RT Journal Article
T1 Potential foraminiferal markers for the Visean-Serpukhovian and Serpukhovian-Bashkirian boundaries- A case-study from Central Morocco
A1 Cózar Maldonado, Pedro
A1 Said, Ismail
A1 Somerville, Ian D.
A1 Vachard, Daniel
A1 Medina Varea, Paula
A1 Rodríguez García, Sergio
A1 Berkhli, Mostafa
AB Potential foraminiferal markers for the Visean-Serpukhovian and Serpukhovian-Bashkirian boundaries- A case-study from Central MoroccoThe Carboniferous succession in Adarouch (Central Morocco, north of the Atlas Transform Fault) contains thick carbonate beds including upper Visean, Serpukhovian and basal Bashkirian rocks. Foraminifers enable precise recognition of the Visean/Serpukhovian (V/S), early/late Serpukhovian (eS/lS) and Serpukhovian/Bashkirian (S/B) boundaries. Insolentitheca horrida, Loeblichia ukrainica, "Millerella" spp. and Endostaffella? sp. 2 are regarded as regionally useful indices to the V/S boundary, whereas Eostaffellina spp., Eostaffella  pseudostruvei and some evolved species of Archaediscus exhibit greater reliability for worldwide correlation of this level. Similarly, the eS/lS boundary is marked locally by Brenckleina rugosa, Eosigmoilina sp., and Monotaxinoides spp. and globally by Loeblichia minima, Bradyina cribrostomata, Plectostaffella spp., Eostaffellina "protvae" and "Turrispiroides", and the S/B boundary is marked locally by Globivalulina bulloides and globally by Seminovella elegantula, and Novella?. Ocurrences of these taxa in Morocco allow correlations with the Moscow Basin, the Urals, the Donetz Basin and North America. The Moroccan assemblages share few taxa in common with Saharan basins south of the Atlas Transform Fault. Correlations with western European basins are difficult because of the paucity in the latter of foraminiferal-bearing carbonate strata.
PB The Paleontological Society.
SN 0022-3360
YR 2011
FD 2011-11
LK https://hdl.handle.net/20.500.14352/43493
UL https://hdl.handle.net/20.500.14352/43493
LA eng
NO Accepted 11 May 2011.Copyright © The Paleontological Society.
NO Spanish Ministry of Research and Innovation
NO Spanish Ministry of Research and Innovation
DS Docta Complutense
RD 9 abr 2025