1. Volcanic Tuff: Vulcan's Wrath: The Eruption of Vesuvius
2. Native Copper: The Iceman and the Island of Copper
3. Cassiterite: The "Isles of Tin" and the Bronze Age
4. Angular Unconformity: "No Vestige of a Beginning": The Immensity of Geologic Time
5. Igneous Dikes: The "Earth's Great Heat Engine": The Origin of Magmas
6. Coal: The Rock That Burns Fires the Industrial Revolution
7. Jurassic World: The Map That Changed the World: William Smith and the Rocks of Britain
8. Radioactive Uranium: Clocks in Rocks: Arthur Holmes and the Age of the Earth
9. Chondritic Meteorites: Messengers From Space: The Origin of the Solar System
10. Iron-Nickel Meteorites: The Cores of Other Planets
11. Moon Rocks: Green Cheese or Anorthosite: The Origin of the Moon
12. Zircons: Early Oceans and Life? Evidence in a Grain of Sand
13. Stromatolites: Microbial Condos: Cyanobacteria and the Oldest Life
14. Banded Iron Formation: Mountains of Iron: The Earth's Early Atmosphere
15. Turbidites: Archean Sediments and Submarine Landslides
16. Diamictites: Tropical Glaciers and the Snowball Earth
17. Exotic Terranes: Paradox in Rocks: Wandering Fossils and Traveling Landmasses
18. Jigsaw-Puzzle Bedrock: Alfred Wegener and Continental Drift
19. Chalk: The Cretaceous Seaway and Greenhouse Planet
20. The Iridium Layer: The Death of the Dinosaurs
21. Lodestones: How Paleomagic Launched Plate Tectonics
22. Blueschists: The Puzzle of Subduction Zones
23. Transform Faults: Earthquake! The San Andreas Fault
24. Messinian Evaporites: The Mediterranean Was a Desert
25. Glacial Erraticts: A Poet, a Professor, a Politician, a Janitor, and the Discovery of the Ice Ages
