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Liquid lava moving beneath a thin crust of pahoehoe. |
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HAWAI'I PHOTO GALLERY
- Lava lake and pahoehoe lava: impressions from the
VolcanoDiscovery tours in March 2006 -
Part I: active pahoehoe lava
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16 and 23 March 2006: lava close up |
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Liquid lava moving beneath a thin crust of pahoehoe. |
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Lava flow |
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Large breakout flow at the beginning |
Martin filiming the breakout |
Patchy surface of the fast-moving breakout: the newly formed pahoehoe crust (darker, ropy parts) is unable to follow the speed of the still fluid and very hot lava beneath. |
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Ropy pahoehoe lava |
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Thin hot, still plastic crust forming almost instantly on the flowing lava is deformed into the typical ropy shape of pahoehoe lava. Active (above) and solidified (below). |
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Toeing pahoehoe lava |
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The second typical appearance of pahoehoe lava is to form toes; this happens when the lava oozes out slowly from cracks in and by lifting the (cooled) surface of the main flow, rather than from a sinlge, larger flow. |
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© Tom Pfeiffer, page set up on 28 March 2006.
