清川 昌一

Earth and Planetary Sciences

1. Age 80%
2. Area 57%
3. Black Shale 55%
4. Calcarenite 36%
5. Chert 84%
6. Content 29%
7. Continental Crust 43%
8. Cretaceous-Tertiary Boundary 43%
9. Cuba 48%
10. Deformation 53%
11. Deposit 80%
12. Environment 42%
13. Event 38%
14. Fault 45%
15. Granite 27%
16. Gravity Flow 27%
17. Hydrothermal Activity 31%
18. Impact 70%
19. Investigation 32%
20. Iron 68%
21. Island 100%
22. Island Arcs 59%
23. Japan 55%
24. Margin 29%
25. Mineral 29%
26. Miocene 30%
27. Ocean 38%
28. Quartz 31%
29. Rate 30%
30. Record 31%
31. Rock 57%
32. Sample 59%
33. Sandstone 43%
34. Sea Bed 35%
35. Sediment 76%
36. Sedimentary Rock 31%
37. Sedimentation 43%
38. Show 41%
39. Structural Basin 66%
40. Succession 27%
41. Tectonics 35%
42. Terrane 34%
43. Tsunami 37%
44. Tsunami Wave 39%
45. Turbidite 35%
46. Value 56%
47. Variation 37%
48. Volcanology 36%
49. Western Australia 33%
50. Zircon 41%