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Iron Formations As Palaeoenvironmental Archives
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Book Synopsis Iron Formations as Palaeoenvironmental Archives by : Kaarel Mänd
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.
Book Synopsis Precambrian Banded-Iron-Formations by : Y.P. Mel'nik
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
Book Synopsis Paleoenvironmental Classification of Iron Formations by : Michael M. Kimberley
Download or read book Paleoenvironmental Classification of Iron Formations written by Michael M. Kimberley and published by . This book was released on 1978 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ancient Banded Iron Formations by : J. J. Chauvel
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:
Book Synopsis Precambrian Banded Iron-formations by : IU. P. Melnik ((IUrii Petrovich))
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:
Book Synopsis Selected References for Banded Iron-formations and the Hamersley Province by : Su E. Ho
Download or read book Selected References for Banded Iron-formations and the Hamersley Province written by Su E. Ho and published by . This book was released on 1997 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Yedoma Permafrost Landscapes as Past Archives, Present and Future Change Areas by : Lutz Schirrmeister
Download or read book Yedoma Permafrost Landscapes as Past Archives, Present and Future Change Areas written by Lutz Schirrmeister and published by Frontiers Media SA. This book was released on 2022-06-30 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Precambrian Iron-formations by : Peter W. Uitterdijk Appel
Download or read book Precambrian Iron-formations written by Peter W. Uitterdijk Appel and published by . This book was released on 1987 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reading the Archive of Earth’s Oxygenation by : Victor Melezhik
Download or read book Reading the Archive of Earth’s Oxygenation written by Victor Melezhik and published by Springer Science & Business Media. This book was released on 2012-10-22 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earth’s present-day environments are the outcome of a 4.5 billion year period of evolution reflecting the interaction of global-scale geological and biological processes punctuated by several extraordinary events and episodes that perturbed the entire Earth system. One of the earliest and arguably greatest of these events was a substantial increase (orders of magnitude) in the atmospheric oxygen abundance, sometimes referred to as the Great Oxidation Event. Volume 1: The Palaeoproterozoic of Fennoscandia as Context for the Fennoscandian Arctic Russia - Drilling Earth Project describes the implementation of the FAR-DEEP drilling project in Arctic Russia. It summarises the knowledge of more than 50 years of largely Russian-led fieldwork, information hitherto virtually unavailable in the west, and provides geological description of drilling areas with an overwhelming illustration of rocks by high-quality, representative photographs. The volume offers a comprehensive review and rich photo-illustration of palaeotectonic, palaeogeographic and magmatic evolution of the Fennoscandian Shield in the early Palaeoproterozoic, and link the evolution of the shield to the emergence of an aerobic Earth system. The volume unfolds the event-based Fennoscandian chronostratigraphy and discusses the chronology of the Palaeoproterozoic global events as the base for a new subdivision of Palaeoproterozoic time. Welcome to the illustrative journey through one of the most exciting periods of planet Earth!
Book Synopsis The Origin of the Precambrian Banded Iron Formations by : J. E. Maynard
Download or read book The Origin of the Precambrian Banded Iron Formations written by J. E. Maynard and published by . This book was released on 1932 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of Caves by : William B. White
Download or read book Encyclopedia of Caves written by William B. White and published by Academic Press. This book was released on 2019-05-10 with total page 1250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Encyclopedia of Caves, Third Edition, provides detailed background information to anyone with a serious interest in caves. This includes students, both undergraduate and graduate, in the earth, biological and environmental sciences, and consultants, environmental scientists, land managers and government agency staff whose work requires them to know something about caves and the biota that inhabit them. Caves touch on many scientific interests in geology, climate science, biology, hydrology, archaeology, and paleontology, as well as more popular interests in sport caving and cave exploration. Case studies and descriptions of specific caves selected for their special features and public interest are also included. This book will appeal to these audiences by providing in-depth essays written by expert authors chosen for their expertise in their assigned subject. Features 14 new chapters and 13 completely rewritten chapters Contains beautifully illustrated content, with more than 500 color images of cave life and features Provides extensive bibliographies that allow readers to access their subject of interest in greater depth
Book Synopsis Holocene Palaeoenvironmental History of the Central Sahara by : Roland Baumhauer
Download or read book Holocene Palaeoenvironmental History of the Central Sahara written by Roland Baumhauer and published by CRC Press. This book was released on 2009-02-27 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: The environmental setting within the Central Sahara was subject to considerable changes during Late Quaternary, mainly driven by major global climate variations, although human impact increased constantly since Early Holocene.Such global events can be reconstructed with the help of reliefs, sediments and palaeosoils and their specific morphological
Book Synopsis Precambrian Banded Iron Formation of India by :
Download or read book Precambrian Banded Iron Formation of India written by and published by . This book was released on 1986 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Iron Formations of the Precambrian Hamersley Group, Western Australia with Special Reference to the Associated Crocidolite by : Alec Francis Trendall
Download or read book The Iron Formations of the Precambrian Hamersley Group, Western Australia with Special Reference to the Associated Crocidolite written by Alec Francis Trendall and published by . This book was released on 1970 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ancient banded iron formations (regional presentations) by : Jean-Jacques Chauvel
Download or read book Ancient banded iron formations (regional presentations) written by Jean-Jacques Chauvel and published by . This book was released on 1990 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnesium Isotopes by : Edward T. Tipper
Download or read book Magnesium Isotopes written by Edward T. Tipper and published by Cambridge University Press. This book was released on 2022-03-03 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnesium is a major constituent in silicate and carbonate minerals, the hydrosphere and the biosphere. Magnesium is constantly cycled between these reservoirs. Since each of the major planetary reservoirs of magnesium have different magnesium isotope ratios, there is scope to use magnesium isotope ratios to trace 1) the processes that cycle Magnesium at a spatial scales from the entire planet to microscopic and 2) the relative fluxes between these reservoirs. This review summarises some of the key motivations, successes and challenges facing the use of magnesium isotopes to construct a budget of seawater magnesium, present and past.
Book Synopsis Sr Isotopes in Seawater by : B. Lynn Ingram
Download or read book Sr Isotopes in Seawater written by B. Lynn Ingram and published by Cambridge University Press. This book was released on 2022-03-31 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies of Sr isotopic composition of thousands of samples of marine sediments and fossils have yielded a curve of 87Sr/86Sr versus age for seawater Sr that extends back to 1 billion years. The ratio has fluctuated with large amplitude during this time period, and because the ratio is always uniform in the oceans globally at any one time, it is useful as a stratigraphic correlation and age-dating tool. The ratio also appears to reflect major tectonic and climatic events in Earth history and hence provides clues as to the causes, timing, and consequences of those events. The seawater 87Sr/86Sr ratio is generally high during periods marked by continent-continent collisions, and lower when continental topography is subdued, and seafloor generation rates are high. There is evidence that major shifts in the seawater ratio can be ascribed to specific orogenic events and correlate with large shifts in global climate.
