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Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England
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Zeitschriftentitel: | Journal of Micropalaeontology |
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Personen und Körperschaften: | , |
In: | Journal of Micropalaeontology, 11, 1992, 1, S. 21-30 |
Format: | E-Article |
Sprache: | Englisch |
veröffentlicht: |
Copernicus GmbH
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Schlagwörter: |
author_facet |
Simmons, M. D. Williams, C. L. Simmons, M. D. Williams, C. L. |
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author |
Simmons, M. D. Williams, C. L. |
spellingShingle |
Simmons, M. D. Williams, C. L. Journal of Micropalaeontology Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England Paleontology |
author_sort |
simmons, m. d. |
spelling |
Simmons, M. D. Williams, C. L. 2041-4978 Copernicus GmbH Paleontology http://dx.doi.org/10.1144/jm.11.1.21 <jats:p>Abstract. The occurrence of orbitolinids in onshore and offshore South-West England is fully documented for the first time. Palorbitolina lenticularis is known from the Early Aptian — Late Barremian sediments of the offshore Fastnet Basin, and may also occur in the Aptian Farringdon Greensand. Late Albian Orbitolina sefini occurs in the Wolborough Limestone of Devon, whilst at Haldon, Devon, the orbitoline faunas are of Early Cenomanian age and referable to Orbitolina cf. concava. The orbitolinids from the Upper Greensand of the south-east Devon coast and the Fastnet Basin cannot be precisely identified, but belong to the Late Albian — Early Cenomanian O. sefini - O. concava plexus. Previous records of Orbitolina from the Upper Greensand at Wilmington are shown to be mistaken. These records are in fact referable to the sponge Porosphaera. The precise identification of some of the orbitolinids from South-West England supports the ages of the Wolborough Limestone and Haldon Sands suggested by Hamblin &amp; Wood (1976). It is thought that orbitolinids migrated from Iberia to South-West England via the South-West Approaches during the Late Albian.</jats:p> Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England Journal of Micropalaeontology |
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title |
Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
title_unstemmed |
Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
title_full |
Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
title_fullStr |
Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
title_full_unstemmed |
Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
title_short |
Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
title_sort |
cretaceous orbitolinidae (foraminifera) from onshore and offshore south-west england |
topic |
Paleontology |
url |
http://dx.doi.org/10.1144/jm.11.1.21 |
publishDate |
1992 |
physical |
21-30 |
description |
<jats:p>Abstract. The occurrence of orbitolinids in onshore and offshore South-West England is fully documented for the first time. Palorbitolina lenticularis is known from the Early Aptian — Late Barremian sediments of the offshore Fastnet Basin, and may also occur in the Aptian Farringdon Greensand. Late Albian Orbitolina sefini occurs in the Wolborough Limestone of Devon, whilst at Haldon, Devon, the orbitoline faunas are of Early Cenomanian age and referable to Orbitolina cf. concava. The orbitolinids from the Upper Greensand of the south-east Devon coast and the Fastnet Basin cannot be precisely identified, but belong to the Late Albian — Early Cenomanian O. sefini - O. concava plexus. Previous records of Orbitolina from the Upper Greensand at Wilmington are shown to be mistaken. These records are in fact referable to the sponge Porosphaera. The precise identification of some of the orbitolinids from South-West England supports the ages of the Wolborough Limestone and Haldon Sands suggested by Hamblin &amp; Wood (1976). It is thought that orbitolinids migrated from Iberia to South-West England via the South-West Approaches during the Late Albian.</jats:p> |
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author | Simmons, M. D., Williams, C. L. |
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description | <jats:p>Abstract. The occurrence of orbitolinids in onshore and offshore South-West England is fully documented for the first time. Palorbitolina lenticularis is known from the Early Aptian — Late Barremian sediments of the offshore Fastnet Basin, and may also occur in the Aptian Farringdon Greensand. Late Albian Orbitolina sefini occurs in the Wolborough Limestone of Devon, whilst at Haldon, Devon, the orbitoline faunas are of Early Cenomanian age and referable to Orbitolina cf. concava. The orbitolinids from the Upper Greensand of the south-east Devon coast and the Fastnet Basin cannot be precisely identified, but belong to the Late Albian — Early Cenomanian O. sefini - O. concava plexus. Previous records of Orbitolina from the Upper Greensand at Wilmington are shown to be mistaken. These records are in fact referable to the sponge Porosphaera. The precise identification of some of the orbitolinids from South-West England supports the ages of the Wolborough Limestone and Haldon Sands suggested by Hamblin &amp; Wood (1976). It is thought that orbitolinids migrated from Iberia to South-West England via the South-West Approaches during the Late Albian.</jats:p> |
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spelling | Simmons, M. D. Williams, C. L. 2041-4978 Copernicus GmbH Paleontology http://dx.doi.org/10.1144/jm.11.1.21 <jats:p>Abstract. The occurrence of orbitolinids in onshore and offshore South-West England is fully documented for the first time. Palorbitolina lenticularis is known from the Early Aptian — Late Barremian sediments of the offshore Fastnet Basin, and may also occur in the Aptian Farringdon Greensand. Late Albian Orbitolina sefini occurs in the Wolborough Limestone of Devon, whilst at Haldon, Devon, the orbitoline faunas are of Early Cenomanian age and referable to Orbitolina cf. concava. The orbitolinids from the Upper Greensand of the south-east Devon coast and the Fastnet Basin cannot be precisely identified, but belong to the Late Albian — Early Cenomanian O. sefini - O. concava plexus. Previous records of Orbitolina from the Upper Greensand at Wilmington are shown to be mistaken. These records are in fact referable to the sponge Porosphaera. The precise identification of some of the orbitolinids from South-West England supports the ages of the Wolborough Limestone and Haldon Sands suggested by Hamblin &amp; Wood (1976). It is thought that orbitolinids migrated from Iberia to South-West England via the South-West Approaches during the Late Albian.</jats:p> Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England Journal of Micropalaeontology |
spellingShingle | Simmons, M. D., Williams, C. L., Journal of Micropalaeontology, Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England, Paleontology |
title | Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
title_full | Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
title_fullStr | Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
title_full_unstemmed | Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
title_short | Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
title_sort | cretaceous orbitolinidae (foraminifera) from onshore and offshore south-west england |
title_unstemmed | Cretaceous Orbitolinidae (Foraminifera) from Onshore and Offshore South-West England |
topic | Paleontology |
url | http://dx.doi.org/10.1144/jm.11.1.21 |