Greg Holland

Earth and Planetary Sciences

1. Rare Gas 100%
2. Xenon 42%
3. Isotopic Composition 35%
4. China 34%
5. Gas Field 29%
6. Methane 25%
7. Thermochemical Sulfate Reduction 24%
8. Fractionation 24%
9. Carbon 14 22%
10. Parent Body 17%
11. Sichuan Basin 17%
12. Chondrule 16%
13. Fluid Inclusion 16%
14. Rare Earth Element 16%
15. Gas Well 16%
16. Shale Gas 16%
17. Dolomite 16%
18. Stable Isotope 16%
19. Hydrothermal Fluid 16%
20. Emissions 16%
21. Natural Gas 15%
22. Stable Isotope 14%
23. Enstatite 10%
24. Xenon Isotope 10%
25. Formation Water 10%
26. Solar Nebula 10%
27. Chondrite 10%
28. Calcite 10%
29. Earth Mantle 10%
30. Subduction Zone 10%
31. Atmospherics 9%
32. Gas Composition 9%
33. Carbon Dioxide 9%
34. United States of America 8%
35. Degassing 8%
36. Zircon 8%
37. Boundary Layer 8%
38. Fracture Network 8%
39. Large Igneous Province 8%
40. Mass Extinction 8%
41. Photochemical Reaction 8%
42. Kuwait 8%
43. Permian 8%
44. Peridotite 8%
45. Acapulcoite 8%
46. Dolomitization 8%
47. Nitrogen 15 8%
48. Helium Isotope 8%
49. Volcanic Gas 8%
50. Papua New Guinea 8%