The Earth's Core

Preface to the First EditionPreface to the Second EditionChapter One General Physical Properties of the Earth 1.1 Introduction 1.2 Travel-Time and Velocity-Depth Curves 1.3 The Core-Mantle Boundary (MCB) 1.4 Free Oscillations of the Earth 1.5 Attenuation in the Earth 1.6 Variation of Density and Other Physical Properties within the Earth 1.7 Models of the Earth's InteriorChapter Two The Origin of the Core 2.1 Introduction 2.2 The Accretion Mechanism 2.3 Heat Sources for an Earth Accreting Cold 2.4 Time of Core Formation 2.5 Inhomogeneous Models of the Earth 2.6 Variation of the Gravitational Constant G with TimeChapter Three The Thermal Regime of the Earth's Core 3.1 Introduction 3.2 Gruneisen's Parameter 3.3 The Earths Inner Core 3.4 Melting-Point-Depth Curves 3.5 Adiabatic Temperatures 3.6 The Earth's Inner Core Reconsidered 3.7 Thermal Consequences of an Iron-Alloy Core 3.8 The Core and the Thermal History of the EarthChapter Four The Earth's Magnetic Field 4.1 Introduction 4.2 The Origin of the Earth's Magnetic Field 4.3 The Homogeneous Dynamo Equations 4.4 Mean-Field Electrodynamics 4.5 Reversals of the Earth's Magnetic Field 4.6 Energetics of the Earth's Core 4.7 The Secular Variation 4.8 Variations in the Length of the DayChapter Five The Constitution of the Core 5.1 Equations of State 5.2 The Birch-Murnaghan Equation of State 5.3 Experimental Methods 5.4 Ramsey's Hypothesis 5.5 Bullen's (k,p) Hypothesis 5.6 Bullen's Fe2O Hypothesis 5.7 The Constitution of the Core 5.8 The Possibility of Potassium in the CoreChapter Six The Cores of Other Planets 6.1 Introduction 6.2 Mercury 6.3 Mars 6.4 Venus 6.5 The Moon 6.6 Summary 6.7 The Great PlanetsAppendix AIndex