Nitrogen Isotopes in Deep Time

Nitrogen Isotopes in Deep Time
Colin Mettam, Aubrey L Zerkle
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Paperback
h229 x 152mm - 75pg
18 Feb 2021 UK
International import eta 7-19 days
9781108810708
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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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Status: Active
ISBN-13: 9781108810708
Published: 18 Feb 2021
Published In: United Kingdom
Imprint: Cambridge University Press
Publisher: Cambridge University Press
Format: Paperback
Height: 229mm
Width: 152mm
Spine: 2mm
Weight: 580g
Pages: 75

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