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Academic & Professional Books  Earth System Sciences  Geosphere  Geophysics & Geochemistry

Iron Formations as Palaeoenvironmental Archives

New
By: Kaarel Mänd(Author), Leslie J Robbins(Author), Noah J Planavsky(Author), Andrey Bekker(Author), Kurt O Konhauser(Author)
75 pages
Iron Formations as Palaeoenvironmental Archives
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  • Iron Formations as Palaeoenvironmental Archives ISBN: 9781108995290 Paperback Jan 2022 Usually dispatched within 5 days
    £14.99
    #257347
Price: £14.99
About this book Contents Customer reviews Related titles

About this book

Ancient iron formations – iron and silica-rich chemical sedimentary rocks that formed throughout the Precambrian aeons – provide a significant part of the evidence for the modern scientific understanding of palaeoenvironmental conditions in Archaean (4.0–2.5 billion years ago) and Proterozoic (2.5–0.539 billion years ago) times. Despite controversies regarding their formation mechanisms, iron formations are a testament to the influence of the Precambrian biosphere on early ocean chemistry. As many iron formations are pure chemical sediments that reflect the composition of the waters from which they precipitated, they can also serve as nuanced geochemical archives for the study of ancient marine temperatures, redox states, and elemental cycling, if proper care is taken to understand their sedimentological context.

Contents

1. Introduction
2. Iron Formations as Geochemical Proxies
3. Palaeotemperature
4. Nutrient Availability
5. Palaeoredox
6. Bulk vs. In-situ Analysis
7. Comparison of IF, Shale, and Carbonate Mo Records: A Case Study
8. Outlook

Customer Reviews

New
By: Kaarel Mänd(Author), Leslie J Robbins(Author), Noah J Planavsky(Author), Andrey Bekker(Author), Kurt O Konhauser(Author)
75 pages
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