Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 578

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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 272

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Author: Washington (State). Division of Geology and Earth Resources
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 612

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 282

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Author: C.J. Allègre
Publisher: Elsevier
ISBN: 1483289591
Category : Nature
Languages : en
Pages : 285

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Trace Elements in Igneous Petrology, 5: Developments in Petrology: A Volume in Memory of Paul W. Gast focuses on the contributions and influence of Gast in petrology, including crystallization, magmatic processes, isotopic composition, and ocean ridge basalt chemistry. The selection first takes a look at quantitative models of trace element behavior in magmatic processes; application of trace elements to the petrogenesis of igneous rocks of granitic composition; and an assessment of local and regional isotopic equilibrium in the mantle. Discussions focus on evidence derived from time constraints, scale of isotopic disequilibrium, fractional crystallization, trace element modeling, geodynamics and tectonic setting, partition coefficients, quantitative models for trace elements, and parameter determination and inverse-problem solution. The publication then examines the isotopic composition of lead in oceanic basalt and its implication to mantle evolution; strontium isotopes in basalts from the Pacific Ocean basin; and trace elements in ocean ridge basalts. Concerns cover variations in ocean ridge basalt chemistry, trace elements in ocean ridge basalts, disequilibrium partial melting, seawater alteration, background for lead isotope tracer studies, and uranium, thorium, and lead concentrations in basalts. The book examines trace elements and anorthosite genesis, lead isotopes in Archaean plutonic rocks, early Archaean rocks and geochemical evolution of the earth's crust, and factors controlling the noble gas abundance patterns of deep-sea basalts. The selection is a valuable source of data for researchers interested in petrology.

Author: Connie Manson
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 416

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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 234

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Author: Dederick C. Ward
Publisher: Geological Society of America
ISBN: 0813721431
Category : Dissertations, Academic
Languages : en
Pages : 449

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Author: Gunter Faure
Publisher: Springer Science & Business Media
ISBN: 3662044749
Category : Science
Languages : en
Pages : 506

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The origin of different kinds of igneous rocks can be understood in terms of their tectonic setting, and by way of the isotope compositions of strontium, neodymium, and lead. This book explains the petrogenesis of igneous rocks as a consequence of tectonic processes resulting from interactions between asthenopheric plumes and the overlying lithospheric mantle. The relevant principles of isotope geochemistry are explained in the first chapter, making it accessible for university students as well as professionals. The relevant isotopic data is presented in diagrammatic form. The book contains more than 400 original drawings.

Author:
Publisher:
ISBN:
Category : Geological surveys
Languages : en
Pages : 728

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