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| Author | : Rudolf Ruedemann |
| Publisher | : |
| Total Pages | : 102 |
| Release | : 1922 |
| Genre | : Geology, Stratigraphic |
| ISBN | : |
| Author | : Alan M. Goodwin |
| Publisher | : Elsevier |
| Total Pages | : 681 |
| Release | : 2016-02-06 |
| Genre | : Science |
| ISBN | : 1483288552 |
The main goal of this book is to provide a modern comprehensive statement on the Earth's Precambrian crust. It uses geographic and tectonic location, lithostratigraphy, geochronology, and petrogenesis as a basis for considering Precambrian coastal evolution--including the role of plate tectonics. Detailed consideration is given to the endogenic and exogenic processes which formed the continental crust and also to its subsequent secular evolution across Precambrian time**An essential reference volume for every Precambrian geologist.
| Author | : Guochun Zhao |
| Publisher | : Newnes |
| Total Pages | : 205 |
| Release | : 2013-11-16 |
| Genre | : Science |
| ISBN | : 0124076521 |
The North China Craton is one of the oldest cratonic blocks in the world, containing rocks as old as 3.85 billion years. Focusing on Neoarchean mantle plumes and Paleoproterozoic plate tectonics, this book combines the results from modern geological research to provide you with a detailed synthesis of the geology, structure, and evolution of the North China Craton. It will be of value to anyone interested in the evolution of cratonic blocks and Precambrian geology as well as geoscientists interested in applying tectonic models to other cratonic blocks globally. This work will also be of interest to geologists concerned with the problems of structure and evolution of the Precambrian continents and supercontinents. The first book to apply mantle plume and plate tectonics models to understanding the Neoarchean accretion and Paleoproterozoic amalgamation of a craton Features more than 75 geologic maps, illustrations, diagrams, and microphotographs depicting the progressive stages of the North China Craton’s Precambrian evolution Authored by one of the world’s foremost experts in cratonic evolution and mantle plume and plate tectonic modeling
| Author | : Alan M. Goodwin |
| Publisher | : Elsevier |
| Total Pages | : 339 |
| Release | : 1996-06-18 |
| Genre | : Science |
| ISBN | : 0080539696 |
Principles of Precambrian Geologyis an update to the 1991 book, Precambrian Geology: The Dynamic Evolution of the Continental Crust, by the same author. The new edition covers the same topics in a more concise and accessible format and is replete with explanatory figures, tables, and illustrations. The book serves as a modern comprehensive statement on the Earth's Precambrian crust, covering the main aspects of distribution, lithiostratigraphy, age, and petrogenesis of Precambrian rocks by continent within the context of the Earth's evolving continental crust. Principles of Precambrian Geology provides a suitable framework for assessing various Earth dynamic and biospheric hypotheses, including the modern plate tectonic paradigm and the Gaian hypothesis. Despite the concise format, the new edition provides extensive updated references to support the information presented. It is designed to serve the needs of student, teacher, explorationist and general student of the continental crust. Updated to provide more concise accessible information Extensive illustrations, tabulations, and maps Provides a framework for assessing recent hypothesis on Earth dynamics Covers main aspects of distribution, lithostratigraphy, age, and protogenesis of Precambrian rocks
| Author | : Wladyslaw Altermann |
| Publisher | : John Wiley & Sons |
| Total Pages | : 464 |
| Release | : 2009-03-05 |
| Genre | : Science |
| ISBN | : 1444304321 |
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
| Author | : P.G. Eriksson |
| Publisher | : Elsevier |
| Total Pages | : 967 |
| Release | : 2004-03-04 |
| Genre | : Science |
| ISBN | : 008054259X |
In this book the editors strive to cover all primary (i.e. non-applied) topics in Precambrian geology in a non-partisan way, by using a large team of international authors to present their datasets and highly divergent viewpoints. The chapters address: celestial origins of Earth and succeeding extraterrestrial impact events; generation of continental crust and the greenstone-granite debate; the interaction of mantle plumes and plate tectonics over Precambrian time; Precambrian volcanism, emphasising komatiite research; evolution and models for Earth's hydrosphere and atmosphere; evolution of life and its influence on Precambrian ocean chemistry and chemical sedimentation; sedimentation through Precambrian time; the application of sequence stratigraphy to the Precambrian rock record. Each topic is introduced and a non-partisan closing commentary provided at the end of each chapter. The final chapter blends the major geological events and rates at which important processes occurred into a synthesis, which postulates a number of "event clusters" in the Precambrian when significant changes occurred in many natural systems and geological environments. Also available in paperback, ISBN: 0-444-51509-7
| Author | : S.M. Naqvi |
| Publisher | : Elsevier |
| Total Pages | : 687 |
| Release | : 1990-09-06 |
| Genre | : Science |
| ISBN | : 0080869076 |
Since 1964, the time when the Upper Mantle Project was started, the Precambrian continental crust has been studied in considerable detail in many areas. Multidisciplinary studies, using modern tools and techniques have resulted in increasing levels of accuracy. The Precambrian continental crust has been subjected to several thermal events and multiple episodes of deformation. These events have obliterated the scenario produced by early events and present-day efforts are directed towards evaluating the cause-effect processes of each event. How far back the known geological processes of the Phanerozoic can be extended into the Precambrian is one of the main questions. The present volume provides data and interpretations which will help in formulating the answer to some of these questions.The book contains 30 contributions resulting from researches on almost all the important Precambrian terranes.
| Author | : Cyril Ponnamperuma |
| Publisher | : Elsevier |
| Total Pages | : 234 |
| Release | : 2013-10-22 |
| Genre | : Science |
| ISBN | : 1483269779 |
Chemical Evolution of the Early Precambrian is a collection of papers presented at the Second College Park Colloquium on Chemical Evolution, held at the University of Maryland in October 1975. The book presents the discussions on the processes that led to the beginning of life on earth based on information gathered from the study of the Early Precambrian period. Topics on the origin of the atmosphere; early Precambrian weathering and sedimentation; carbon contents of early Precambrian rocks; and the establishment of the earliest date in the Precambrian period at which unambiguous living forms existed are expounded in the text. Geologists, biologists, chemists, paleobiologists, and students will find the book insightful and interesting.
| Author | : John J. W. Rogers |
| Publisher | : Oxford University Press |
| Total Pages | : 298 |
| Release | : 2004-09-16 |
| Genre | : Science |
| ISBN | : 0195347331 |
To this day, there is a great amount of controversy about where, when and how the so-called supercontinents--Pangea, Godwana, Rodinia, and Columbia--were made and broken. Continents and Supercontinents frames that controversy by giving all the necessary background on how continental crust is formed, modified, and destroyed, and what forces move plates. It also discusses how these processes affect the composition of seawater, climate, and the evolution of life. Rogers and Santosh begin with a survey of plate tectonics, and go on to describe the composition, production, and destruction of continental and oceanic crust, and show that cratons or assemblies of cratons became the first true continents, approximately one billion years after the earliest continental crust evolved. The middle part of the book concentrates on supercontinents, beginning with a discussion of types of orogenic belts, distinguishing those that formed by closure of an ocean basin within the belt and those that formed by intracontinental deformation caused by stresses generated elsewhere. This information permits discrimination between models of supercontinent formation by accretion of numerous small terranes and by reorganization of large old continental blocks. This background leads to a description of the assembly and fragmentation of supercontinents throughout earth history. The record is most difficult to interpret for the oldest supercontinent, Columbia, and also controversial for Rodinia, the next youngest supercontinent. The configurations and pattern of breakup of Gondwana and Pangea are well known, but some aspects of their assembly are unclear. The book also briefly describes the histories of continents after the breakup of Pangea, and discusses how changes in the composition of seawater, climate, and life may have been affected by the sizes and locations of continents and supercontinents.
| Author | : Anastasia Kokkinou |
| Publisher | : |
| Total Pages | : 56 |
| Release | : 2018-03-21 |
| Genre | : |
| ISBN | : 9783668665446 |
Seminar paper from the year 2016 in the subject Earth Science / Geography - General, Basics, grade: 95%, Ruhr-University of Bochum (Institute of MIneralogy), course: Structural Geology, language: English, abstract: This assignment exhibits the period since Earth has formed until boundary conditions and tectonics started to stabilize. This period is called Precambrian and consists the 7/8 of Earth's history. Precambrian lasts 3,9 Ga and is separated into three Eons, Hadean, Archean and Proterozoic with respect to time occurrence. Earth loses heat through time due to gradually decrease in decay of radiogenic isotopes which are dispersed into the core, mantle and continental crust. Therefore, Earth composition and tectonics distinctly change. Tectonics generally change from vertical patterns to horizontal and the continental crust forms until the end of the Precambrian to the 82% of the overall crust, covering Earth now. Moreover, different movements of Supercontinents which fragmented, dispersed and collided where studied through geological, paleomagnetic and paleoclimatic studies.
