The Gondwana–Laurussia convergence process: Evidence from the Middle Mississippian (Viséan) palynostratigraphic record

Gonzalez, Felipe, Moreno, Carmen and Playford, Geoffrey (2011) The Gondwana–Laurussia convergence process: Evidence from the Middle Mississippian (Viséan) palynostratigraphic record. Geological Magazine, 148 2: 317-328. doi:10.1017/S0016756810000713


Author Gonzalez, Felipe
Moreno, Carmen
Playford, Geoffrey
Title The Gondwana–Laurussia convergence process: Evidence from the Middle Mississippian (Viséan) palynostratigraphic record
Journal name Geological Magazine   Check publisher's open access policy
ISSN 0016-7568
1469-5081
Publication date 2011-03
Year available 2010
Sub-type Article (original research)
DOI 10.1017/S0016756810000713
Volume 148
Issue 2
Start page 317
End page 328
Total pages 12
Place of publication Cambridge, United Kingdom
Publisher Cambridge University Press
Collection year 2012
Language eng
Abstract The Gondwana–Laurussia convergence process can be explored by studying the Middle Mississippian (Viséan) palynoflora of northwest Africa. Statistical analysis of the Viséan miospore assemblages reported from Morocco defines two populations, one with clear Laurussian affinity from the northern margin of the Western Meseta, and the other, more Gondwanan in composition, from the southern part of the Western Meseta and Anti-Atlas. Moreover, no transitional assemblages have been described from the region. These palynofloral variations are a consequence of the complex palaeogeography of the northwest African margin, which was controlled by the Variscan Orogeny during Viséan times. Taking into consideration the palynofloral affinity of the miospore assemblages reported throughout the entire North African margin and the Middle East, it is possible to envisage a Late Carboniferous Pangaea amalgamation process initially evolving from the west, while in the east the ocean separating Gondwana and Laurussia persisted as an effective barrier to floral migration.
Keyword Viséan palaeogeography
Palynomorphs
Morocco
Gondwana
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online: September 2010

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Earth Sciences Publications
Official 2012 Collection
 
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Created: Mon, 27 Feb 2012, 16:39:16 EST by Ashleigh Paroz on behalf of School of Earth Sciences