The next step in unravelling the Earth's impact history: (U-Th)He dating of impact structures

Earth & Environmental Sciences

1. impact structure 100%
2. dating 59%
3. history 43%
4. project 12%
5. shock metamorphism 11%
6. stratigraphic boundary 11%
7. bolide 10%
8. closure temperature 10%
9. flood basalt 9%
10. lake 8%
11. mass extinction 8%
12. crater 7%
13. diffusivity 7%
14. volcanic eruption 6%
15. isotope 5%
16. crystal 5%