Baker, S. J. (1981) The graptolite biostratigraphy of a Llandovery outlier near Llanystumdwy, Gwynedd, North Wales. Geological Magazine, 118 (4) 355-365 doi:10.1017/s0016756800032222
Reference Type | Journal (article/letter/editorial) | ||
---|---|---|---|
Title | The graptolite biostratigraphy of a Llandovery outlier near Llanystumdwy, Gwynedd, North Wales | ||
Journal | Geological Magazine | ||
Authors | Baker, S. J. | Author | |
Year | 1981 (July) | Volume | 118 |
Issue | 4 | ||
Publisher | Cambridge University Press (CUP) | ||
DOI | doi:10.1017/s0016756800032222Search in ResearchGate | ||
Generate Citation Formats | |||
Mindat Ref. ID | 251946 | Long-form Identifier | mindat:1:5:251946:7 |
GUID | 0 | ||
Full Reference | Baker, S. J. (1981) The graptolite biostratigraphy of a Llandovery outlier near Llanystumdwy, Gwynedd, North Wales. Geological Magazine, 118 (4) 355-365 doi:10.1017/s0016756800032222 | ||
Plain Text | Baker, S. J. (1981) The graptolite biostratigraphy of a Llandovery outlier near Llanystumdwy, Gwynedd, North Wales. Geological Magazine, 118 (4) 355-365 doi:10.1017/s0016756800032222 | ||
In | (1981, July) Geological Magazine Vol. 118 (4) Cambridge University Press (CUP) | ||
Abstract/Notes | SummaryLlandovery strata at Llanystumdwy are described. Ninety graptolite species have been identified enabling the establishment of the following zones: acinaces, cyphus, triangulatus, magnus, leptotheca, convolutus, ?sedgwickii, turriculatus and crispus. The name Llanystumdwy Mudstone Formation is proposed for previously undescribed mudstones cropping out on the River Dwyfor at Llanystumdwy and includes all strata referable to the acinaces to turriculatus zones. Comparison is made between Llanystumdwy and other areas, notably Northern England and Southern Scotland |
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