Banded Iron Formations To Iron Ore
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Banded Iron Formation related High grade Iron Ore
Author | : Steffen Gerd Hagemann |
Publsiher | : Unknown |
Total Pages | : 414 |
Release | : 2008 |
Genre | : Iron ores |
ISBN | : 1934969079 |
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Banded Iron Formations to Iron Ore
Author | : Desmond Fitzgerald Lascelles |
Publsiher | : Nova Science Publishers |
Total Pages | : 0 |
Release | : 2017-06 |
Genre | : Iron |
ISBN | : 1536109711 |
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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 Earths 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 Earths history, but without clear knowledge of the sedimentation, diagenesis and metamorphism of BIFs (branded iron formations), such models are speculative or even irrelevant. Since these models on the genesis and distribution of BIF 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 this book is to present a model for the origin of BIFs 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.
Iron Ore Deposits and Banded Iron Formations of India
Author | : Ganpat Singh Roonwal |
Publsiher | : Unknown |
Total Pages | : 0 |
Release | : 2012 |
Genre | : Iron industry and trade |
ISBN | : 8170357616 |
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Ancient Banded Iron Formations
Author | : J. J. Chauvel |
Publsiher | : Unknown |
Total Pages | : 480 |
Release | : 1990 |
Genre | : Formations (Geology) |
ISBN | : UCSD:31822005133764 |
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How Iron Ore Forms
Author | : Caroline Kennon |
Publsiher | : Gareth Stevens Publishing LLLP |
Total Pages | : 34 |
Release | : 2016-07-15 |
Genre | : Juvenile Nonfiction |
ISBN | : 9781482447132 |
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Without iron ore, we wouldnt have steel, and without steel, we wouldnt have the magnificent skyscrapers, bridges, and many other structures that demand building materials of considerable strength. In fact, about 98 percent of all mined iron ore is used in the production of steel. Future architects and engineers will discover how the mineral substance iron ore forms, where its found, and how its transformed through smelting into a useful industrial metal. Charts, diagrams, and photographs present more beneficial information, while sidebars help readers understand why iron ore is significant to their lives.
Survey of World Iron Ore Resources Occurence Appraisal and Use
Author | : United Nations. Committee of Experts on Iron Ore Resources |
Publsiher | : Unknown |
Total Pages | : 364 |
Release | : 1955 |
Genre | : Iron mines and mining |
ISBN | : STANFORD:36105120548727 |
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Selected References for Banded Iron formations and the Hamersley Province
Author | : Su E. Ho |
Publsiher | : Unknown |
Total Pages | : 42 |
Release | : 1997 |
Genre | : Formations (Geology) |
ISBN | : STANFORD:36105021155838 |
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Evolution of Early Earth s Atmosphere Hydrosphere and Biosphere
Author | : Stephen E. Kesler,Hiroshi Ohmoto |
Publsiher | : Geological Society of America |
Total Pages | : 350 |
Release | : 2006-01-01 |
Genre | : Science |
ISBN | : 9780813711980 |
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"The history of Earth's early atmosphere, hydrosphere, and biosphere, from Hadean through Proterozoic time, is one of geology's enduring puzzles. Ore deposits provide important insights into this history because they contain elements and minerals that are highly sensitive to the geochemical environment in which they form. Just what these minerals tell us remains a matter of considerable debate, however. When and how did life develop, an oxygen-rich atmosphere form, and sulfate dominate the ocean? This volume contains reports on these questions from both sides of the aisle for iron and manganese formations, uranium paleoplacers and hydrothermal deposits, and exhalative sulfides and oxides."--Publisher's website.