Assessing mineral fertility and bias in sedimentary provenance studies: examples from the Barents Shelf
The development of laser ablation techniques using inductively coupled plasma mass spectrometry has enabled the routine and fast acquisition of in situ U–Pb and Pb–Pb isotope ratio data from single detrital grains or parts of grains. Detrital zircon dating is a technique that is increasingly applied...
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ftdatacite:10.6084/m9.figshare.c.4363838.v1 2023-05-15T16:13:02+02:00 Assessing mineral fertility and bias in sedimentary provenance studies: examples from the Barents Shelf Flowerdew, Michael J. Fleming, Edward J. Morton, Andrew C. Frei, Dirk Chew, David M. J. Stephen Daly 2019 https://dx.doi.org/10.6084/m9.figshare.c.4363838.v1 https://geolsoc.figshare.com/collections/Assessing_mineral_fertility_and_bias_in_sedimentary_provenance_studies_examples_from_the_Barents_Shelf/4363838/1 unknown Figshare https://dx.doi.org/10.1144/sp484.11 https://dx.doi.org/10.6084/m9.figshare.c.4363838 CC BY 4.0 https://creativecommons.org/licenses/by/4.0 CC-BY Geology FOS Earth and related environmental sciences Collection article 2019 ftdatacite https://doi.org/10.6084/m9.figshare.c.4363838.v1 https://doi.org/10.1144/sp484.11 https://doi.org/10.6084/m9.figshare.c.4363838 2021-11-05T12:55:41Z The development of laser ablation techniques using inductively coupled plasma mass spectrometry has enabled the routine and fast acquisition of in situ U–Pb and Pb–Pb isotope ratio data from single detrital grains or parts of grains. Detrital zircon dating is a technique that is increasingly applied to sedimentary provenance studies. However, sand routing information using zircon analysis alone may be obscured by repeated sedimentary reworking cycles and mineral fertility variations. These biases are illustrated by two clear case studies from the Triassic–Jurassic of the Barents Shelf where the use of U–Pb geochronology on apatite and rutile and Pb–Pb isotopic data from K-feldspar is highly beneficial for provenance interpretations. In the first case study, U–Pb apatite ages from the (Induan–Norian) Havert, Kobbe and Snadd formations indicate an evolving provenance and identify possible episodes of storage within foreland basins prior to delivery onto the Barents Shelf. In the second case study, U–Pb rutile and Pb isotopic analyses of K-feldspar from the Norian–Pliensbachian Realgrunnen Subgroup provide a clear distinction between north Norwegian Caledonides and Fennoscandian Shield sources and suggest that a similar approach may be used to test competing models for sand dispersal for this Subgroup in regions farther north than this study. Article in Journal/Newspaper Fennoscandian DataCite Metadata Store (German National Library of Science and Technology) |
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Open Polar |
collection |
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topic |
Geology FOS Earth and related environmental sciences |
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Geology FOS Earth and related environmental sciences Flowerdew, Michael J. Fleming, Edward J. Morton, Andrew C. Frei, Dirk Chew, David M. J. Stephen Daly Assessing mineral fertility and bias in sedimentary provenance studies: examples from the Barents Shelf |
topic_facet |
Geology FOS Earth and related environmental sciences |
description |
The development of laser ablation techniques using inductively coupled plasma mass spectrometry has enabled the routine and fast acquisition of in situ U–Pb and Pb–Pb isotope ratio data from single detrital grains or parts of grains. Detrital zircon dating is a technique that is increasingly applied to sedimentary provenance studies. However, sand routing information using zircon analysis alone may be obscured by repeated sedimentary reworking cycles and mineral fertility variations. These biases are illustrated by two clear case studies from the Triassic–Jurassic of the Barents Shelf where the use of U–Pb geochronology on apatite and rutile and Pb–Pb isotopic data from K-feldspar is highly beneficial for provenance interpretations. In the first case study, U–Pb apatite ages from the (Induan–Norian) Havert, Kobbe and Snadd formations indicate an evolving provenance and identify possible episodes of storage within foreland basins prior to delivery onto the Barents Shelf. In the second case study, U–Pb rutile and Pb isotopic analyses of K-feldspar from the Norian–Pliensbachian Realgrunnen Subgroup provide a clear distinction between north Norwegian Caledonides and Fennoscandian Shield sources and suggest that a similar approach may be used to test competing models for sand dispersal for this Subgroup in regions farther north than this study. |
format |
Article in Journal/Newspaper |
author |
Flowerdew, Michael J. Fleming, Edward J. Morton, Andrew C. Frei, Dirk Chew, David M. J. Stephen Daly |
author_facet |
Flowerdew, Michael J. Fleming, Edward J. Morton, Andrew C. Frei, Dirk Chew, David M. J. Stephen Daly |
author_sort |
Flowerdew, Michael J. |
title |
Assessing mineral fertility and bias in sedimentary provenance studies: examples from the Barents Shelf |
title_short |
Assessing mineral fertility and bias in sedimentary provenance studies: examples from the Barents Shelf |
title_full |
Assessing mineral fertility and bias in sedimentary provenance studies: examples from the Barents Shelf |
title_fullStr |
Assessing mineral fertility and bias in sedimentary provenance studies: examples from the Barents Shelf |
title_full_unstemmed |
Assessing mineral fertility and bias in sedimentary provenance studies: examples from the Barents Shelf |
title_sort |
assessing mineral fertility and bias in sedimentary provenance studies: examples from the barents shelf |
publisher |
Figshare |
publishDate |
2019 |
url |
https://dx.doi.org/10.6084/m9.figshare.c.4363838.v1 https://geolsoc.figshare.com/collections/Assessing_mineral_fertility_and_bias_in_sedimentary_provenance_studies_examples_from_the_Barents_Shelf/4363838/1 |
genre |
Fennoscandian |
genre_facet |
Fennoscandian |
op_relation |
https://dx.doi.org/10.1144/sp484.11 https://dx.doi.org/10.6084/m9.figshare.c.4363838 |
op_rights |
CC BY 4.0 https://creativecommons.org/licenses/by/4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.6084/m9.figshare.c.4363838.v1 https://doi.org/10.1144/sp484.11 https://doi.org/10.6084/m9.figshare.c.4363838 |
_version_ |
1765998635571478528 |