Earth & Environmental Sciences

1. accretion 24%
2. active margin 20%
3. adakite 13%
4. basalt 36%
5. basin 13%
6. blueschist 15%
7. boninite 17%
8. chert 15%
9. clastic sediment 14%
10. collision 29%
11. continent 17%
12. continental crust 14%
13. convergent margin 39%
14. craton 17%
15. crust 15%
16. crystallization 13%
17. Ediacaran 15%
18. erosion 22%
19. geochemistry 43%
20. granitoid 22%
21. graywacke 14%
22. igneous rock 23%
23. island arc 16%
24. isotope 46%
25. magmatism 29%
26. mantle 47%
27. ocean 49%
28. oceanic crust 16%
29. ophiolite 47%
30. Ordovician 19%
31. orogenic belt 100%
32. orogeny 17%
33. Paleozoic 44%
34. petrogenesis 21%
35. rare earth element 26%
36. rock 36%
37. sandstone 30%
38. sedimentary rock 34%
39. Silurian 27%
40. stratigraphy 33%
41. subduction 58%
42. tectonic evolution 13%
43. tectonic plate 13%
44. tectonic setting 29%
45. tectonics 63%
46. terrane 18%
47. transition zone 13%
48. volcanic rock 36%
49. volcanism 15%
50. zircon 62%