Rapid formation of the Small Isles tertiary centre constrained by precise 40Ar/39Ar and U-Pb ages
The relative chronology of magmatic and tectonic events is key to an understanding of the influence of the Iceland plume on the North Atlantic. In particular, the location and duration of magmatism is of fundamental importance. Initial widespread flood basalt formation occurred in Baffin Island, Gre...
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ftnerc:oai:nora.nerc.ac.uk:7834 2023-05-15T15:35:26+02:00 Rapid formation of the Small Isles tertiary centre constrained by precise 40Ar/39Ar and U-Pb ages Chambers, LM Pringle, MS Parrish, Randall R 2005 http://nora.nerc.ac.uk/id/eprint/7834/ http://www.elsevier.com/wps/find/journaldescription.cws_home/503348/description#description unknown Elsevier Chambers, LM; Pringle, MS; Parrish, Randall R. 2005 Rapid formation of the Small Isles tertiary centre constrained by precise 40Ar/39Ar and U-Pb ages. Lithos, 79 (3-4). 367-384. https://doi.org/10.1016/j.lithos.2004.09.008 <https://doi.org/10.1016/j.lithos.2004.09.008> Earth Sciences Publication - Article PeerReviewed 2005 ftnerc https://doi.org/10.1016/j.lithos.2004.09.008 2023-02-04T19:25:12Z The relative chronology of magmatic and tectonic events is key to an understanding of the influence of the Iceland plume on the North Atlantic. In particular, the location and duration of magmatism is of fundamental importance. Initial widespread flood basalt formation occurred in Baffin Island, Greenland, and Britain before complete plate break up at 56 Ma after which time magmatism became concentrated in the active rift zone. Historically the British Tertiary Igneous Province (BTIP) has been instrumental in advancing many concepts of igneous petrology. However, the absolute age and duration of the province remains unresolved. Here, we present new internally consistent 40Ar/39Ar ages that help to constrain the volcanic activity in the Small Isles centre to within 2 my. This short duration has implications for the onset of magmatism in the larger North Atlantic province, the rapid unroofing of the Rum volcano, and more significantly, some of the evidence used to propose pulsing of the Iceland plume. Article in Journal/Newspaper Baffin Island Baffin Greenland Iceland North Atlantic Natural Environment Research Council: NERC Open Research Archive Baffin Island Greenland Lithos 79 3-4 367 384 |
institution |
Open Polar |
collection |
Natural Environment Research Council: NERC Open Research Archive |
op_collection_id |
ftnerc |
language |
unknown |
topic |
Earth Sciences |
spellingShingle |
Earth Sciences Chambers, LM Pringle, MS Parrish, Randall R Rapid formation of the Small Isles tertiary centre constrained by precise 40Ar/39Ar and U-Pb ages |
topic_facet |
Earth Sciences |
description |
The relative chronology of magmatic and tectonic events is key to an understanding of the influence of the Iceland plume on the North Atlantic. In particular, the location and duration of magmatism is of fundamental importance. Initial widespread flood basalt formation occurred in Baffin Island, Greenland, and Britain before complete plate break up at 56 Ma after which time magmatism became concentrated in the active rift zone. Historically the British Tertiary Igneous Province (BTIP) has been instrumental in advancing many concepts of igneous petrology. However, the absolute age and duration of the province remains unresolved. Here, we present new internally consistent 40Ar/39Ar ages that help to constrain the volcanic activity in the Small Isles centre to within 2 my. This short duration has implications for the onset of magmatism in the larger North Atlantic province, the rapid unroofing of the Rum volcano, and more significantly, some of the evidence used to propose pulsing of the Iceland plume. |
format |
Article in Journal/Newspaper |
author |
Chambers, LM Pringle, MS Parrish, Randall R |
author_facet |
Chambers, LM Pringle, MS Parrish, Randall R |
author_sort |
Chambers, LM |
title |
Rapid formation of the Small Isles tertiary centre constrained by precise 40Ar/39Ar and U-Pb ages |
title_short |
Rapid formation of the Small Isles tertiary centre constrained by precise 40Ar/39Ar and U-Pb ages |
title_full |
Rapid formation of the Small Isles tertiary centre constrained by precise 40Ar/39Ar and U-Pb ages |
title_fullStr |
Rapid formation of the Small Isles tertiary centre constrained by precise 40Ar/39Ar and U-Pb ages |
title_full_unstemmed |
Rapid formation of the Small Isles tertiary centre constrained by precise 40Ar/39Ar and U-Pb ages |
title_sort |
rapid formation of the small isles tertiary centre constrained by precise 40ar/39ar and u-pb ages |
publisher |
Elsevier |
publishDate |
2005 |
url |
http://nora.nerc.ac.uk/id/eprint/7834/ http://www.elsevier.com/wps/find/journaldescription.cws_home/503348/description#description |
geographic |
Baffin Island Greenland |
geographic_facet |
Baffin Island Greenland |
genre |
Baffin Island Baffin Greenland Iceland North Atlantic |
genre_facet |
Baffin Island Baffin Greenland Iceland North Atlantic |
op_relation |
Chambers, LM; Pringle, MS; Parrish, Randall R. 2005 Rapid formation of the Small Isles tertiary centre constrained by precise 40Ar/39Ar and U-Pb ages. Lithos, 79 (3-4). 367-384. https://doi.org/10.1016/j.lithos.2004.09.008 <https://doi.org/10.1016/j.lithos.2004.09.008> |
op_doi |
https://doi.org/10.1016/j.lithos.2004.09.008 |
container_title |
Lithos |
container_volume |
79 |
container_issue |
3-4 |
container_start_page |
367 |
op_container_end_page |
384 |
_version_ |
1766365769080242176 |