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Maziane-Serraj N, Brück PM, Higgs KT, et al. Ordovician and Silurian acritarch assemblages from the west Leinster and Slievenamon areas of southeast Ireland. Rev Palaeobot Palynol. 2000;113(1):57-71doi: 10.1016/s0034-6667(00)00052-x.
Maziane-Serraj, N., Brück, P. M., Higgs, K. T., & Vanguestaine, M. (2000). Ordovician and Silurian acritarch assemblages from the west Leinster and Slievenamon areas of southeast Ireland. Review of palaeobotany and palynology, 113(1), 57-71. https://doi.org/10.1016/s0034-6667(00)00052-x
Maziane-Serraj, N, et al. "Ordovician and Silurian acritarch assemblages from the west Leinster and Slievenamon areas of southeast Ireland." Review of palaeobotany and palynology vol. 113,1 (2000): 57-71. doi: https://doi.org/10.1016/s0034-6667(00)00052-x
Maziane-Serraj N, Brück PM, Higgs KT, Vanguestaine M. Ordovician and Silurian acritarch assemblages from the west Leinster and Slievenamon areas of southeast Ireland. Rev Palaeobot Palynol. 2000 Dec;113(1):57-71. doi: 10.1016/s0034-6667(00)00052-x. PMID: 11164212.
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Rev Palaeobot Palynol. 2000 Dec;113(1):57-71. doi: 10.1016/s0034-6667(00)00052-x.

Ordovician and Silurian acritarch assemblages from the west Leinster and Slievenamon areas of southeast Ireland.

Review of palaeobotany and palynology

N Maziane-Serraj, P M. Brück, K T. Higgs, M Vanguestaine

Affiliations

  1. Department of Geology, University College Cork, Cork, Ireland

PMID: 11164212 DOI: 10.1016/s0034-6667(00)00052-x

Abstract

The Lower Palaeozoic sequences west of the Leinster Granite and in the Slievenamon Inlier of southeast Ireland have been palynologically re-investigated. Most of the productive samples yielded sufficient identifiable acritarchs for positive stratigraphical age determinations for several of the formations. The samples also include rare cryptospores, scolecodonts and tubular structures. Previous work in the area west of the Leinster Granite proposed an unbroken succession from Early Ordovician Ribband Group turbidites and volcanics passing up conformably to Early Ordovician to Late Silurian Kilcullen Group. The new palynological data clearly show that the Kilcullen Group in this area is entirely Silurian (Llandovery-early Wenlock) in age, also results obtained from the same group at Slievenamon confirm the previously reported Silurian age. Ordovician acritarchs found in the Kilcullen Group of both study areas are reworked and range in age from late Tremadoc to Llanvirn. The new data reveal a major stratigraphic break between the Ribband Group dated as Early and Middle Ordovician and the Silurian Kilcullen Group. This major break extends some hundreds of kms southwest to the Dingle Peninsula and possibly equates with a similar discontinuity in the Isle of Man to the northeast. This break would thus appear to be a major feature within the northwestern Avalonian margin sequence.

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