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Nitrogen Isotopes in Deep Time
Paperback / softback
Main Details
| Title |
Nitrogen Isotopes in Deep Time
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| Authors and Contributors |
By (author) Colin Mettam
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By (author) Aubrey L. Zerkle
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| Series | Elements in Geochemical Tracers in Earth System Science |
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| Physical Properties |
| Format:Paperback / softback | | Pages:75 | | Dimensions(mm): Height 150,Width 230 |
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| Category/Genre | Earth sciences
The environment |
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| ISBN/Barcode |
9781108810708
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| Classifications | Dewey:546.711 |
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| Audience | | Professional & Vocational | |
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| Illustrations |
Worked examples or Exercises
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Publishing Details |
| Publisher |
Cambridge University Press
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| Imprint |
Cambridge University Press
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| Publication Date |
18 February 2021 |
| Publication Country |
United Kingdom
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Description
Nitrogen is an essential nutrient for life, and its sources and cycling have varied over earth history. Stable isotope ratios of nitrogen compounds (expressed as 15N, in 0/00) are preserved in the sedimentary record and track these changes, providing important insights into associated biogeochemical feedbacks. Here we review the use of nitrogen stable isotope geochemistry in unravelling the evolution of the global N cycle in deep time. We highlight difficulties with preservation, unambiguous interpretations, and local versus global effects. We end with several case studies illustrating how depositional and stratigraphic context is crucial in reliably interpreting 15N records in ancient marine sediments, both in ancient anoxic (Archean) and more recent well oxygenated (Phanerozoic) environments.
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