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Academic & Professional Books  Earth System Sciences  Lithosphere  Mineralogy & Crystallography

Banded Iron Formations to Iron Ore An Integrated New Genesis Model

By: Desmond Fitzgerald Lascelles(Author)
185 pages, b/w photos, b/w illustrations
Banded Iron Formations to Iron Ore
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  • Banded Iron Formations to Iron Ore ISBN: 9781536109719 Hardback Jan 2018 Usually dispatched within 6 days
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About this book

From the first attempts to understand the origin of giant iron ore deposits, numerous false assumptions have been used as the basis of genesis models that have become standard and unquestioned, with later research generally seeking to find evidence supporting the existing models and ignoring contrary evidence. Many models were constructed based on extremely rare features, and their absence in the global abundance of iron formations was not considered important since there was no understanding of the major sedimentary structures, i.e. laminations and banding. Inconsistencies within the hypothetical models are either ignored or excused by proposing special circumstances, but no one considers that the models might be wrong or have only limited application.

Many hypotheses regarding Earth's history have been postulated from the difference between Phanerozoic and Precambrian iron-formations. In particular, the development of an oxygenated atmosphere has been deduced from the supposed evolution of iron-formations. The subject has provided a fertile field for research and models of Earth's history, but without clear knowledge of the sedimentation, diagenesis and metamorphism of banded iron formations, such models are speculative or even irrelevant. Since these models on the genesis and distribution of banded iron formations were used as proxies to answer questions regarding the composition of the early oceans and atmosphere, weathering and transport conditions on early land surface, volcanism and continental development in the Archean eon, and as they affect exploration for the largest volume and most basic of industrial metals, they have an importance beyond academic sedimentary and stratigraphic interest.

The aim of Banded Iron Formations to Iron Ore is to present a model for the origin of these formations and derived high-grade iron ore deposits with global applications that are still subject to correction and change as new information becomes available and are free of illogical assumptions which do not conflict with either field observations or basic chemistry and physics

Contents

Preface

Section 1: The Genesis of Banded Iron Formations
Chapter 1. History of Banded Iron Formation Research
Chapter 2. The New Model

Section 2: The Origin of BIF-Derived High-Grade Iron Ore Deposits
Chapter 3. Introduction
Chapter 4. Formation Processes of BIF-Derived High-Grade Iron Ore Deposits

Section 3: Pisolitic Iron Ore Deposits
Chapter 5. Formation of Pisoliths
Chapter 6. Ore Grade Iron Pisolites

Index

Customer Reviews

By: Desmond Fitzgerald Lascelles(Author)
185 pages, b/w photos, b/w illustrations
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