Cover -- Title -- Contents -- Preface -- Acknowledgements -- 1 Introduction -- 1.1 What is metamorphism? -- 1.1.1 Protoliths -- 1.1.2 Changes to the minerals -- 1.1.3 Changes to the texture -- 1.1.4 Naming metamorphic rocks -- 1.2 Metamorphic rocks - made under mountains -- 1.2.1 Mountain building -- 1.2.2 Directed stress, pressure and temperature in a mountain's roots -- 1.2.3 Exhumation of a mountain's roots -- 1.3 Metamorphism in local settings -- 1.3.1 Contact metamorphism -- 1.3.2 Hydrothermal metamorphism -- 1.3.3 Dynamic metamorphism -- 1.3.4 Shock metamorphism -- 2 The petrography of metamorphic rocks -- 2.1 Quartzite and metapsammite -- 2.1.1 Quartzite -- 2.1.2 Metapsammite -- 2.2 Metapelite -- 2.2.1 Slate -- 2.2.2 Phyllite and low-grade schist -- 2.2.3 Minerals and textures of medium-grade schist -- 2.2.4 The regional distribution of minerals in low- and medium-grade schist -- 2.2.5 Pelitic gneiss and migmatite -- 2.2.6 Metapelite in a contact aureole -- 2.2.7 The significance of Al2SiO5 for inferring metamorphic conditions -- 2.3 Marble -- 2.3.1 Pure calcite marble -- 2.3.2 Impure marble -- 2.3.3 Metasediments with mixed compositions -- 2.4 Metabasite -- 2.4.1 Six kinds of metabasite from regional metamorphic belts -- 2.4.2 The ACF triangle for minerals in metabasites -- 2.4.3 P-T stability of metabasites, and metamorphic facies -- 2.4.4 A metabasite made by contact metamorphism -- 2.5 Metagranite -- 2.5.1 Granitic gneiss and orthogneiss -- 2.5.2 Dynamic metamorphism of granite -- 2.6 Metaperidotite -- 2.6.1 Peridotite as a protolith -- 2.6.2 Anhydrous metaperidotite -- 2.6.3 Hydrous metaperidotite -- 2.6.4 Carbonate-bearing metaperidotite -- 2.7 Summary of metamorphic minerals and protoliths -- 2.7.1 Minerals and protoliths on an ACF triangle -- 2.7.2 Where do the six protoliths come from?.

3 Interpreting mineral changes and textures -- 3.1 Mineral stability, fluids, and partial melting -- 3.1.1 What is the meaning of stability? -- 3.1.2 How was the Al2SiO5 diagram obtained? -- 3.1.3 What kinds of metamorphic reaction produce water? -- 3.1.4 How much water is tied up in metamorphic minerals? -- 3.1.5 How does the water content in metapelites change with grade? -- 3.1.6 How are stable mineral assemblages in metapelites preserved? -- 3.1.7 Retrograde alteration and complete re-equilibration -- 3.1.8 Water in metabasites and metaperidotites -- 3.1.9 Fluids other than H2O -- 3.1.10 Partial melting and the origin of migmatite -- 3.2 Understanding metamorphic textures -- 3.2.1 A review of textures as a record of grain growth, strain, and multistage history -- 3.2.2 What makes grains grow? -- 3.2.3 Is time, like temperature, a factor in grain growth? -- 3.2.4 Does fluid have a role in grain growth? -- 3.2.5 What determines the shape of a grain? -- 3.2.6 Why do some minerals occur as porphyroblasts? -- 3.2.7 How does directed stress cause a foliated texture? -- 3.2.8 How does mylonite differ from cataclasite? -- 4 Aureoles, orogenies and impacts -- 4.1 Contact metamorphism -- 4.1.1 The pyroxene hornfels facies -- 4.1.2 Marbles in contact aureoles -- 4.1.3 Metapelites in contact aureoles -- 4.2 Metamorphism in orogenic belts and subduction zones -- 4.2.1 Low-, normal-, and high-pressure metamorphic belts -- 4.2.2 Subsurface temperatures and P-T-t paths -- 4.2.3 Measuring little 't' in a P-T-t path -- 4.2.4 High-pressure metamorphism and its geological consequences -- 4.2.5 Ultra-high-pressure (UHP) metamorphism -- 4.3 Shock metamorphism -- 4.3.1 The discovery of shock metamorphism -- 4.3.2 Products of giant impacts -- 4.3.3 Extra-terrestrial shock metamorphism -- 5 Case studies in geothermobarometry -- 5.1 Granulite-facies rocks at Slishwood.

5.1.1 Geological setting -- 5.1.2 Kyanite -- 5.1.3 Perthitic feldspar -- 5.1.4 Garnet-clinopyroxene-plagioclase metabasites -- 5.1.5 Fe/Mg in garnet and in coexisting clinopyroxene -- 5.1.6 Pressure and temperature trajectory -- 5.2 Eclogite-facies rocks at Glenelg -- 5.2.1 Geological setting -- 5.2.2 The calcite-dolomite solvus geothermometer -- 5.2.3 The clinopyroxene-albite-quartz geobarometer -- 5.2.4 The garnet-clinopyroxene Fe-Mg exchange thermometer -- 5.2.5 Dating the eclogite -- Appendix 1 The Earth's interior -- A1.1 The continental crust, the oceanic crust, and the mantle -- A1.2 Plate tectonics -- A1.2.1 What happens where plates move apart? -- A1.2.2 What happens where plates converge? -- A1.2.3 Subsidence within plates -- Appendix 2 The chemical formulae of minerals -- A2.1 How are chemical formulae of minerals written? -- A2.2 Minerals whose composition can vary -- A2.3 How are atoms (ions) stacked together? -- A2.4 Classification and properties of silicates -- A2.4.1 Silicates with independent tetrahedra -- A2.4.2 Single chain silicates -- A2.4.3 Double chain silicates -- A2.4.4 Sheet silicates -- A2.4.5 Framework silicates -- A2.5 Minerals in metamorphic rocks -- A2.5.1 A list of common minerals -- A2.5.2 Accessory minerals and minerals in unusual kinds of rock -- Appendix 3 Minerals under the microscope -- A3.1 Thin sections -- A3.2 The polarizing microscope -- A3.3 Identifying minerals -- Appendix 4 Microbeam and X-ray methods -- A4.1 The scanning electron microscope (SEM) -- A4.1.1 Kinds of image produced by the SEM -- A4.1.2 How does an SEM work? -- A4.1.3 Electron probe micro-analysis (EPMA) -- A4.2 X-ray powder diffraction (XRD) -- Appendix 5 The principles of isotopic dating (geochronology) -- A5.1 Uranium-lead dating of zircon crystals -- A5.2 Potassium-argon dating of biotite -- Glossary -- Further reading -- Copyright.