On the age and correlation of the St. Erth Beds, S.W. England, based on planktonic foraminifera
The paper illustrates and describes 15 species of planktonic foraminifera from the St. Erth Beds, Cornwall, S.W. England. The overlap of the stratigraphic ranges of Globorotalia inflata (d’Orbigny), G. praehirsuta Blow, G. tosaensis Takayanagi & Saito, Pulleniatina primalis Banner & Blow, Ne...
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Online Access: | https://doi.org/10.1144/jm.5.2.93 https://jm.copernicus.org/articles/5/25/1986/ |
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ftcopernicus:oai:publications.copernicus.org:jm65124 2023-05-15T18:00:27+02:00 On the age and correlation of the St. Erth Beds, S.W. England, based on planktonic foraminifera Jenkins, D. Graham Whittaker, John E. Carlton, R. 2018-09-28 application/pdf https://doi.org/10.1144/jm.5.2.93 https://jm.copernicus.org/articles/5/25/1986/ eng eng doi:10.1144/jm.5.2.93 https://jm.copernicus.org/articles/5/25/1986/ eISSN: 2041-4978 Text 2018 ftcopernicus https://doi.org/10.1144/jm.5.2.93 2020-07-20T16:28:23Z The paper illustrates and describes 15 species of planktonic foraminifera from the St. Erth Beds, Cornwall, S.W. England. The overlap of the stratigraphic ranges of Globorotalia inflata (d’Orbigny), G. praehirsuta Blow, G. tosaensis Takayanagi & Saito, Pulleniatina primalis Banner & Blow, Neogloboquadrina humerosa (Takayanagi & Saito) and dextrally coiled N. pachyderma (Ehrenberg) places the age of the fauna in the Globorotalia inflata Zone, Late Pliocene. The absence of Globorotalia puncticulata (Deshayes), G. truncatulinoides (d’Orbigny) and Neogloboquadrina atlantica (Berggren) confirms this age assignment and with the presence of G. inflata (d’Orbigny), the deposition of St. Erth beds can now be accurately placed at between 2.1 and 1.9 Ma. For this paper, it has been acceped that the Pliocene-Pleistocene boundary is marked by the first evolutionary appearance of G. truncatulinoides at about 1.9 Ma. Text Planktonic foraminifera Copernicus Publications: E-Journals Cornwall ENVELOPE(-59.688,-59.688,-62.366,-62.366) Journal of Micropalaeontology 5 2 93 105 |
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Open Polar |
collection |
Copernicus Publications: E-Journals |
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ftcopernicus |
language |
English |
description |
The paper illustrates and describes 15 species of planktonic foraminifera from the St. Erth Beds, Cornwall, S.W. England. The overlap of the stratigraphic ranges of Globorotalia inflata (d’Orbigny), G. praehirsuta Blow, G. tosaensis Takayanagi & Saito, Pulleniatina primalis Banner & Blow, Neogloboquadrina humerosa (Takayanagi & Saito) and dextrally coiled N. pachyderma (Ehrenberg) places the age of the fauna in the Globorotalia inflata Zone, Late Pliocene. The absence of Globorotalia puncticulata (Deshayes), G. truncatulinoides (d’Orbigny) and Neogloboquadrina atlantica (Berggren) confirms this age assignment and with the presence of G. inflata (d’Orbigny), the deposition of St. Erth beds can now be accurately placed at between 2.1 and 1.9 Ma. For this paper, it has been acceped that the Pliocene-Pleistocene boundary is marked by the first evolutionary appearance of G. truncatulinoides at about 1.9 Ma. |
format |
Text |
author |
Jenkins, D. Graham Whittaker, John E. Carlton, R. |
spellingShingle |
Jenkins, D. Graham Whittaker, John E. Carlton, R. On the age and correlation of the St. Erth Beds, S.W. England, based on planktonic foraminifera |
author_facet |
Jenkins, D. Graham Whittaker, John E. Carlton, R. |
author_sort |
Jenkins, D. Graham |
title |
On the age and correlation of the St. Erth Beds, S.W. England, based on planktonic foraminifera |
title_short |
On the age and correlation of the St. Erth Beds, S.W. England, based on planktonic foraminifera |
title_full |
On the age and correlation of the St. Erth Beds, S.W. England, based on planktonic foraminifera |
title_fullStr |
On the age and correlation of the St. Erth Beds, S.W. England, based on planktonic foraminifera |
title_full_unstemmed |
On the age and correlation of the St. Erth Beds, S.W. England, based on planktonic foraminifera |
title_sort |
on the age and correlation of the st. erth beds, s.w. england, based on planktonic foraminifera |
publishDate |
2018 |
url |
https://doi.org/10.1144/jm.5.2.93 https://jm.copernicus.org/articles/5/25/1986/ |
long_lat |
ENVELOPE(-59.688,-59.688,-62.366,-62.366) |
geographic |
Cornwall |
geographic_facet |
Cornwall |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_source |
eISSN: 2041-4978 |
op_relation |
doi:10.1144/jm.5.2.93 https://jm.copernicus.org/articles/5/25/1986/ |
op_doi |
https://doi.org/10.1144/jm.5.2.93 |
container_title |
Journal of Micropalaeontology |
container_volume |
5 |
container_issue |
2 |
container_start_page |
93 |
op_container_end_page |
105 |
_version_ |
1766169546641637376 |