A Timanian foreland basin setting for the late Neoproterozoic–Early Palaeozoic cover sequences (Dividal Group) of northeastern Baltica
LA-ICP-MS U–Pb and Hf-isotope data on detrital zircons from the Ediacaran and Cambrian Dividal Group demonstrate that the autochthonous cover sequence above the Fennoscandian Shield in northernmost Scandinavia is not derived from an easterly Archaean and Palaeoproterozoic source within Baltica as co...
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Geological Society of London
2016
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ftdatacite:10.6084/m9.figshare.3453677.v1 2023-05-15T13:21:19+02:00 A Timanian foreland basin setting for the late Neoproterozoic–Early Palaeozoic cover sequences (Dividal Group) of northeastern Baltica Andresen, Arild Agyei-Dwarko, Nana Yaw Kristoffersen, Magnus Nils-Martin Hanken 2016 https://dx.doi.org/10.6084/m9.figshare.3453677.v1 https://geolsoc.figshare.com/articles/dataset/A_Timanian_foreland_basin_setting_for_the_late_Neoproterozoic_Early_Palaeozoic_cover_sequences_Dividal_Group_of_northeastern___Baltica/3453677/1 unknown Geological Society of London https://dx.doi.org/10.1144/sp390.29 https://dx.doi.org/10.6084/m9.figshare.3453677 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 CC-BY Geology FOS Earth and related environmental sciences dataset Dataset 2016 ftdatacite https://doi.org/10.6084/m9.figshare.3453677.v1 https://doi.org/10.1144/sp390.29 https://doi.org/10.6084/m9.figshare.3453677 2021-11-05T12:55:41Z LA-ICP-MS U–Pb and Hf-isotope data on detrital zircons from the Ediacaran and Cambrian Dividal Group demonstrate that the autochthonous cover sequence above the Fennoscandian Shield in northernmost Scandinavia is not derived from an easterly Archaean and Palaeoproterozoic source within Baltica as commonly thought. Detrital zircon age populations on four samples from the Dividal Group are dominated by Mesoproterozoic zircons with relatively few Palaeoproterozoic and Archaean zircons. Two samples, from Altevann and Reisadalen have, in addition, a significant population of Ediacaran zircons ( c. 570–560 Ma), indicating a Timanian source area for most of the lower Cambrian Dividal Group sediments. The 176 Hf/ 177 Hf isotope data show the Ediacaran zircons to be derived from two separate plutonic complexes within the Timanides. It is argued that the Dividal Group sediments were deposited in a foreland basin south and SW of the Timanide Orogen. Similarities with clastic zircon age populations from Cambrian deposits in Akkajaure, Ladoga/White Sea and St Petersburg areas indicate that this foreland basin possibly extended southward for at least 1000 km. A foreland basin setting for the Ediacaran and Cambrian deposits in Central and Southern Scandinavia can thus account for the enigmatic Neoproterozoic detrital zircons in these deposits. Dataset Altevann Fennoscandian Reisadalen White Sea DataCite Metadata Store (German National Library of Science and Technology) Reisadalen ENVELOPE(21.367,21.367,69.543,69.543) White Sea |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Geology FOS Earth and related environmental sciences |
spellingShingle |
Geology FOS Earth and related environmental sciences Andresen, Arild Agyei-Dwarko, Nana Yaw Kristoffersen, Magnus Nils-Martin Hanken A Timanian foreland basin setting for the late Neoproterozoic–Early Palaeozoic cover sequences (Dividal Group) of northeastern Baltica |
topic_facet |
Geology FOS Earth and related environmental sciences |
description |
LA-ICP-MS U–Pb and Hf-isotope data on detrital zircons from the Ediacaran and Cambrian Dividal Group demonstrate that the autochthonous cover sequence above the Fennoscandian Shield in northernmost Scandinavia is not derived from an easterly Archaean and Palaeoproterozoic source within Baltica as commonly thought. Detrital zircon age populations on four samples from the Dividal Group are dominated by Mesoproterozoic zircons with relatively few Palaeoproterozoic and Archaean zircons. Two samples, from Altevann and Reisadalen have, in addition, a significant population of Ediacaran zircons ( c. 570–560 Ma), indicating a Timanian source area for most of the lower Cambrian Dividal Group sediments. The 176 Hf/ 177 Hf isotope data show the Ediacaran zircons to be derived from two separate plutonic complexes within the Timanides. It is argued that the Dividal Group sediments were deposited in a foreland basin south and SW of the Timanide Orogen. Similarities with clastic zircon age populations from Cambrian deposits in Akkajaure, Ladoga/White Sea and St Petersburg areas indicate that this foreland basin possibly extended southward for at least 1000 km. A foreland basin setting for the Ediacaran and Cambrian deposits in Central and Southern Scandinavia can thus account for the enigmatic Neoproterozoic detrital zircons in these deposits. |
format |
Dataset |
author |
Andresen, Arild Agyei-Dwarko, Nana Yaw Kristoffersen, Magnus Nils-Martin Hanken |
author_facet |
Andresen, Arild Agyei-Dwarko, Nana Yaw Kristoffersen, Magnus Nils-Martin Hanken |
author_sort |
Andresen, Arild |
title |
A Timanian foreland basin setting for the late Neoproterozoic–Early Palaeozoic cover sequences (Dividal Group) of northeastern Baltica |
title_short |
A Timanian foreland basin setting for the late Neoproterozoic–Early Palaeozoic cover sequences (Dividal Group) of northeastern Baltica |
title_full |
A Timanian foreland basin setting for the late Neoproterozoic–Early Palaeozoic cover sequences (Dividal Group) of northeastern Baltica |
title_fullStr |
A Timanian foreland basin setting for the late Neoproterozoic–Early Palaeozoic cover sequences (Dividal Group) of northeastern Baltica |
title_full_unstemmed |
A Timanian foreland basin setting for the late Neoproterozoic–Early Palaeozoic cover sequences (Dividal Group) of northeastern Baltica |
title_sort |
timanian foreland basin setting for the late neoproterozoic–early palaeozoic cover sequences (dividal group) of northeastern baltica |
publisher |
Geological Society of London |
publishDate |
2016 |
url |
https://dx.doi.org/10.6084/m9.figshare.3453677.v1 https://geolsoc.figshare.com/articles/dataset/A_Timanian_foreland_basin_setting_for_the_late_Neoproterozoic_Early_Palaeozoic_cover_sequences_Dividal_Group_of_northeastern___Baltica/3453677/1 |
long_lat |
ENVELOPE(21.367,21.367,69.543,69.543) |
geographic |
Reisadalen White Sea |
geographic_facet |
Reisadalen White Sea |
genre |
Altevann Fennoscandian Reisadalen White Sea |
genre_facet |
Altevann Fennoscandian Reisadalen White Sea |
op_relation |
https://dx.doi.org/10.1144/sp390.29 https://dx.doi.org/10.6084/m9.figshare.3453677 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.6084/m9.figshare.3453677.v1 https://doi.org/10.1144/sp390.29 https://doi.org/10.6084/m9.figshare.3453677 |
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1766358698514448384 |