Image:Lava channel with overflows.jpg

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[edit] Summary

Description

Pāhoehoe Lava flows in the open lava channel (not in a Lava tube) with overflows at both sides. The image was taken at The Big Island of Hawaii. The lava flow is due to July 21, 2007 fissure eruption at Kīlauea volcano.The channel is crusting over with a v-shaped opening pointing upstream. The crusting-over process usually starts at the upstream end, the crust grows downstream for a considerable distance, then the crust founders and sinks opening the channel to crusting over again. The main channel and overflows show perched nature of this kind of lava channels. The picture was taken from a helicopter. The link to the map of the flow by USGS.
Source

self-made
Date

09/10/07
Author

Mila Zinkova
Permission
(Reusing this image)


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Date/TimeDimensionsUserComment
current15:59, 1 November 20071,777×1,185 (1.63 MB)Mbz1 (Talk | contribs) ({{Information |Description=[http://en.wikipedia.org/wiki/Lava#P.C4.81hoehoe Pāhoehoe Lava] flow at [http://en.wikipedia.org/wiki/Hawaii_(island) The Big Island of Hawaii]. The lava flow is due to July 21 [http://en.wikipedia.org/wiki/Fissure_vent fissure)

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