Ancient climate evidence: pollen, rock types, fossils and microfossils, isotope ratios in rocks and sediments

What this note covers

1. What counts as evidence of ancient climate
2. Pollen grains in sedimentary rocks
3. Changes in rock types as climate indicators
4. Fossils and microfossils
5. Isotope ratios in rocks and deep-sea sediments
6. Exam technique: interpreting proxy data

6 sections · 10 key terms & formulas · 6 common mistakes