1. California Institute of Technology
2. Massachusetts Institute of Technology
3. Stanford University (CA)
4. University of California - Berkeley
5. Columbia University (NY)
6. University of Michigan - Ann Arbor
7. Pennsylvania State University - University Park
8. University of Arizona
9. Harvard University
10. University of Texas - Austi

1. Stanford University (CA)
2. Massachusetts Institute of Technology
3. California Institute of Technology
4. Pennsylvania State University - University Park
5. University of Michigan - Ann Arbor
6. University of Texas - Austin
7. University of Arizona
8. University of California - Berkeley
9. University of Wisconsin - Madison
10. University of Washington

1. California Institute of Technology
2. Massachusetts Institute of Technology
3. Stanford University (CA)
4. University of California - Berkeley
5. University of California - San Diego
6. Columbia University (NY)
7. Harvard University
8. University of Texas - Austin
9. Princeton University (NJ)
10. Colorado School of Mines
11. University of California-Los Angeles
12. Brown University (RI)
13. University of Arizona

 

ES: Geochemistry

1. California Institute of Technology
2. Pennsylvania State University - University Park
3. University of California - Berkeley
4. Massachusetts Institute of Technology
5. University of Michigan - Ann Arbor
6. Columbia University (NY)
7. Yale University (CT)
8. Harvard University
9. Stanford University (CA)
10. University of Maryland - College Park
11. University of Wisconsin - Madison
12. University of California - San Diego
13. University of California-Los Angeles
14. Virginia Tech
15. Washington University in St. Louis
16. University of Arizona