Stable isotope geochemistry and palynology of the late Precambrian to Early Cambrian sequence in Newfoundland
A sequence of clastic sediments in southeastern Newfoundland straddling the Precambrian–Cambrian boundary has been investigated for its stable isotope geochemistry of carbon and sulfur and acid-resistant organic-walled microfossils. A detailed study of the Chapel Island Formation, which includes the...
Published in: | Canadian Journal of Earth Sciences |
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Language: | English |
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Canadian Science Publishing
1992
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Online Access: | http://dx.doi.org/10.1139/e92-131 http://www.nrcresearchpress.com/doi/pdf/10.1139/e92-131 |
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crcansciencepubl:10.1139/e92-131 2024-05-19T07:44:13+00:00 Stable isotope geochemistry and palynology of the late Precambrian to Early Cambrian sequence in Newfoundland Strauss, Harald Bengtson, Stefan Myrow, Paul M. Vidal, Gonzalo 1992 http://dx.doi.org/10.1139/e92-131 http://www.nrcresearchpress.com/doi/pdf/10.1139/e92-131 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Earth Sciences volume 29, issue 8, page 1662-1673 ISSN 0008-4077 1480-3313 journal-article 1992 crcansciencepubl https://doi.org/10.1139/e92-131 2024-04-25T06:52:00Z A sequence of clastic sediments in southeastern Newfoundland straddling the Precambrian–Cambrian boundary has been investigated for its stable isotope geochemistry of carbon and sulfur and acid-resistant organic-walled microfossils. A detailed study of the Chapel Island Formation, which includes the boundary interval, has revealed fluctuations in the isotopic composition of organic carbon. These are largely interpreted as caused by differences in the depositional environments. Highly variable sulfur isotopic compositions indicate bacterial sulfate reduction as a pyrite-forming process, sometimes under sulfate-limited conditions. Palynological results are quite limited with respect to diagnostic microfossils. Article in Journal/Newspaper Newfoundland Canadian Science Publishing Canadian Journal of Earth Sciences 29 8 1662 1673 |
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Open Polar |
collection |
Canadian Science Publishing |
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crcansciencepubl |
language |
English |
description |
A sequence of clastic sediments in southeastern Newfoundland straddling the Precambrian–Cambrian boundary has been investigated for its stable isotope geochemistry of carbon and sulfur and acid-resistant organic-walled microfossils. A detailed study of the Chapel Island Formation, which includes the boundary interval, has revealed fluctuations in the isotopic composition of organic carbon. These are largely interpreted as caused by differences in the depositional environments. Highly variable sulfur isotopic compositions indicate bacterial sulfate reduction as a pyrite-forming process, sometimes under sulfate-limited conditions. Palynological results are quite limited with respect to diagnostic microfossils. |
format |
Article in Journal/Newspaper |
author |
Strauss, Harald Bengtson, Stefan Myrow, Paul M. Vidal, Gonzalo |
spellingShingle |
Strauss, Harald Bengtson, Stefan Myrow, Paul M. Vidal, Gonzalo Stable isotope geochemistry and palynology of the late Precambrian to Early Cambrian sequence in Newfoundland |
author_facet |
Strauss, Harald Bengtson, Stefan Myrow, Paul M. Vidal, Gonzalo |
author_sort |
Strauss, Harald |
title |
Stable isotope geochemistry and palynology of the late Precambrian to Early Cambrian sequence in Newfoundland |
title_short |
Stable isotope geochemistry and palynology of the late Precambrian to Early Cambrian sequence in Newfoundland |
title_full |
Stable isotope geochemistry and palynology of the late Precambrian to Early Cambrian sequence in Newfoundland |
title_fullStr |
Stable isotope geochemistry and palynology of the late Precambrian to Early Cambrian sequence in Newfoundland |
title_full_unstemmed |
Stable isotope geochemistry and palynology of the late Precambrian to Early Cambrian sequence in Newfoundland |
title_sort |
stable isotope geochemistry and palynology of the late precambrian to early cambrian sequence in newfoundland |
publisher |
Canadian Science Publishing |
publishDate |
1992 |
url |
http://dx.doi.org/10.1139/e92-131 http://www.nrcresearchpress.com/doi/pdf/10.1139/e92-131 |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_source |
Canadian Journal of Earth Sciences volume 29, issue 8, page 1662-1673 ISSN 0008-4077 1480-3313 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/e92-131 |
container_title |
Canadian Journal of Earth Sciences |
container_volume |
29 |
container_issue |
8 |
container_start_page |
1662 |
op_container_end_page |
1673 |
_version_ |
1799483977851994112 |