Alexander

AU - Langereis, Cor G.

AU - Stephenson, Randell

PY - 2010/8/15

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N2 - The Carboniferous to early Permian apparent polar wander (APW) path for Eurasia is not well constrained, because of the paucity of reliable paleomagnetic poles. This is at least partly responsible for the Pangea A vs. B controversy in the early Permian: is the overlap between the northern and southern continents during the early Permian caused by a lack of reliable paleomagnetic data (Pangea A) or must a large displacement along a mega-shear zone be invoked (Pangea B)? Here, we present results from six paleomagnetic sampling sites ranging in age from the early Carboniferous to the early Permian from sedimentary rocks in the Donbas Foldbelt (Ukraine) to improve the Carboniferous early Permian APW path for Eurasia and to contribute to solving the Pangea A vs. B controversy. Six time intervals were sampled in the Donbas Foldbelt (eastern Ukraine), which was filled with sediments and volcanic units during the late Devonian to Permian syn- and post-rift subsidence phases. We present results from sediments that were corrected for inclination shallowing with the elongation/inclination (E/I) method. We conclude that there is a general northward movement of the Donbas Foldbelt: the resulting paleolatitudes are slightly but generally significantly higher than expected from existing APW paths. The late Carboniferous to early Permian data provide three new reliable paleopoles for Eurasia. The early Permian pole does not necessarily require a Pangea B reconstruction. It results in higher paleolatitudes for Laurussia in the early Permian and removes the overlap between Gondwana and Pangea. We also reconstructed the position of Laurussia based on Carboniferous Laurentian poles recently corrected for inclination shallowing, which clearly favours a Pangea B configuration. It seems that the Pangea A vs. B debate is as lively as before. The three early Carboniferous paleopoles give reliable paleolatitudes, but declinations significantly deviate from the expected directions. We argue that the southernmost part of the Donbas Foldbelt underwent a counterclockwise rotation, related to Mesozoic compressional events that are recognised in paleostress analyses. (C) 2010 Elsevier B.V. All rights reserved.

AB - The Carboniferous to early Permian apparent polar wander (APW) path for Eurasia is not well constrained, because of the paucity of reliable paleomagnetic poles. This is at least partly responsible for the Pangea A vs. B controversy in the early Permian: is the overlap between the northern and southern continents during the early Permian caused by a lack of reliable paleomagnetic data (Pangea A) or must a large displacement along a mega-shear zone be invoked (Pangea B)? Here, we present results from six paleomagnetic sampling sites ranging in age from the early Carboniferous to the early Permian from sedimentary rocks in the Donbas Foldbelt (Ukraine) to improve the Carboniferous early Permian APW path for Eurasia and to contribute to solving the Pangea A vs. B controversy. Six time intervals were sampled in the Donbas Foldbelt (eastern Ukraine), which was filled with sediments and volcanic units during the late Devonian to Permian syn- and post-rift subsidence phases. We present results from sediments that were corrected for inclination shallowing with the elongation/inclination (E/I) method. We conclude that there is a general northward movement of the Donbas Foldbelt: the resulting paleolatitudes are slightly but generally significantly higher than expected from existing APW paths. The late Carboniferous to early Permian data provide three new reliable paleopoles for Eurasia. The early Permian pole does not necessarily require a Pangea B reconstruction. It results in higher paleolatitudes for Laurussia in the early Permian and removes the overlap between Gondwana and Pangea. We also reconstructed the position of Laurussia based on Carboniferous Laurentian poles recently corrected for inclination shallowing, which clearly favours a Pangea B configuration. It seems that the Pangea A vs. B debate is as lively as before. The three early Carboniferous paleopoles give reliable paleolatitudes, but declinations significantly deviate from the expected directions. We argue that the southernmost part of the Donbas Foldbelt underwent a counterclockwise rotation, related to Mesozoic compressional events that are recognised in paleostress analyses. (C) 2010 Elsevier B.V. All rights reserved.

KW - paleomagnetism

KW - plate reconstructions

KW - Pangea

KW - Eurasia

KW - inclination shallowing

KW - Paleozoic

KW - Dniepr-Donets Basin

KW - paleomagnetic inclination error

KW - magnetic-anisotropy

KW - North-America

KW - Southern Alps

KW - shallow bias

KW - marine marls

KW - rocks

KW - evolution

KW - ocean

U2 - 10.1016/j.epsl.2010.05.028

DO - 10.1016/j.epsl.2010.05.028

M3 - Article

VL - 297

SP - 18

EP - 33

JO - Earth and Planetary Science Letters

JF - Earth and Planetary Science Letters

SN - 0012-821X

IS - 1-2

ER -