Comment on 'Apatite fission track and (U–Th)/He data from Fennoscandia: An example of underestimation of fission track annealing in apatite' by Hendriks and Redfield [Earth Planet. Sci. Lett. 236 (443–458)]
In a recent paper Hendriks and Redfield question the existence of major episodes of burial and subsequent denudation in old cratonic settings. They use Fennoscandia as an example, a continental shield region once covered by foreland basin deposits related to the Caledonian orogen, but today characte...
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ftgfzpotsdam:oai:gfzpublic.gfz-potsdam.de:item_236377 2023-05-15T16:11:33+02:00 Comment on 'Apatite fission track and (U–Th)/He data from Fennoscandia: An example of underestimation of fission track annealing in apatite' by Hendriks and Redfield [Earth Planet. Sci. Lett. 236 (443–458)] Larson, S. Cederbom, C. Tullborg, E. Stiberg, J. 3.1 Lithosphere Dynamics, 3.0 Geodynamics and Geomaterials, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum 2006 https://gfzpublic.gfz-potsdam.de/pubman/item/item_236377 unknown info:eu-repo/semantics/altIdentifier/doi/10.1016/j.epsl.2006.06.018 https://gfzpublic.gfz-potsdam.de/pubman/item/item_236377 Earth and Planetary Science Letters 550 - Earth sciences info:eu-repo/semantics/article 2006 ftgfzpotsdam https://doi.org/10.1016/j.epsl.2006.06.018 2022-09-14T05:54:46Z In a recent paper Hendriks and Redfield question the existence of major episodes of burial and subsequent denudation in old cratonic settings. They use Fennoscandia as an example, a continental shield region once covered by foreland basin deposits related to the Caledonian orogen, but today characterized by an exposed Precambrian basement. Hendriks and Redfield argue against a significant Caledonian foreland basin cover, referring to a selection of the numerous thermal indicator studies that have been performed in the region. Furthermore, they discern an inconsistency between previously published fission track and (U–Th)/He results in the region, and suggest an alternative interpretation of the apatite fission-track data from Fennoscandia. Here we present geological arguments and highlight the numerous studies, only briefly mentioned or not referred to at all by Hendriks and Redfield, that strongly support the former existence of thick and extensive deposits on the Caledonian foreland. Furthermore, we discuss the alleged inconsistency between the different data sets by examining the data referred to more closely. Finally, we evaluate the significance of the suggested inverse correlation between fission track age and 238U concentration presented by Hendriks and Redfield. There is, in fact, no published example of an inconsistency between the two methods concerning Paleozoic cooling in Fennoscandia at present, and the inverse relationship stated by the authors is poorly constrained. Therefore, although radiation-enhanced lattice recovery may have an influence on the apatite fission-track age and should be examined further we conclude that the study by Hendriks and Redfield is poorly constrained, their argumentation weakly and sometimes wrongly founded, and that the thermochronology data from Fennoscandia indeed do reflect sedimentary loading. Article in Journal/Newspaper Fennoscandia GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam) Earth and Planetary Science Letters 248 1-2 561 568 |
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Open Polar |
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GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam) |
op_collection_id |
ftgfzpotsdam |
language |
unknown |
topic |
550 - Earth sciences |
spellingShingle |
550 - Earth sciences Larson, S. Cederbom, C. Tullborg, E. Stiberg, J. Comment on 'Apatite fission track and (U–Th)/He data from Fennoscandia: An example of underestimation of fission track annealing in apatite' by Hendriks and Redfield [Earth Planet. Sci. Lett. 236 (443–458)] |
topic_facet |
550 - Earth sciences |
description |
In a recent paper Hendriks and Redfield question the existence of major episodes of burial and subsequent denudation in old cratonic settings. They use Fennoscandia as an example, a continental shield region once covered by foreland basin deposits related to the Caledonian orogen, but today characterized by an exposed Precambrian basement. Hendriks and Redfield argue against a significant Caledonian foreland basin cover, referring to a selection of the numerous thermal indicator studies that have been performed in the region. Furthermore, they discern an inconsistency between previously published fission track and (U–Th)/He results in the region, and suggest an alternative interpretation of the apatite fission-track data from Fennoscandia. Here we present geological arguments and highlight the numerous studies, only briefly mentioned or not referred to at all by Hendriks and Redfield, that strongly support the former existence of thick and extensive deposits on the Caledonian foreland. Furthermore, we discuss the alleged inconsistency between the different data sets by examining the data referred to more closely. Finally, we evaluate the significance of the suggested inverse correlation between fission track age and 238U concentration presented by Hendriks and Redfield. There is, in fact, no published example of an inconsistency between the two methods concerning Paleozoic cooling in Fennoscandia at present, and the inverse relationship stated by the authors is poorly constrained. Therefore, although radiation-enhanced lattice recovery may have an influence on the apatite fission-track age and should be examined further we conclude that the study by Hendriks and Redfield is poorly constrained, their argumentation weakly and sometimes wrongly founded, and that the thermochronology data from Fennoscandia indeed do reflect sedimentary loading. |
author2 |
3.1 Lithosphere Dynamics, 3.0 Geodynamics and Geomaterials, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum |
format |
Article in Journal/Newspaper |
author |
Larson, S. Cederbom, C. Tullborg, E. Stiberg, J. |
author_facet |
Larson, S. Cederbom, C. Tullborg, E. Stiberg, J. |
author_sort |
Larson, S. |
title |
Comment on 'Apatite fission track and (U–Th)/He data from Fennoscandia: An example of underestimation of fission track annealing in apatite' by Hendriks and Redfield [Earth Planet. Sci. Lett. 236 (443–458)] |
title_short |
Comment on 'Apatite fission track and (U–Th)/He data from Fennoscandia: An example of underestimation of fission track annealing in apatite' by Hendriks and Redfield [Earth Planet. Sci. Lett. 236 (443–458)] |
title_full |
Comment on 'Apatite fission track and (U–Th)/He data from Fennoscandia: An example of underestimation of fission track annealing in apatite' by Hendriks and Redfield [Earth Planet. Sci. Lett. 236 (443–458)] |
title_fullStr |
Comment on 'Apatite fission track and (U–Th)/He data from Fennoscandia: An example of underestimation of fission track annealing in apatite' by Hendriks and Redfield [Earth Planet. Sci. Lett. 236 (443–458)] |
title_full_unstemmed |
Comment on 'Apatite fission track and (U–Th)/He data from Fennoscandia: An example of underestimation of fission track annealing in apatite' by Hendriks and Redfield [Earth Planet. Sci. Lett. 236 (443–458)] |
title_sort |
comment on 'apatite fission track and (u–th)/he data from fennoscandia: an example of underestimation of fission track annealing in apatite' by hendriks and redfield [earth planet. sci. lett. 236 (443–458)] |
publishDate |
2006 |
url |
https://gfzpublic.gfz-potsdam.de/pubman/item/item_236377 |
genre |
Fennoscandia |
genre_facet |
Fennoscandia |
op_source |
Earth and Planetary Science Letters |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.epsl.2006.06.018 https://gfzpublic.gfz-potsdam.de/pubman/item/item_236377 |
op_doi |
https://doi.org/10.1016/j.epsl.2006.06.018 |
container_title |
Earth and Planetary Science Letters |
container_volume |
248 |
container_issue |
1-2 |
container_start_page |
561 |
op_container_end_page |
568 |
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1765996696354947072 |