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| This is the other kind of lava, a'a. It's the same stuff, but it crumbles and breaks up as it cools. The resulting flow fields are just a rubble pile, with chunks from the size of small boulders down to pebbles. |  |
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| Camera: Canon EOS DIGITAL REBEL XTi | Date: 5/4/10 1:45 PM | Resolution: 900 x 600 | ISO: 200 | Exp. Mode: Auto exposure | Exp. bias: 0 EV | Exp. Time: 1/640s | Aperture: 2.8 | Focal Length: 17.0mm (~27.6mm) | White Balance: Manual white balance | Flash: No | |
| Total images: 482 | My Flickr | Help |