Table of contents for Nature's clocks : how scientists measure the age of almost everything / Doug Macdougall.

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Chapter i. No Vestige of a Beginning...
I
Chapter 2. Mysterious Rays
2I
Chapter 3. Wild Bill's Quest
45
Chapter 4. Changing Perceptions
72
Chapter 5. Getting the Lead Out
1OI
Chapter 6. Dating the Boundaries
13'
Chapter 7. Clocking Evolution
159
Chapter 8. Ghostly Forests and Mediterranean
Volcanoes
19o
Chapter 9. More and More from Less and Less
219
Appendix A. The Geological Time Scale
239
Appendix B. Periodic Table of the Chemical Elements
24I
Appendix C. Additional Notes
245
Glossary
251
Resources and Further Reading
257