Planktonic foraminifera in the Maastrichtian of Hor-Hahar, supplement to: Abramovich, Sigal; Yovel-Corem, Shlomit; Almogi-Labin, Ahuva; Benjamini, Chaim (2010): Global climate change and planktic foraminiferal response in the Maastrichtian. Paleoceanography, 25(2), PA2201
The lengthy warm, stable climate of the Cretaceous terminated in the Campanian with a cooling trend, interrupted in the early and latest Maastrichtian by two events of global warming, at ~70-68 Ma and at 65.78-65.57 Ma. These climatic oscillations had a profound effect on pelagic ecosystems, especia...
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ftdatacite:10.1594/pangaea.831534 2023-05-15T18:01:05+02:00 Planktonic foraminifera in the Maastrichtian of Hor-Hahar, supplement to: Abramovich, Sigal; Yovel-Corem, Shlomit; Almogi-Labin, Ahuva; Benjamini, Chaim (2010): Global climate change and planktic foraminiferal response in the Maastrichtian. Paleoceanography, 25(2), PA2201 Abramovich, Sigal Yovel-Corem, Shlomit Almogi-Labin, Ahuva Benjamini, Chaim 2010 application/zip https://dx.doi.org/10.1594/pangaea.831534 https://doi.pangaea.de/10.1594/PANGAEA.831534 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://dx.doi.org/10.1029/2009pa001843 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY Outcrop sample article Supplementary Collection of Datasets Collection 2010 ftdatacite https://doi.org/10.1594/pangaea.831534 https://doi.org/10.1029/2009pa001843 2022-02-09T13:17:41Z The lengthy warm, stable climate of the Cretaceous terminated in the Campanian with a cooling trend, interrupted in the early and latest Maastrichtian by two events of global warming, at ~70-68 Ma and at 65.78-65.57 Ma. These climatic oscillations had a profound effect on pelagic ecosystems, especially on planktic foraminiferal populations. Here we compare biotic responses in the tropical-subtropical (Tethyan) open ocean and mesotrophic (Zin Valley, Israel) and oligotrophic (Tunisia) slopes, which correlate directly with global warming and cooling. The two warming events coincide with blooms of Guembelitria, an extreme opportunist genus best known as the main survivor of the Cretaceous-Paleogene (K-Pg) catastrophe. In the Maastrichtian, Guembelitria bloomed in the uppermost surface water above shelf and slope environments but failed to reach the open ocean as it did at K-Pg. The coldest interval of the late Maastrichtian (~68-65.78 Ma) is marked by an acme of the otherwise rare species Gansserina gansseri, a deep-dwelling keeled globotruncanid. The G. gansseri acme event can be traced from the deep ocean even onto the Tethyan slope, marking copious production and circulation of cold intermediate water. This acme is abruptly terminated by extinction of the species, a dramatic reversal attributed to a short-term global warming episode. This extinction corresponds precisely with the second bloom of Guembelitria that began ~300 kyr prior to the K-Pg event. The antithetical relationship between blooming of Guembelitria and the G. gansseri acme reflects planktic foraminiferal sensitivity to warm-cool-warm-cool climatic oscillations marking the end of the Cretaceous. Article in Journal/Newspaper Planktonic foraminifera DataCite Metadata Store (German National Library of Science and Technology) |
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DataCite Metadata Store (German National Library of Science and Technology) |
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ftdatacite |
language |
English |
topic |
Outcrop sample |
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Outcrop sample Abramovich, Sigal Yovel-Corem, Shlomit Almogi-Labin, Ahuva Benjamini, Chaim Planktonic foraminifera in the Maastrichtian of Hor-Hahar, supplement to: Abramovich, Sigal; Yovel-Corem, Shlomit; Almogi-Labin, Ahuva; Benjamini, Chaim (2010): Global climate change and planktic foraminiferal response in the Maastrichtian. Paleoceanography, 25(2), PA2201 |
topic_facet |
Outcrop sample |
description |
The lengthy warm, stable climate of the Cretaceous terminated in the Campanian with a cooling trend, interrupted in the early and latest Maastrichtian by two events of global warming, at ~70-68 Ma and at 65.78-65.57 Ma. These climatic oscillations had a profound effect on pelagic ecosystems, especially on planktic foraminiferal populations. Here we compare biotic responses in the tropical-subtropical (Tethyan) open ocean and mesotrophic (Zin Valley, Israel) and oligotrophic (Tunisia) slopes, which correlate directly with global warming and cooling. The two warming events coincide with blooms of Guembelitria, an extreme opportunist genus best known as the main survivor of the Cretaceous-Paleogene (K-Pg) catastrophe. In the Maastrichtian, Guembelitria bloomed in the uppermost surface water above shelf and slope environments but failed to reach the open ocean as it did at K-Pg. The coldest interval of the late Maastrichtian (~68-65.78 Ma) is marked by an acme of the otherwise rare species Gansserina gansseri, a deep-dwelling keeled globotruncanid. The G. gansseri acme event can be traced from the deep ocean even onto the Tethyan slope, marking copious production and circulation of cold intermediate water. This acme is abruptly terminated by extinction of the species, a dramatic reversal attributed to a short-term global warming episode. This extinction corresponds precisely with the second bloom of Guembelitria that began ~300 kyr prior to the K-Pg event. The antithetical relationship between blooming of Guembelitria and the G. gansseri acme reflects planktic foraminiferal sensitivity to warm-cool-warm-cool climatic oscillations marking the end of the Cretaceous. |
format |
Article in Journal/Newspaper |
author |
Abramovich, Sigal Yovel-Corem, Shlomit Almogi-Labin, Ahuva Benjamini, Chaim |
author_facet |
Abramovich, Sigal Yovel-Corem, Shlomit Almogi-Labin, Ahuva Benjamini, Chaim |
author_sort |
Abramovich, Sigal |
title |
Planktonic foraminifera in the Maastrichtian of Hor-Hahar, supplement to: Abramovich, Sigal; Yovel-Corem, Shlomit; Almogi-Labin, Ahuva; Benjamini, Chaim (2010): Global climate change and planktic foraminiferal response in the Maastrichtian. Paleoceanography, 25(2), PA2201 |
title_short |
Planktonic foraminifera in the Maastrichtian of Hor-Hahar, supplement to: Abramovich, Sigal; Yovel-Corem, Shlomit; Almogi-Labin, Ahuva; Benjamini, Chaim (2010): Global climate change and planktic foraminiferal response in the Maastrichtian. Paleoceanography, 25(2), PA2201 |
title_full |
Planktonic foraminifera in the Maastrichtian of Hor-Hahar, supplement to: Abramovich, Sigal; Yovel-Corem, Shlomit; Almogi-Labin, Ahuva; Benjamini, Chaim (2010): Global climate change and planktic foraminiferal response in the Maastrichtian. Paleoceanography, 25(2), PA2201 |
title_fullStr |
Planktonic foraminifera in the Maastrichtian of Hor-Hahar, supplement to: Abramovich, Sigal; Yovel-Corem, Shlomit; Almogi-Labin, Ahuva; Benjamini, Chaim (2010): Global climate change and planktic foraminiferal response in the Maastrichtian. Paleoceanography, 25(2), PA2201 |
title_full_unstemmed |
Planktonic foraminifera in the Maastrichtian of Hor-Hahar, supplement to: Abramovich, Sigal; Yovel-Corem, Shlomit; Almogi-Labin, Ahuva; Benjamini, Chaim (2010): Global climate change and planktic foraminiferal response in the Maastrichtian. Paleoceanography, 25(2), PA2201 |
title_sort |
planktonic foraminifera in the maastrichtian of hor-hahar, supplement to: abramovich, sigal; yovel-corem, shlomit; almogi-labin, ahuva; benjamini, chaim (2010): global climate change and planktic foraminiferal response in the maastrichtian. paleoceanography, 25(2), pa2201 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
2010 |
url |
https://dx.doi.org/10.1594/pangaea.831534 https://doi.pangaea.de/10.1594/PANGAEA.831534 |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_relation |
https://dx.doi.org/10.1029/2009pa001843 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.831534 https://doi.org/10.1029/2009pa001843 |
_version_ |
1766170417236541440 |