A Study Of Precambrian Banded Iron Formation

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A Study Of Precambrian Banded Iron Formation

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Author : Rade Calich
language : en
Publisher:
Release Date : 1954

A Study Of Precambrian Banded Iron Formation written by Rade Calich and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with categories.

Precambrian Banded Iron Formations

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Author : Y.P. Mel'nik
language : en
Publisher: Elsevier
Release Date : 1982-01-01

Precambrian Banded Iron Formations written by Y.P. Mel'nik and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982-01-01 with Science categories.

Precambrian Banded-Iron-Formations

Precambrian Banded Iron Formations

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Author : IU. P. Melnik ((IUrii Petrovich))
language : en
Publisher:
Release Date : 1982

Precambrian Banded Iron Formations written by IU. P. Melnik ((IUrii Petrovich)) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.

Precambrian Sedimentary Environments

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Author : Wladyslaw Altermann
language : en
Publisher: John Wiley & Sons
Release Date : 2009-03-05

Precambrian Sedimentary Environments written by Wladyslaw Altermann and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-05 with Science categories.

The motivation for this volume came from the idea that thePrecambrian is the key, both to the present, and to theunderstanding of the Earth as a whole. The Precambrian constitutesabout 85% of Earth's history, and of that, about 3.75 billion yearsof Precambrian time, represented by rocks, are accessible togeoscientists. Ancient atmospheric and environmental conditions canbe traced back to the time when the Earth was only about 250million years old. Precambrian rocks supply almost 75% of importantmineral resources such as Fe, Mn, Au, Pt and Cr. Many of theseelements are associated with sedimentary rocks and some importanthydrocarbon, coal and graphite deposits are also hosted byPrecambrian rocks. This volume is aimed at geoscientists interested in Precambriansedimentary rocks and at students of Earth history. It containsreview articles discussing Precambrian conditions and case studiesfrom Precambrian shields and successions of North and SouthAmerica, Australia, Africa, Europe, Asia and India. Theintroductory papers, written by experts on Precambrianenvironments, treat comprehensively the application of actualism tothe Precambrian, the evolution and influence of life on thesedimentary rock record, the genesis of Banded Iron Formations, thePrecambrian sulphur cycle and the significance of Precambrianchemical carbonate precipitates. The case studies includedepositional settings and processes in Archean terranes, inPaleoproterozoic sequences, with some emphasis on the lack ofvegetation and weathering, and in late Proterozoic sequences, withsome emphasis on glacial deposits. The contributions demonstratethat Precambrian sedimentary deposits are commonly similar to theirPhanerozoic counterparts in terms of composition, sedimentaryprocesses, and depositional setting, but may differ significantlyas a result of lack of vegetation, climatic and biologicalconstraints, composition and circulation of seawater, and thesecular involvement of continental crust. Contains review articles discussing Precambrian conditions andcase studies from Precambrian shields and successions of North andSouth America, Australia, Africa, Europe, Asia and India. The introductory papers, written by experts on Precambrianenvironments, treat comprehensively the application of actualism tothe Precambrian, the evolution and influence of life on thesedimentary rock record, the genesis of Banded Iron Formations, thePrecambrian sulphur cycle and the significance of Precambrianchemical carbonate precipitates. Detailed case studies include depositional settings andprocesses in Archean terranes, in Paleoproterozoic sequences, withsome emphasis on the lack of vegetation and weathering, and in lateProterozoic sequences, with some emphasis on glacialdeposits. Written for geoscientists interested in Precambrian sedimentaryrocks and students of Earth history. If you are a member of the International Association ofSedimentologists (IAS), for purchasing details, please see:http://www.iasnet.org/publications/details.asp?code=SP33

Neodymium Isotopic Studies Of Precambrian Banded Iron Formations

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Author : Mario Rafael Pimentel Klose
language : en
Publisher:
Release Date : 1986

Neodymium Isotopic Studies Of Precambrian Banded Iron Formations written by Mario Rafael Pimentel Klose and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Geology, Stratigraphic categories.

Banded Iron Formations To Iron Ore

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Author : Desmond Fitzgerald Lascelles
language : en
Publisher: Nova Science Publishers
Release Date : 2017-06

Banded Iron Formations To Iron Ore written by Desmond Fitzgerald Lascelles and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06 with Iron categories.

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.

Geochemical Studies Precambrian Banded Iron Formations And Acid Based Buffers

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Author : I-Ming Chou
language : en
Publisher:
Release Date : 1974

Geochemical Studies Precambrian Banded Iron Formations And Acid Based Buffers written by I-Ming Chou and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.

Ancient Banded Iron Formations

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Author : J. J. Chauvel
language : en
Publisher:
Release Date : 1990

Ancient Banded Iron Formations written by J. J. Chauvel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Formations (Geology) categories.

Precambrian Banded Iron Formations

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Author : I︠U︡. P. Mel'nik
language : en
Publisher:
Release Date : 1982

Precambrian Banded Iron Formations written by I︠U︡. P. Mel'nik and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.

Selected References For Banded Iron Formations And The Hamersley Province

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Author : Su E. Ho
language : en
Publisher:
Release Date : 1997

Selected References For Banded Iron Formations And The Hamersley Province written by Su E. Ho and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Formations (Geology) categories.