Baltica in the Cryogenian, 850-630 Ma

V. Pease, J. S. Daly, S. -A. Elming, R. Kumpulainen, A. Moczydlowska, V. Puchkov, D. Roberts, A. Saintot, Randell Stephenson

Research output: Contribution to journalLiterature review

49 Citations (Scopus)

Abstract

This new tectonic synthesis provides a framework for understanding the dynamic evolution of Baltica and for constraining tectonic correlations within the context of the Neoproterozoic break-up of Rodinia-Pannotia. Cryogenian Baltica is described with respect to five geographic regions: the northwest, northeast, east, south, and southwest (modem coordinates). These geographic regions define three principal Cryogenian tectonic margins: a rifting northwestern margin, a passive northeastern margin, and a poorly understood southern margin.

The northwest region is characterized by Neoproterozoic to lower Ordovician sedimentary successions deposited on Archean to late Mesoproterozoic crystalline complexes, reworked during Caledonian orogenesis. Late Neoproterozoic to lower Ordovician sedimentary strata record the change from an alluvial setting to a marine environment, and eventually to a partially starved (?) turbidite basin. They document rifting from the Rodinian-Pannotian supercontinent, which was unsuccessful until ca. 620-550 Ma when voluminous dikes and mafic/ultramafic complexes were intruded.

Baltica's northeastern and eastern regions document episodic intracratonic rifting throughout the Mesoproterozoic, followed by pericontinental passive margin deposition throughout the Cryogenian. In the northeast platformal and deeper-water basin deposits are preserved, whereas the eastern region was later affected by Paleozoic rifting and preserves only shelf deposits. The northeastern and eastern regions define Baltica's Cryogenian northeastern tectonic margin, which was an ocean-facing passive margin of the Rodinia-Pannotia supercontinent. It remained a passive margin until the onset of Timanian orogenesis at ca. 615 Ma, approximately synchronous with the time of Rodinia-Pannotia rifting.

Baltica's southern and southwestern regions remain enigmatic and controversial. Precambrian basement is generally hidden beneath thick successions of Ediacaran and younger platform sediments. Similarities between these regions exist, however, and suggest that they may share a similar tectonic evolution in the Cryogenian and therefore define the southern tectonic margin of Baltica at this time. Paleo- to Mesoproterozic basement was affected by Neoproterozoic and younger tectonism, including Cryogenian (?) and Ediacaran rifting. This was followed by Ediacaran (ca. 550 Ma) passive margin sediment deposition at the time of Rodinia-Pannotia break-up, until Early Paleozoic accretion of allochthonous, terranes record the transition from rifting to a compressional regime.

Paleomagnetic and paleontological data are consistent with Baltica and Laurentia drifting together between ca. 750 and 550 Ma, when they had similar apparent polar wander paths. Microfossil assemblages along the eastern margin of Laurentia and the western margin of Baltica (modern coordinates), suggest proximity between these two margins at this time. At ca. 550 Ma, Laurentia and Baltica separated, consistent with paleomagnetic, paleontological, and geological data, and a late break-up for Rodinia-Pannotia. (c) 2007 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)46-65
Number of pages20
JournalPrecambrian Research
Volume160
Issue number1-2
Early online date16 Jun 2007
DOIs
Publication statusPublished - 5 Jan 2008

Keywords

  • Baltica
  • Rodinia
  • Neoproterozoic
  • orogeny
  • paleogeography
  • East European Craton
  • precaspian basin kazakstan
  • Seve-Kalak superterrane
  • Southern Urals Russia
  • SW Urals
  • Scandinavian Caledonides
  • paleomagnetic data
  • break-up
  • geochronological evidence
  • Norwegian Caledonides
  • Orogeny
  • Paleogeography

Cite this

Pease, V., Daly, J. S., Elming, S. -A., Kumpulainen, R., Moczydlowska, A., Puchkov, V., ... Stephenson, R. (2008). Baltica in the Cryogenian, 850-630 Ma. Precambrian Research, 160(1-2), 46-65. https://doi.org/10.1016/j.precamres.2007.04.015

Baltica in the Cryogenian, 850-630 Ma. / Pease, V.; Daly, J. S.; Elming, S. -A.; Kumpulainen, R.; Moczydlowska, A.; Puchkov, V.; Roberts, D.; Saintot, A.; Stephenson, Randell.

In: Precambrian Research, Vol. 160, No. 1-2, 05.01.2008, p. 46-65.

Research output: Contribution to journalLiterature review

Pease, V, Daly, JS, Elming, S-A, Kumpulainen, R, Moczydlowska, A, Puchkov, V, Roberts, D, Saintot, A & Stephenson, R 2008, 'Baltica in the Cryogenian, 850-630 Ma' Precambrian Research, vol. 160, no. 1-2, pp. 46-65. https://doi.org/10.1016/j.precamres.2007.04.015
Pease V, Daly JS, Elming S-A, Kumpulainen R, Moczydlowska A, Puchkov V et al. Baltica in the Cryogenian, 850-630 Ma. Precambrian Research. 2008 Jan 5;160(1-2):46-65. https://doi.org/10.1016/j.precamres.2007.04.015
Pease, V. ; Daly, J. S. ; Elming, S. -A. ; Kumpulainen, R. ; Moczydlowska, A. ; Puchkov, V. ; Roberts, D. ; Saintot, A. ; Stephenson, Randell. / Baltica in the Cryogenian, 850-630 Ma. In: Precambrian Research. 2008 ; Vol. 160, No. 1-2. pp. 46-65.
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T1 - Baltica in the Cryogenian, 850-630 Ma

AU - Pease, V.

AU - Daly, J. S.

AU - Elming, S. -A.

AU - Kumpulainen, R.

AU - Moczydlowska, A.

AU - Puchkov, V.

AU - Roberts, D.

AU - Saintot, A.

AU - Stephenson, Randell

PY - 2008/1/5

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N2 - This new tectonic synthesis provides a framework for understanding the dynamic evolution of Baltica and for constraining tectonic correlations within the context of the Neoproterozoic break-up of Rodinia-Pannotia. Cryogenian Baltica is described with respect to five geographic regions: the northwest, northeast, east, south, and southwest (modem coordinates). These geographic regions define three principal Cryogenian tectonic margins: a rifting northwestern margin, a passive northeastern margin, and a poorly understood southern margin.The northwest region is characterized by Neoproterozoic to lower Ordovician sedimentary successions deposited on Archean to late Mesoproterozoic crystalline complexes, reworked during Caledonian orogenesis. Late Neoproterozoic to lower Ordovician sedimentary strata record the change from an alluvial setting to a marine environment, and eventually to a partially starved (?) turbidite basin. They document rifting from the Rodinian-Pannotian supercontinent, which was unsuccessful until ca. 620-550 Ma when voluminous dikes and mafic/ultramafic complexes were intruded.Baltica's northeastern and eastern regions document episodic intracratonic rifting throughout the Mesoproterozoic, followed by pericontinental passive margin deposition throughout the Cryogenian. In the northeast platformal and deeper-water basin deposits are preserved, whereas the eastern region was later affected by Paleozoic rifting and preserves only shelf deposits. The northeastern and eastern regions define Baltica's Cryogenian northeastern tectonic margin, which was an ocean-facing passive margin of the Rodinia-Pannotia supercontinent. It remained a passive margin until the onset of Timanian orogenesis at ca. 615 Ma, approximately synchronous with the time of Rodinia-Pannotia rifting.Baltica's southern and southwestern regions remain enigmatic and controversial. Precambrian basement is generally hidden beneath thick successions of Ediacaran and younger platform sediments. Similarities between these regions exist, however, and suggest that they may share a similar tectonic evolution in the Cryogenian and therefore define the southern tectonic margin of Baltica at this time. Paleo- to Mesoproterozic basement was affected by Neoproterozoic and younger tectonism, including Cryogenian (?) and Ediacaran rifting. This was followed by Ediacaran (ca. 550 Ma) passive margin sediment deposition at the time of Rodinia-Pannotia break-up, until Early Paleozoic accretion of allochthonous, terranes record the transition from rifting to a compressional regime.Paleomagnetic and paleontological data are consistent with Baltica and Laurentia drifting together between ca. 750 and 550 Ma, when they had similar apparent polar wander paths. Microfossil assemblages along the eastern margin of Laurentia and the western margin of Baltica (modern coordinates), suggest proximity between these two margins at this time. At ca. 550 Ma, Laurentia and Baltica separated, consistent with paleomagnetic, paleontological, and geological data, and a late break-up for Rodinia-Pannotia. (c) 2007 Elsevier B.V. All rights reserved.

AB - This new tectonic synthesis provides a framework for understanding the dynamic evolution of Baltica and for constraining tectonic correlations within the context of the Neoproterozoic break-up of Rodinia-Pannotia. Cryogenian Baltica is described with respect to five geographic regions: the northwest, northeast, east, south, and southwest (modem coordinates). These geographic regions define three principal Cryogenian tectonic margins: a rifting northwestern margin, a passive northeastern margin, and a poorly understood southern margin.The northwest region is characterized by Neoproterozoic to lower Ordovician sedimentary successions deposited on Archean to late Mesoproterozoic crystalline complexes, reworked during Caledonian orogenesis. Late Neoproterozoic to lower Ordovician sedimentary strata record the change from an alluvial setting to a marine environment, and eventually to a partially starved (?) turbidite basin. They document rifting from the Rodinian-Pannotian supercontinent, which was unsuccessful until ca. 620-550 Ma when voluminous dikes and mafic/ultramafic complexes were intruded.Baltica's northeastern and eastern regions document episodic intracratonic rifting throughout the Mesoproterozoic, followed by pericontinental passive margin deposition throughout the Cryogenian. In the northeast platformal and deeper-water basin deposits are preserved, whereas the eastern region was later affected by Paleozoic rifting and preserves only shelf deposits. The northeastern and eastern regions define Baltica's Cryogenian northeastern tectonic margin, which was an ocean-facing passive margin of the Rodinia-Pannotia supercontinent. It remained a passive margin until the onset of Timanian orogenesis at ca. 615 Ma, approximately synchronous with the time of Rodinia-Pannotia rifting.Baltica's southern and southwestern regions remain enigmatic and controversial. Precambrian basement is generally hidden beneath thick successions of Ediacaran and younger platform sediments. Similarities between these regions exist, however, and suggest that they may share a similar tectonic evolution in the Cryogenian and therefore define the southern tectonic margin of Baltica at this time. Paleo- to Mesoproterozic basement was affected by Neoproterozoic and younger tectonism, including Cryogenian (?) and Ediacaran rifting. This was followed by Ediacaran (ca. 550 Ma) passive margin sediment deposition at the time of Rodinia-Pannotia break-up, until Early Paleozoic accretion of allochthonous, terranes record the transition from rifting to a compressional regime.Paleomagnetic and paleontological data are consistent with Baltica and Laurentia drifting together between ca. 750 and 550 Ma, when they had similar apparent polar wander paths. Microfossil assemblages along the eastern margin of Laurentia and the western margin of Baltica (modern coordinates), suggest proximity between these two margins at this time. At ca. 550 Ma, Laurentia and Baltica separated, consistent with paleomagnetic, paleontological, and geological data, and a late break-up for Rodinia-Pannotia. (c) 2007 Elsevier B.V. All rights reserved.

KW - Baltica

KW - Rodinia

KW - Neoproterozoic

KW - orogeny

KW - paleogeography

KW - East European Craton

KW - precaspian basin kazakstan

KW - Seve-Kalak superterrane

KW - Southern Urals Russia

KW - SW Urals

KW - Scandinavian Caledonides

KW - paleomagnetic data

KW - break-up

KW - geochronological evidence

KW - Norwegian Caledonides

KW - Orogeny

KW - Paleogeography

U2 - 10.1016/j.precamres.2007.04.015

DO - 10.1016/j.precamres.2007.04.015

M3 - Literature review

VL - 160

SP - 46

EP - 65

JO - Precambrian Research

JF - Precambrian Research

SN - 0301-9268

IS - 1-2

ER -