清川 昌一

Earth and Planetary Sciences

1. Iron 100%
2. Sediment 80%
3. Age 74%
4. Structural Basin 66%
5. Island 66%
6. Rock 62%
7. Black Shale 61%
8. Deposit 61%
9. Impact 60%
10. Cuba 58%
11. Calcarenite 54%
12. Area 54%
13. Sedimentation 52%
14. Zircon 50%
15. Island Arcs 49%
16. Deformation 49%
17. Chert 47%
18. Japan 47%
19. Value 44%
20. Quartz 40%
21. Cretaceous-Tertiary Boundary 39%
22. Sample 36%
23. Sand 34%
24. Environment 33%
25. Variation 33%
26. Tsunami Wave 32%
27. Core 32%
28. Show 32%
29. Intrusion 31%
30. Investigation 31%
31. Event 31%
32. Content 31%
33. Volcaniclastic 31%
34. Clast 30%
35. Tsunami 30%
36. History 30%
37. Orogeny 30%
38. Condition 29%
39. Bed 28%
40. Enrichment 28%
41. Sea Bed 28%
42. Paleocurrent 28%
43. Fault 28%
44. Tide 27%
45. Sandstone 27%
46. Water 27%
47. Sea of Japan 26%
48. Turbidite 26%
49. Submarine Canyon 26%
50. Hill 26%