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Author : Y.P. Mel'nik
Publisher : Elsevier
ISBN 13 : 0080869041
Total Pages : 323 pages
Book Rating : 4.0/5 (88 download)
Download or read book Precambrian Banded-Iron-Formations written by Y.P. Mel'nik and published by Elsevier. This book was released on 1982-01-01 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: Precambrian Banded-Iron-Formations
Author : Desmond Fitzgerald Lascelles
Publisher : Nova Science Publishers
ISBN 13 : 9781536109719
Total Pages : 0 pages
Book Rating : 4.1/5 (97 download)
Download or read book Banded Iron Formations to Iron Ore written by Desmond Fitzgerald Lascelles and published by Nova Science Publishers. This book was released on 2017-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : A.F. Trendall
Publisher : Elsevier
ISBN 13 : 008086905X
Total Pages : 559 pages
Book Rating : 4.0/5 (88 download)
Download or read book Iron-Formation: Facts and Problems written by A.F. Trendall and published by Elsevier. This book was released on 2000-04-01 with total page 559 pages. Available in PDF, EPUB and Kindle. Book excerpt: Iron-Formation: Facts and Problems
Download or read book The Precambrian written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : IU. P. Melnik ((IUrii Petrovich))
Publisher :
ISBN 13 : 9780444419347
Total Pages : 310 pages
Book Rating : 4.4/5 (193 download)
Download or read book Precambrian Banded Iron-formations written by IU. P. Melnik ((IUrii Petrovich)) and published by . This book was released on 1982 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kaarel Mänd
Publisher : Cambridge University Press
ISBN 13 : 1009002279
Total Pages : 66 pages
Book Rating : 4.0/5 (9 download)
Download or read book Iron Formations as Palaeoenvironmental Archives written by Kaarel Mänd and published by Cambridge University Press. This book was released on 2022-01-20 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Télesphore Sime-Ngando
Publisher : Springer
ISBN 13 : 3319399616
Total Pages : 422 pages
Book Rating : 4.3/5 (193 download)
Download or read book Lake Pavin written by Télesphore Sime-Ngando and published by Springer. This book was released on 2016-10-31 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents the first multidisciplinary scientific work on a deep volcanic maar lake in comparison with other similar temperate lakes. The syntheses of the main characteristics of Lake Pavin are, for the first time, set in a firmer footing comparative approach, encompassing regional, national, European and international aquatic science contexts. It is a unique lake because of its permanently anoxic monimolimnion, and furthermore, because of its small surface area, its substantially low human influence, and by the fact that it does not have a river inflow. The book reflects the scientific research done on the general limnology, history, origin, volcanology and geological environment as well as on the geochemistry and biogeochemical cycles. Other chapters focus on the biology and microbial ecology whereas the sedimentology and paleolimnology are also given attention. This volume will be of special interest to researchers and advanced students, primarily in the fields of limnology, biogeochemistry, and aquatic ecology.
Author : Mingguo Zhai
Publisher : Springer
ISBN 13 : 3662478854
Total Pages : 389 pages
Book Rating : 4.6/5 (624 download)
Download or read book Precambrian Geology of China written by Mingguo Zhai and published by Springer. This book was released on 2015-08-11 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the first contribution to the overview of Precambrian geology of China. It covers Precambrian geology of the North China Craton, the South China Craton and the Tarim Craton, as well as other smaller blocks in the Chinese orogenic belts. It provides systematic concepts of the Chinese paleo-continents and incorporates the most up-to-date achievements. Edited by many of the active researchers working at the forefront of the related fields, it contributes greatly to the international Precambrian geology community and would be of interest to geoscientists working in the research field of geology of China and Precambrian geodynamics.
Author : R. Mazumder
Publisher : Geological Society of London
ISBN 13 : 1862397236
Total Pages : 349 pages
Book Rating : 4.8/5 (623 download)
Download or read book Precambrian Basins of India written by R. Mazumder and published by Geological Society of London. This book was released on 2015-04-02 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Memoir provides a comprehensive review of the Precambrian basins of the four Archaean nuclei of India (Dharwar, Bastar, Singhbhum and Aravalli-Bundelkhand), encompassing descriptions of the time-space distribution of sedimentary-volcanic successions, the interrelationship between tectonics and sedimentation, and basin histories. Studies of 22 basins within the framework of an international basin classification scheme deepen an understanding of the basin architecture especially for cratonic basins. Most Indian sedimentary successions formed as cratonic to extensional-margin rift and thermal-sag basins, some reflecting mantle plume movement, subcrustal heating or far-field stress. This Memoir shows that Phanerozoic plate-tectonic and sequence stratigraphic principles can be applied to the Precambrian basins of large Archaean provinces. The differences between the stratigraphic architecture of the Indian Precambrian and examples of Phanerozoic basin-fill successions elsewhere are ascribed to variable rates and intensities of the controls on accommodation and sediment supply, and changes inherent in the evolution of the hydrosphere-atmosphere and biosphere systems.
Author : William M. White
Publisher : Springer
ISBN 13 : 9783319393117
Total Pages : 1680 pages
Book Rating : 4.3/5 (931 download)
Download or read book Encyclopedia of Geochemistry written by William M. White and published by Springer. This book was released on 2018-07-24 with total page 1680 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia is a complete and authoritative reference work for this rapidly evolving field. Over 200 international scientists, each experts in their specialties, have written over 330 separate topics on different aspects of geochemistry including geochemical thermodynamics and kinetics, isotope and organic geochemistry, meteorites and cosmochemistry, the carbon cycle and climate, trace elements, geochemistry of high and low temperature processes, and ore deposition, to name just a few. The geochemical behavior of the elements is described as is the state of the art in analytical geochemistry. Each topic incorporates cross-referencing to related articles, and also has its own reference list to lead the reader to the essential articles within the published literature. The entries are arranged alphabetically, for easy access, and the subject and citation indices are comprehensive and extensive. Geochemistry applies chemical techniques and approaches to understanding the Earth and how it works. It touches upon almost every aspect of earth science, ranging from applied topics such as the search for energy and mineral resources, environmental pollution, and climate change to more basic questions such as the Earth’s origin and composition, the origin and evolution of life, rock weathering and metamorphism, and the pattern of ocean and mantle circulation. Geochemistry allows us to assign absolute ages to events in Earth’s history, to trace the flow of ocean water both now and in the past, trace sediments into subduction zones and arc volcanoes, and trace petroleum to its source rock and ultimately the environment in which it formed. The earliest of evidence of life is chemical and isotopic traces, not fossils, preserved in rocks. Geochemistry has allowed us to unravel the history of the ice ages and thereby deduce their cause. Geochemistry allows us to determine the swings in Earth’s surface temperatures during the ice ages, determine the temperatures and pressures at which rocks have been metamorphosed, and the rates at which ancient magma chambers cooled and crystallized. The field has grown rapidly more sophisticated, in both analytical techniques that can determine elemental concentrations or isotope ratios with exquisite precision and in computational modeling on scales ranging from atomic to planetary.
Author : J. J. Chauvel
Publisher :
ISBN 13 :
Total Pages : 480 pages
Book Rating : 4.:/5 (318 download)
Download or read book Ancient Banded Iron Formations written by J. J. Chauvel and published by . This book was released on 1990 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Simon W. Poulton
Publisher : Cambridge University Press
ISBN 13 : 1108848591
Total Pages : 34 pages
Book Rating : 4.1/5 (88 download)
Download or read book The Iron Speciation Paleoredox Proxy written by Simon W. Poulton and published by Cambridge University Press. This book was released on 2021-03-04 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: In one form or another, iron speciation has had a long history as a paleoredox proxy. The technique has been refined considerably over the years, and the most recent scheme is unique in its potential to distinguish three major oceanic redox states - oxygenated, ferruginous and euxinic. This Element covers the theory behind the proxy, methods involved in applying the technique, and potential complications in interpreting Fe speciation data. A series of case studies are also provided, which highlight how more advanced consideration of the data, often in concert with other techniques, can provide unprecedented insight into the redox state of ancient oceans.
Author : Trond H. Torsvik
Publisher : Cambridge University Press
ISBN 13 : 1107105323
Total Pages : 329 pages
Book Rating : 4.1/5 (71 download)
Download or read book Earth History and Palaeogeography written by Trond H. Torsvik and published by Cambridge University Press. This book was released on 2017 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a complete Phanerozoic story of palaeogeography, using new and detailed full-colour maps, to link surface and deep-Earth processes.
Author : Craig M. Bethke
Publisher : Cambridge University Press
ISBN 13 : 1139468324
Total Pages : 564 pages
Book Rating : 4.1/5 (394 download)
Download or read book Geochemical and Biogeochemical Reaction Modeling written by Craig M. Bethke and published by Cambridge University Press. This book was released on 2010-12-09 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of reaction processes in the Earth's crust and on its surface, both in the laboratory and in the field. A clear exposition of the underlying equations and calculation techniques is balanced by a large number of fully worked examples. The book uses The Geochemist's Workbench® modeling software, developed by the author and already installed at over 1000 universities and research facilities worldwide. Since publication of the first edition, the field of reaction modeling has continued to grow and find increasingly broad application. In particular, the description of microbial activity, surface chemistry, and redox chemistry within reaction models has become broader and more rigorous. These areas are covered in detail in this new edition, which was originally published in 2007. This text is written for graduate students and academic researchers in the fields of geochemistry, environmental engineering, contaminant hydrology, geomicrobiology, and numerical modeling.
Author : Brian Harold Mason
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.3/5 (121 download)
Download or read book Data of Geochemistry written by Brian Harold Mason and published by . This book was released on 1979 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andrew H. Knoll
Publisher : John Wiley & Sons
ISBN 13 : 1118280881
Total Pages : 876 pages
Book Rating : 4.1/5 (182 download)
Download or read book Fundamentals of Geobiology written by Andrew H. Knoll and published by John Wiley & Sons. This book was released on 2012-03-30 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt: 2012 PROSE Award, Earth Science: Honorable Mention For more than fifty years scientists have been concerned with the interrelationships of Earth and life. Over the past decade, however, geobiology, the name given to this interdisciplinary endeavour, has emerged as an exciting and rapidly expanding field, fuelled by advances in molecular phylogeny, a new microbial ecology made possible by the molecular revolution, increasingly sophisticated new techniques for imaging and determining chemical compositions of solids on nanometer scales, the development of non-traditional stable isotope analyses, Earth systems science and Earth system history, and accelerating exploration of other planets within and beyond our solar system. Geobiology has many faces: there is the microbial weathering of minerals, bacterial and skeletal biomineralization, the roles of autotrophic and heterotrophic metabolisms in elemental cycling, the redox history in the oceans and its relationship to evolution and the origin of life itself.. This book is the first to set out a coherent set of principles that underpin geobiology, and will act as a foundational text that will speed the dissemination of those principles. The chapters have been carefully chosen to provide intellectually rich but concise summaries of key topics, and each has been written by one or more of the leading scientists in that field.. Fundamentals of Geobiology is aimed at advanced undergraduates and graduates in the Earth and biological sciences, and to the growing number of scientists worldwide who have an interest in this burgeoning new discipline. Additional resources for this book can be found at: http://www.wiley.com/go/knoll/geobiology.
Author : Peter A. Scholle
Publisher : AAPG
ISBN 13 : 0891813071
Total Pages : 405 pages
Book Rating : 4.8/5 (918 download)
Download or read book Sandstone Depositional Environments written by Peter A. Scholle and published by AAPG. This book was released on 1982 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt:
