Iron Formations as Palaeoenvironmental Archives
Author:   Kaarel Mänd (University of Alberta) ,  Leslie J. Robbins (University of Regina, Saskatchewan, Canada) ,  Noah J. Planavsky (Yale University, Connecticut) ,  Andrey Bekker (University of California, Riverside)
Publisher:   Cambridge University Press
Edition:   New edition
ISBN:  

9781108995290


Pages:   75
Publication Date:   20 January 2022
Format:   Paperback
Availability:   Manufactured on demand   Availability explained
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Iron Formations as Palaeoenvironmental Archives


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Overview

Ancient iron formations - iron and silica-rich chemical sedimentary rocks that formed throughout the Precambrian eons - 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.

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Author:   Kaarel Mänd (University of Alberta) ,  Leslie J. Robbins (University of Regina, Saskatchewan, Canada) ,  Noah J. Planavsky (Yale University, Connecticut) ,  Andrey Bekker (University of California, Riverside)
Publisher:   Cambridge University Press
Imprint:   Cambridge University Press
Edition:   New edition
Dimensions:   Width: 15.20cm , Height: 0.30cm , Length: 22.90cm
Weight:   0.073kg
ISBN:  

9781108995290


ISBN 10:   1108995292
Pages:   75
Publication Date:   20 January 2022
Audience:   General/trade ,  General
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand   Availability explained
We will order this item for you from a manufactured on demand supplier.

Table of 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.

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