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Author:   Cl.J. Allègre ,  R.N. Varney ,  G. Michard ,  G. Michard
Publisher:   Springer
Imprint:   Kluwer Academic Publishers
Edition:   1974 ed.
Volume:   10
Weight:   0.454kg
ISBN:  

9789027704979

ISBN 10:   902770497
Pages:   143
Publication Date:   31 December 1974
Audience:   College/higher education ,  Adult education ,  Undergraduate ,  Further / Higher Education
Format:   Hardback
Publisher's Status:   Active
Availability:   Out of stock  
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Table of Contents

1 / The Earth as a Chemical System.- 1.1. The Earth within the Solar System.- 1.2. The Scale of Time.- 1.3. The Overall Chemical Composition of the Earth, the Solar System, and the Universe.- 1.4. Chemical Compounds in the Solar System: Cosmological Minerals.- 1.5. Chemical Constitution of the Earth.- 1.6. Geochemical Classification.- 1.7. The Earth as a Chemical Factory.- 2 / The Equilibria of Phases in the Lithosphere.- 2.1. Metamorphic Equilibria.- 2.2. Phase Equilibria in the Silicate Magmas.- 2.3. Magmatism or Metamorphism. The Conditions for Their Appearance.- 3 / Chemical Equilibria in the Hydrosphere.- 3.1. Chemical Reactions in the Hydrosphere.- 3.2. Study of the Saturation of Sea Water with Calcite.- 4 / The Geochemical Fractionation of Trace Elements.- Partition of a Trace Element between Two Phases.- 4.1. Fractionation of the Trace Elements in Magmatic Processes.- 4.2. Trapping of Trace Elements in Sediments.- 5 / Irreversible Processes of Element Transfer.- 5.1. Evaluation of the Transfer of Elements during Irreversible Geochemical Processes.- 5.2. Box Model.- 5.3. Chemical Diffusion-Reaction Coupling.- 5.4. Deposit of Manganese in Ocean Depths.- 6 / The Fractionation of the Light Isotopes.- 6.1. The Evidence Concerning the Natural Fractionation of Isotopes.- 6.2. The Modes of Isotopic Fractionation.- 6.3. Relationship between ? and ?.- 6.4. The 18O/16O Isotopic Composition of the Silicates and Geothermometry.- 6.5. Isotopic Composition 32S/34S of Sulfide Ore Deposits.- 6.6. Some Aspects of the Water Cycle and the Associated Isotopic Fractionation.- 7 / Fractionation of Radioactive Isotopes and Isotopes of Radioactive Origin.- 7.1. General Equation for the Evolution of a Radioactive System.- 7.2. Evaluation of the Functions G (t) and J (t) and thePotassium-Argon Time Scale.- 7.3. Isotopic Re-Equilibration of Strontium During Metamorphism.- 7.4. Loss of Radiogenic Elements in Rich Systems and Chronology of U-Th-Pb From Zircons.- 7.5. Evolution and Nature of the Earth’s Mantle.- 7.6. Evolution of the Initial Ratios of (87Sr/86Sr) and (206Pb/204Pb) in Granites and the Formation of the Continents.

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