Earth & Environmental Sciences

1. Ediacaran 100%
2. uplift 67%
3. Vendian 35%
4. trace fossil 30%
5. fossil 27%
6. burrow 26%
7. carbon isotope 25%
8. carbonate 24%
9. zircon 16%
10. stratigraphy 15%
11. colonization 13%
12. organism 13%
13. chemostratigraphy 12%
14. ecosystem stability 12%
15. exoskeleton 12%
16. benthos 11%
17. marine sediment 11%
18. stratotype 11%
19. explosion 11%
20. burrowing 10%
21. seaweed 10%
22. Ordovician 10%
23. bioturbation 8%
24. Proterozoic 8%
25. dolostone 8%
26. isotope 8%
27. biota 8%
28. Phanerozoic 8%
29. tunnel 7%
30. glauconite 7%
31. young 7%
32. Paleozoic 7%
33. marine ecosystem 7%
34. forearc basin 7%
35. Rodinia 6%
36. microfossil 6%
37. breccia 6%
38. ichnofacies 6%
39. substrate 6%
40. mollusc 6%
41. basin 5%
42. symmetry 5%
43. carbonate sediment 5%
44. sandstone 5%
45. metazoan 5%
46. rifting 5%
47. geological record 5%