Preface
Organic Substances in Geochemistry
Introduction
Part I Mineralized Organic Substances and Their Formation
Chapter 1. The Chemical Structures of Compounds that Participate in the Formation of Mineralized Organic Substances. Occurrence in Contemporary and Ancient Deposits
Proteins
Carbohydrates
Phenolic Compounds
Pigments. Chlorophyll and Carotenoids
Chapter 2. Organic Substances in Peat and Their Formation
Contemporary Peat Bogs
Humic Acids
Melanoidins
Current Theories Regarding the Structure of Humic Acid
Chapter 3. Organic Constituents of Coal and Their Origin
Current Theories Regarding the Formation of Humic Coals
Chemical Composition of Coal-Forming Plants
Aromatic Structural Units of Lignin in Fossil Wood and Lignites
Distribution of Plants and Animals and the Accumulation of Coal during Various Geological Periods
Current Theories Regarding the Chemical Structure of Coal
Chapter 4. Organic Substances in Fresh Water and Marine Deposits
Character and Distribution of Organic Substances in Fresh Water and Marine Basins
Chemical Composition of Organic Matter in Fresh Water and Marine Deposits
Significance of the Products of the Degradation of Proteins, Carbohydrates, Fats, and Pigments in the Formation of the Organic Constituents of Shales and Petroleum
Organic Constituents of Graptolites. Diagenesis of Organic Substances in Sedimentary Rocks
Part II Concentration of Metals by Organic Substances in Sedimentary Rocks
Chapter 5. Significance of Organic Substances in the Migration and Concentration of Chemical Elements
Chapter 6. Concentration of Uranium by Organic Matter in Sedimentary Rocks
Distribution of Uranium in Sedimentary Rocks
Uranium in Natural Waters, Muds, and Peat
Manner of Concentration of Uranium in the Organic Constituents of Coals and Shales
Types of Uranium Compounds Associated with the Organic Constituents of Coals and Shales
Chapter 7. Concentration of Germanium by the Organic Constituents of Sedimentary Rocks
Distribution of Germanium in Sedimentary Rocks
Mechanism of Retention of Germanium by the Organic Substances of Coal
Types of Germanium Compounds Associated with the Organic Constituents of Coal
Chapter 8. Concentration of Vanadium by the Organic Constituents of Sedimentary Rocks
Distribution of Vanadium in Sedimentary Rocks
Mechanism of Concentration of Vanadium in the Organic Constituents of Sedimentary Rocks
Types of Bonds of Vanadium with the Organic Constituents of Shales, Petroleum, and Coal
Chapter 9. Concentration of Molybdenum by the Organic Matter of Sedimentary Rocks
Distribution of Molybdenum in Sedimentary Rocks, Soils, and Plants
Mechanisms of Concentration of Molybdenum. Types of Compounds of Molybdenum with Organic Constituents of Sedimentary Rocks
Chapter 10. Concentration of Copper by the Organic Constituents of Sedimentary Rocks
Chapter 11. Concentration of Manganese, Cobalt, Nickel, Gold, Silver, Zinc, Beryllium, and Certain Other Elements by the Organic Constituents of Sedimentary Rocks
Manganese
Cobalt and Nickel
Gold and Silver
Zinc, Beryllium, and Other Metals
Chapter 12. Migration Characteristics and Concentration of Metals with Organic Constituents of Sedimentary Rocks
Conclusions
Literature
Index