chemical analysis of rock (IMAGE)
Caption
To make their conclusions, the team sampled rocks from the Alps in Europe and the southwestern United States, as well as examined published data from the scientific literature. Here is a chemical analysis performed in Smye's lab at Penn State.
Credit
Jaydyn Isiminger / Penn State
Usage Restrictions
Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND