Pacific Ring of Fire Expedition. Columnar jointing in pumice boulder on the top of West Rota volcano. Note crinoid growing on the surface. The image is approximately 0.5 meters [18 in] high.
Photo Category: Ocean exploration
Photo Location: Mariana Arc region, Western Pacific Ocean
Photo Date: 2004 April
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| Added On | 20th October 2015 |
| Viewed | 8 viewed |