John Robert Hopper

Earth and Planetary Sciences

1. Greenland 100%
2. Seismic Reflection 28%
3. Continental Shelf 25%
4. Tectonics 22%
5. Oceanic Crust 22%
6. Continental Crust 22%
7. North Atlantic 22%
8. Rifting 20%
9. Arctic Ocean 19%
10. Seismic Refraction 18%
11. Crustal Structure 17%
12. Continental Breakup 17%
13. Sea Floor Spreading 15%
14. Iceland 15%
15. Seismic Data 14%
16. Eocene 12%
17. Ice Sheet 11%
18. Paleocene 10%
19. Lithosphere 10%
20. Magmatism 9%
21. Crustal Thickness 9%
22. Paleogene 8%
23. Stratigraphy 8%
24. Miocene 7%
25. Denmark 7%
26. Contourite 7%
27. Temperature Anomaly 7%
28. Lower Crust 7%
29. Volcanism 7%
30. Magma 7%
31. Sedimentary Rock 6%
32. Basalt 6%
33. Ocean-Continent Transition 6%
34. Svalbard 6%
35. Seismic Velocity 6%
36. Sonobuoys 5%
37. Europe 5%
38. Spreading Center 5%
39. Carbon Dioxide 5%
40. Upper Mantle 5%
41. Subsidence 5%
42. Petrography 5%
43. Seismic Survey 5%
44. Late Cretaceous 5%
45. Mantle Plume 5%