Library Digital Collections

[Dr. Robert L. Fisher and Elizabeth T. Bunce with a section of fresh basalt breccia, a volcanic rock cored from 80.5 meters into the igneous basement that underlies more than 500 meters of deep-sea sediment in the central Indian Ocean]

[Dr. Robert L. Fisher and Elizabeth T. Bunce with a section of fresh basalt breccia, a volcanic rock cored from 80.5 meter...