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Author: Steffen Gerd Hagemann
Publisher:
ISBN: 9781934969076
Category : Iron ores
Languages : en
Pages : 414
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Book Description
Author: Steffen Gerd Hagemann
Publisher:
ISBN: 9781934969076
Category : Iron ores
Languages : en
Pages : 414
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Book Description
Author: Desmond Fitzgerald Lascelles
Publisher: Nova Science Publishers
ISBN: 9781536109719
Category : Nature
Languages : en
Pages : 0
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Book Description
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.
Author: Richard E. Ernst
Publisher: Geological Society of America
ISBN: 9780813723525
Category : Science
Languages : en
Pages : 604
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Book Description
Author: Kent C. Condie
Publisher: Academic Press
ISBN: 0123852285
Category : Science
Languages : en
Pages : 593
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Book Description
Earth as an Evolving Planetary System, Second Edition, explores key topics and questions relating to the evolution of the Earth's crust and mantle over the last four billion years. This updated edition features exciting new information on Earth and planetary evolution and examines how all subsystems in our planet—crust, mantle, core, atmosphere, oceans and life—have worked together and changed over time. It synthesizes data from the fields of oceanography, geophysics, planetology, and geochemistry to address Earth's evolution. This volume consists of 10 chapters, including two new ones that deal with the Supercontinent Cycle and on Great Events in Earth history. There are also new and updated sections on Earth's thermal history, planetary volcanism, planetary crusts, the onset of plate tectonics, changing composition of the oceans and atmosphere, and paleoclimatic regimes. In addition, the book now includes new tomographic data tracking plume tails into the deep mantle. This book is intended for advanced undergraduate and graduate students in Earth, Atmospheric, and Planetary Sciences, with a basic knowledge of geology, biology, chemistry, and physics. It also may serve as a reference tool for structural geologists and professionals in related disciplines who want to look at the Earth in a broader perspective. - Kent Condie's corresponding interactive CD, Plate Tectonics and How the Earth Works, can be purchased from Tasa Graphic Arts here: http://www.tasagraphicarts.com/progptearth.html - Two new chapters on the Supercontinent Cycle and on Great Events in Earth history - New and updated sections on Earth's thermal history, planetary volcanism, planetary crusts, the onset of plate tectonics, changing composition of the oceans and atmosphere, and paleoclimatic regimes - Also new in this Second Edition: the lower mantle and the role of the post-perovskite transition, the role of water in the mantle, new tomographic data tracking plume tails into the deep mantle, Euxinia in Proterozoic oceans, The Hadean, A crustal age gap at 2.4-2.2 Ga, and continental growth
Author: A.F. Trendall
Publisher: Elsevier
ISBN: 008086905X
Category : Science
Languages : en
Pages : 559
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Book Description
Iron-Formation: Facts and Problems
Author: Max Roesler
Publisher:
ISBN:
Category : Iron ores
Languages : en
Pages : 186
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Book Description
Author: György Bárdossy
Publisher:
ISBN: 9789630553261
Category : Bauxite
Languages : en
Pages : 624
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Book Description
Author: Mu Ramkumar
Publisher: Elsevier
ISBN: 0124199828
Category : Science
Languages : en
Pages : 539
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Book Description
Chemostratigraphy: Concepts, Techniques, and Applications is the first collection of contributed articles that introduces young geoscientists to the discipline while providing seasoned practitioners with a standard reference that showcases the topic's most recent research and application developments. This multi-contributed reference on one of the youngest and most dynamic branches of the geosciences includes articles from some of the world's leading researchers. This book is a one-stop source of chemostratigraphy theory and application, helping geoscientists navigate through the wealth of new research that has emerged in recent years. - Edited by one of the world's foremost chemostratigraphy experts - Features contributed articles from a broad base of topics including stratigraphic correlation, hydrocarbon exploration, reservoir characterization, and paleo-climatic interpretation - Includes a range of application-based case studies addressing spatio-temporal scales for practical, field-specific concepts
Author: Dieter K. Fütterer
Publisher: Springer Science & Business Media
ISBN: 354032934X
Category : Science
Languages : en
Pages : 473
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Book Description
Sixty articles arranged in eight thematic sections refer to most recent geological and geophysical results of Antarctic research. The Precambrian of the East Antarctic shield and its geological history is considered as well as sub-ice topography, geophysics and stratigraphy, sedimentology and geophysics of the surrounding Southern Ocean. Particular emphasis is given to the connection of the Antarctic and the surrounding continents when forming part of Gondwana.
Author: Brian Harold Mason
Publisher:
ISBN:
Category : Cosmochemistry
Languages : en
Pages : 148
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Book Description
