| Title | Comment | Keywords |
|---|---|---|
| Sampling the Sea Floor | 19:31 - 20:30 (00:59) / 1.3 MB | "transform fault", oceanographer, sampling, "sea floor", "Glomar Challenger", "drill core", "mid-oceanic ridge", paleomagnetism, "sea floor spreading", fossil, paleoclimate, mountain, "mineral deposit" |