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| Found within the rocks were awesome chunks of marble (metamorphic limestone), which helps geologists understand that this area was a seafloor during the Paleozoic (think of the ooze on the bottom tropical seas). |
| Date: 8/10/10 11:53 AM | ISO: 320 | Exp. Time: 1/400s | Aperture: 11.0 | Focal Length: 48.0mm (~48.0mm) |
| Total images: 117 | Last update: 8/12/10 12:28 AM | copyright mrhollister.com | Help |