Uraniferous bitumen nodules in the Talvivaara Ni-Zn-Cu-Co deposit (Finland): influence of metamorphism on uranium mineralization in black shales
International audience In the central part of the Fennoscandian Shield, the Talvivaara Ni-Zn-Cu-Co deposit, hosted by Palaeoproterozoic metamorphosed black schists, contains low uranium concentrations ranging from 10 to 30 ppm. The Talvivaara black schists were deposited 2.0-1.9 Ga ago and underwent...
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Online Access: | https://hal.science/hal-01301693 https://doi.org/10.1007/s00126-013-0502-3 |
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ftanrparis:oai:HAL:hal-01301693v1 2024-09-15T18:06:06+00:00 Uraniferous bitumen nodules in the Talvivaara Ni-Zn-Cu-Co deposit (Finland): influence of metamorphism on uranium mineralization in black shales Lecomte, Andrei Cathelineau, Michel Deloule, Etienne Brouand, Marc Peiffert, Chantal Loukola-Ruskeeniemi, Kirsti Pohjolainen, Esa Lahtinen, Hannu GeoRessources Institut national des sciences de l'Univers (INSU - CNRS)-Centre de recherches sur la géologie des matières premières minérales et énergétiques (CREGU)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS) Centre de Recherches Pétrographiques et Géochimiques (CRPG) Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS) Département Géosciences (AREVA-BU Mines) Groupe AREVA Geol Survey Finland, FI-02151 Espoo, Finland ANR-10-LABX-0021,RESSOURCES21,Strategic metal resources of the 21st century(2010) 2014-04 https://hal.science/hal-01301693 https://doi.org/10.1007/s00126-013-0502-3 en eng HAL CCSD Springer info:eu-repo/semantics/altIdentifier/doi/10.1007/s00126-013-0502-3 hal-01301693 https://hal.science/hal-01301693 doi:10.1007/s00126-013-0502-3 ISSN: 0026-4598 Mineralium Deposita https://hal.science/hal-01301693 Mineralium Deposita, 2014, 49 (4), pp.513-533. ⟨10.1007/s00126-013-0502-3⟩ [SDU.STU]Sciences of the Universe [physics]/Earth Sciences info:eu-repo/semantics/article Journal articles 2014 ftanrparis https://doi.org/10.1007/s00126-013-0502-3 2024-07-12T11:34:53Z International audience In the central part of the Fennoscandian Shield, the Talvivaara Ni-Zn-Cu-Co deposit, hosted by Palaeoproterozoic metamorphosed black schists, contains low uranium concentrations ranging from 10 to 30 ppm. The Talvivaara black schists were deposited 2.0-1.9 Ga ago and underwent subsequent metamorphism during the 1.9-1.79 Ga Svecofennian orogeny. Anhedral uraninite crystals rimmed by bitumen constitute the main host of uranium. U-Pb secondary ion mass spectrometry dating indicates that uraninite crystals were formed between 1,878 +/- 17 and 1,871 +/- 43 Ma, during peak metamorphism. Rare earth element patterns and high Th content (average 6.38 wt%) in disseminated uraninite crystals indicate that U was concentrated during high temperature metamorphism (> 400 A degrees C). The formation of bitumen rims around uraninite may be explained by two distinct scenarios: (a) a transport of U coincident with the migration of hydrocarbons or (b) post-metamorphic formation of bitumen rims, through radiolytic polymerization of gaseous hydrocarbons at the contact with uraninite. Article in Journal/Newspaper Fennoscandian Portail HAL-ANR (Agence Nationale de la Recherche) Mineralium Deposita 49 4 513 533 |
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Portail HAL-ANR (Agence Nationale de la Recherche) |
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language |
English |
topic |
[SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
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[SDU.STU]Sciences of the Universe [physics]/Earth Sciences Lecomte, Andrei Cathelineau, Michel Deloule, Etienne Brouand, Marc Peiffert, Chantal Loukola-Ruskeeniemi, Kirsti Pohjolainen, Esa Lahtinen, Hannu Uraniferous bitumen nodules in the Talvivaara Ni-Zn-Cu-Co deposit (Finland): influence of metamorphism on uranium mineralization in black shales |
topic_facet |
[SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
description |
International audience In the central part of the Fennoscandian Shield, the Talvivaara Ni-Zn-Cu-Co deposit, hosted by Palaeoproterozoic metamorphosed black schists, contains low uranium concentrations ranging from 10 to 30 ppm. The Talvivaara black schists were deposited 2.0-1.9 Ga ago and underwent subsequent metamorphism during the 1.9-1.79 Ga Svecofennian orogeny. Anhedral uraninite crystals rimmed by bitumen constitute the main host of uranium. U-Pb secondary ion mass spectrometry dating indicates that uraninite crystals were formed between 1,878 +/- 17 and 1,871 +/- 43 Ma, during peak metamorphism. Rare earth element patterns and high Th content (average 6.38 wt%) in disseminated uraninite crystals indicate that U was concentrated during high temperature metamorphism (> 400 A degrees C). The formation of bitumen rims around uraninite may be explained by two distinct scenarios: (a) a transport of U coincident with the migration of hydrocarbons or (b) post-metamorphic formation of bitumen rims, through radiolytic polymerization of gaseous hydrocarbons at the contact with uraninite. |
author2 |
GeoRessources Institut national des sciences de l'Univers (INSU - CNRS)-Centre de recherches sur la géologie des matières premières minérales et énergétiques (CREGU)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS) Centre de Recherches Pétrographiques et Géochimiques (CRPG) Institut national des sciences de l'Univers (INSU - CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS) Département Géosciences (AREVA-BU Mines) Groupe AREVA Geol Survey Finland, FI-02151 Espoo, Finland ANR-10-LABX-0021,RESSOURCES21,Strategic metal resources of the 21st century(2010) |
format |
Article in Journal/Newspaper |
author |
Lecomte, Andrei Cathelineau, Michel Deloule, Etienne Brouand, Marc Peiffert, Chantal Loukola-Ruskeeniemi, Kirsti Pohjolainen, Esa Lahtinen, Hannu |
author_facet |
Lecomte, Andrei Cathelineau, Michel Deloule, Etienne Brouand, Marc Peiffert, Chantal Loukola-Ruskeeniemi, Kirsti Pohjolainen, Esa Lahtinen, Hannu |
author_sort |
Lecomte, Andrei |
title |
Uraniferous bitumen nodules in the Talvivaara Ni-Zn-Cu-Co deposit (Finland): influence of metamorphism on uranium mineralization in black shales |
title_short |
Uraniferous bitumen nodules in the Talvivaara Ni-Zn-Cu-Co deposit (Finland): influence of metamorphism on uranium mineralization in black shales |
title_full |
Uraniferous bitumen nodules in the Talvivaara Ni-Zn-Cu-Co deposit (Finland): influence of metamorphism on uranium mineralization in black shales |
title_fullStr |
Uraniferous bitumen nodules in the Talvivaara Ni-Zn-Cu-Co deposit (Finland): influence of metamorphism on uranium mineralization in black shales |
title_full_unstemmed |
Uraniferous bitumen nodules in the Talvivaara Ni-Zn-Cu-Co deposit (Finland): influence of metamorphism on uranium mineralization in black shales |
title_sort |
uraniferous bitumen nodules in the talvivaara ni-zn-cu-co deposit (finland): influence of metamorphism on uranium mineralization in black shales |
publisher |
HAL CCSD |
publishDate |
2014 |
url |
https://hal.science/hal-01301693 https://doi.org/10.1007/s00126-013-0502-3 |
genre |
Fennoscandian |
genre_facet |
Fennoscandian |
op_source |
ISSN: 0026-4598 Mineralium Deposita https://hal.science/hal-01301693 Mineralium Deposita, 2014, 49 (4), pp.513-533. ⟨10.1007/s00126-013-0502-3⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00126-013-0502-3 hal-01301693 https://hal.science/hal-01301693 doi:10.1007/s00126-013-0502-3 |
op_doi |
https://doi.org/10.1007/s00126-013-0502-3 |
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Mineralium Deposita |
container_volume |
49 |
container_issue |
4 |
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513 |
op_container_end_page |
533 |
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1810443597560938496 |