Radiogenic isotope geochemistry : a guide for industry professionals / Bruce F. Schaefer.

CONTENT

Part I 'How': isotopes and how they are measured
1 Isotopes and geochemistry
1.1 Introduction
1.2 Elements and isotopes

2 Processes
2.1 Fractionation: chemical vs isotopic
2.2 Isotopic fractionation

3 Mass spectrometry
3.1 Principles of mass spectrometry
3.2 TIMS vs ICP-MS (PIMS) vs GS IRMS
3.3 In situ mass spectrometry
3.4 Noble gas mass spectrometry and irradiation for Ar analysis
3.5 Measurement of concentrations by mass spectrometry: isotope dilution

4 Stable isotopes
4.1 Nomenlature
4.2 Major element stable isotopes
4.3 Minor and trace element stable isotopes

5 Radioactivity, radioactive decay and isotope systems applied in the geosciences
5.1 Half life and decay constant
5.2 Equations
5.3 Geologically useful decay schemes
5.4 Closure temperature

Part II 'When': geological time, ages and rates of geological phenomena
6 underpinnings of geochronology: background and principles
6.1 Accuracy and precision in geochronology
6.2 Statistical treatment of geochronological data

7 Isochron geochronology
7.1 Principles of isochrons
7.2 metamorphism and resetting of isochrons

8 U-Pb, Pb-Pb and Re-OS sulphide geochronology
8.1 Principles of U-Pb geochronology
8.2 U-series isotopes
8.3 EPMA and CHIME dating
8.4 Thermochronology: fission tracks and (U+Th)/He
8.5 Re-Os geochronology of molybdenite and LLHR (low-level highly radiogenic) sulphides

9 Argon geochronology

Part III 'Where': tracking the course of material through the earth
10 Isotopes as tracers: general principles
10.1 Genetic model ages
10.2 Mixing
10.3 AFC

11 Applications of radiogenic tracers
11.1 Differentiation within the crust and crustal growth
11.2 Isotopic characteristics of the mantle
11.3 tracing petroleum migration and sources

12 New developments in radiogenic isotopes
12.1 Looking forward: the next generation of tools and techniques

Glossary : p. 186 - 188 . _ Index : p. 194 - 196