A hidden alkaline and carbonatite province of early carboniferous age in northeast Poland: Zircon U-Pb and pyrrhotite Re-Os geochronology
Extensive geophysical investigations in NE Poland in the 1950s and 1960s led to the discovery of an alkaline and carbonatite magmatic province buried under thick (600-800 m) Meso-Cenozoic cover north of the Trans-European Suture Zone, or Tornquist Line. Drilling focused on geophysical anomalies iden...
Published in: | The Journal of Geology |
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ftanucanberra:oai:openresearch-repository.anu.edu.au:1885/69931 2024-01-14T10:08:19+01:00 A hidden alkaline and carbonatite province of early carboniferous age in northeast Poland: Zircon U-Pb and pyrrhotite Re-Os geochronology Demaiffe, Daniel Wiszniewska, Janina Krzeminska, Ewa Williams, Ian Stein, Holly J. Brassinnes, Stephane Ohnenstetter, Daniel Deloule, Etienne http://hdl.handle.net/1885/69931 https://doi.org/10.1086/668674 https://openresearch-repository.anu.edu.au/bitstream/1885/69931/5/f5625xPUB2164.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/69931/7/01_Demaiffe_A_hidden_alkaline_and_2013.pdf.jpg unknown University of Chicago Press 0022-1376 http://hdl.handle.net/1885/69931 doi:10.1086/668674 https://openresearch-repository.anu.edu.au/bitstream/1885/69931/5/f5625xPUB2164.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/69931/7/01_Demaiffe_A_hidden_alkaline_and_2013.pdf.jpg Author/s retain copyright Journal of Geology Keywords: carbonatite Carboniferous Cenozoic clinopyroxene Devonian emplacement geochronology metasedimentary rock metavolcanic rock rhenium-osmium dating suture zone syenite uranium-lead dating zircon Poland Journal article ftanucanberra https://doi.org/10.1086/668674 2023-12-15T09:36:46Z Extensive geophysical investigations in NE Poland in the 1950s and 1960s led to the discovery of an alkaline and carbonatite magmatic province buried under thick (600-800 m) Meso-Cenozoic cover north of the Trans-European Suture Zone, or Tornquist Line. Drilling focused on geophysical anomalies identified three intrusions in the Paleoproterozoic metasedimentary and metavolcanic rocks of the Mazowsze Domain: the Pisz gabbro-syenite massif, the Ełk syenite massif, and the small, differentiated Tajno body consisting of clinopyroxenite cumulates and syenites crosscut by carbonatite veins. Emplacement ages for these intrusions have been obtained by (1) zircon U-Pb geochronology on a gabbro from Pisz, a syenite from Ełk, and an albitite from Tajno and (2) a Re-Os model age for pyrrhotite from a Tajno carbonatite. The ages measured by both methods fall in the narrow range 354-345 Ma (Early Carboniferous: Tournaisian). This is slightly younger than the Late Devonian (380-360 Ma) Kola Peninsula alkaline and carbonatite province (20 intrusions) of NW Russia and Karelia but is of comparable age to the first manifestations of the long-lasting (~100 m.yr.) Carboniferous to Permian magmatic event (360-250 Ma) manifest in northern Europe (from the British Isles to southern Scandinavia, the North Sea, and northern Germany) in the foreland of the Variscan orogeny (in the so-called West European Carboniferous Basin) and the East European Craton. Article in Journal/Newspaper karelia* kola peninsula Australian National University: ANU Digital Collections Kola Peninsula The Journal of Geology 121 1 91 104 |
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Open Polar |
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Australian National University: ANU Digital Collections |
op_collection_id |
ftanucanberra |
language |
unknown |
topic |
Keywords: carbonatite Carboniferous Cenozoic clinopyroxene Devonian emplacement geochronology metasedimentary rock metavolcanic rock rhenium-osmium dating suture zone syenite uranium-lead dating zircon Poland |
spellingShingle |
Keywords: carbonatite Carboniferous Cenozoic clinopyroxene Devonian emplacement geochronology metasedimentary rock metavolcanic rock rhenium-osmium dating suture zone syenite uranium-lead dating zircon Poland Demaiffe, Daniel Wiszniewska, Janina Krzeminska, Ewa Williams, Ian Stein, Holly J. Brassinnes, Stephane Ohnenstetter, Daniel Deloule, Etienne A hidden alkaline and carbonatite province of early carboniferous age in northeast Poland: Zircon U-Pb and pyrrhotite Re-Os geochronology |
topic_facet |
Keywords: carbonatite Carboniferous Cenozoic clinopyroxene Devonian emplacement geochronology metasedimentary rock metavolcanic rock rhenium-osmium dating suture zone syenite uranium-lead dating zircon Poland |
description |
Extensive geophysical investigations in NE Poland in the 1950s and 1960s led to the discovery of an alkaline and carbonatite magmatic province buried under thick (600-800 m) Meso-Cenozoic cover north of the Trans-European Suture Zone, or Tornquist Line. Drilling focused on geophysical anomalies identified three intrusions in the Paleoproterozoic metasedimentary and metavolcanic rocks of the Mazowsze Domain: the Pisz gabbro-syenite massif, the Ełk syenite massif, and the small, differentiated Tajno body consisting of clinopyroxenite cumulates and syenites crosscut by carbonatite veins. Emplacement ages for these intrusions have been obtained by (1) zircon U-Pb geochronology on a gabbro from Pisz, a syenite from Ełk, and an albitite from Tajno and (2) a Re-Os model age for pyrrhotite from a Tajno carbonatite. The ages measured by both methods fall in the narrow range 354-345 Ma (Early Carboniferous: Tournaisian). This is slightly younger than the Late Devonian (380-360 Ma) Kola Peninsula alkaline and carbonatite province (20 intrusions) of NW Russia and Karelia but is of comparable age to the first manifestations of the long-lasting (~100 m.yr.) Carboniferous to Permian magmatic event (360-250 Ma) manifest in northern Europe (from the British Isles to southern Scandinavia, the North Sea, and northern Germany) in the foreland of the Variscan orogeny (in the so-called West European Carboniferous Basin) and the East European Craton. |
format |
Article in Journal/Newspaper |
author |
Demaiffe, Daniel Wiszniewska, Janina Krzeminska, Ewa Williams, Ian Stein, Holly J. Brassinnes, Stephane Ohnenstetter, Daniel Deloule, Etienne |
author_facet |
Demaiffe, Daniel Wiszniewska, Janina Krzeminska, Ewa Williams, Ian Stein, Holly J. Brassinnes, Stephane Ohnenstetter, Daniel Deloule, Etienne |
author_sort |
Demaiffe, Daniel |
title |
A hidden alkaline and carbonatite province of early carboniferous age in northeast Poland: Zircon U-Pb and pyrrhotite Re-Os geochronology |
title_short |
A hidden alkaline and carbonatite province of early carboniferous age in northeast Poland: Zircon U-Pb and pyrrhotite Re-Os geochronology |
title_full |
A hidden alkaline and carbonatite province of early carboniferous age in northeast Poland: Zircon U-Pb and pyrrhotite Re-Os geochronology |
title_fullStr |
A hidden alkaline and carbonatite province of early carboniferous age in northeast Poland: Zircon U-Pb and pyrrhotite Re-Os geochronology |
title_full_unstemmed |
A hidden alkaline and carbonatite province of early carboniferous age in northeast Poland: Zircon U-Pb and pyrrhotite Re-Os geochronology |
title_sort |
hidden alkaline and carbonatite province of early carboniferous age in northeast poland: zircon u-pb and pyrrhotite re-os geochronology |
publisher |
University of Chicago Press |
url |
http://hdl.handle.net/1885/69931 https://doi.org/10.1086/668674 https://openresearch-repository.anu.edu.au/bitstream/1885/69931/5/f5625xPUB2164.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/69931/7/01_Demaiffe_A_hidden_alkaline_and_2013.pdf.jpg |
geographic |
Kola Peninsula |
geographic_facet |
Kola Peninsula |
genre |
karelia* kola peninsula |
genre_facet |
karelia* kola peninsula |
op_source |
Journal of Geology |
op_relation |
0022-1376 http://hdl.handle.net/1885/69931 doi:10.1086/668674 https://openresearch-repository.anu.edu.au/bitstream/1885/69931/5/f5625xPUB2164.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/69931/7/01_Demaiffe_A_hidden_alkaline_and_2013.pdf.jpg |
op_rights |
Author/s retain copyright |
op_doi |
https://doi.org/10.1086/668674 |
container_title |
The Journal of Geology |
container_volume |
121 |
container_issue |
1 |
container_start_page |
91 |
op_container_end_page |
104 |
_version_ |
1788062751319392256 |