Abstracts Of The Eighth International Conference On Geochronology Cosmochronology And Isotope Geology

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Abstracts of the Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology

Author : Marvin A. Lanphere,G. Brent Dalrymple,Brent D. Turrin
Publisher : Unknown
Page : 404 pages
File Size : 52,8 Mb
Release : 1994
Category : Cosmochronology
ISBN : WISC:89054735295

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Abstracts of the Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology by Marvin A. Lanphere,G. Brent Dalrymple,Brent D. Turrin Pdf

Abstracts of the Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology

Author : M. A. Lanphere,G. Brent Dalrymple,Brent D. Turrin
Publisher : DIANE Publishing
Page : 398 pages
File Size : 46,9 Mb
Release : 1994
Category : Science
ISBN : 0788113496

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Abstracts of the Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology by M. A. Lanphere,G. Brent Dalrymple,Brent D. Turrin Pdf

Abstracts taken from 1994 conference in Geochronology, Cosmochronology and Isotope Geology. Abstracts are organized alphabetically by first author and were printed as recieved from the author-prepared copy. The Author index is comprehensive and includes all authors.

Earth Processes

Author : Asish Basu,Stan Hart
Publisher : American Geophysical Union
Page : 444 pages
File Size : 43,5 Mb
Release : 1996-01-09
Category : Science
ISBN : 9780875900773

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Earth Processes by Asish Basu,Stan Hart Pdf

Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 95. Publication of this monograph will coincide, to a precision of a few per mil, with the centenary of Henri Becquerel's discovery of "radiations actives" (C. R. Acad. Sci., Feb. 24, 1896). In 1896 the Earth was only 40 million years old according to Lord Kelvin. Eleven years later, Boltwood had pushed the Earth's age past 2000 million years, based on the first U/Pb chemical dating results. In exciting progression came discovery of isotopes by J. J. Thomson in 1912, invention of the mass spectrometer by Dempster (1918) and Aston (1919), the first measurement of the isotopic composition of Pb (Aston, 1927) and the final approach, using Pb-Pb isotopic dating, to the correct age of the Earth: close-2.9 Ga (Gerling, 1942), closer-3.0 Ga (Holmes, 1949) and closest-4.50 Ga (Patterson, Tilton and Inghram, 1953).

Geological Survey of Canada, Open File 3228

Author : Anonim
Publisher : Natural Resources Canada
Page : 277 pages
File Size : 49,5 Mb
Release : 2024-07-01
Category : Electronic
ISBN : 8210379456XXX

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Geological Survey of Canada, Open File 3228 by Anonim Pdf

Precambrian Geology of Finland

Author : Martti Lehtinen,Pekka A. Nurmi,O.T. Ramo
Publisher : Elsevier
Page : 750 pages
File Size : 48,9 Mb
Release : 2005-11-29
Category : Science
ISBN : 0080457592

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Precambrian Geology of Finland by Martti Lehtinen,Pekka A. Nurmi,O.T. Ramo Pdf

Focusing on the Precambrian in the central part of the Fennoscandian Shield, the book combines the results from modern geological and geophysical research into a detailed petrologic, lithologic, and structural synthesis and interpretation of the Archean and Proterozoic of Finland. It will be of value to anyone interested in the evolution of the shield in particular and in Precambrian geology in general.

Dyke Swarms - Time Markers of Crustal Evolution

Author : E. Hanski,S. Mertanen,T. Rämö,Jouni Vuollo
Publisher : CRC Press
Page : 282 pages
File Size : 41,8 Mb
Release : 2006-09-28
Category : Science
ISBN : 9781000006711

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Dyke Swarms - Time Markers of Crustal Evolution by E. Hanski,S. Mertanen,T. Rämö,Jouni Vuollo Pdf

Dyke swarms are remnants of large igneous provinces, and are pointers of continental break-up events, as well as indicators for ancient continental reconstructions. These global geodynamic aspects are of crucial significance in tectonics, and with recent developments in high-precision age, dating it has become possible to enter these short-lived ma

Precambrian Sedimentary Environments

Author : Wladyslaw Altermann,Patricia Corcoran
Publisher : John Wiley & Sons
Page : 464 pages
File Size : 46,9 Mb
Release : 2009-03-05
Category : Science
ISBN : 9781444304329

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Precambrian Sedimentary Environments by Wladyslaw Altermann,Patricia Corcoran Pdf

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

Ordovician K-bentonites of eastern North America

Author : Dennis R. Kolata,Warren D. Huff,Stig M. Bergstrom
Publisher : Geological Society of America
Page : 94 pages
File Size : 47,8 Mb
Release : 1996-01-01
Category : Science
ISBN : 9780813723136

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Ordovician K-bentonites of eastern North America by Dennis R. Kolata,Warren D. Huff,Stig M. Bergstrom Pdf