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Spotlight

The last lava to enter the tube

 last lava to enter the lava tube
Photograph by T. Orr
August 5, 2005
This low mound is the point at which lava, upwelling from below, entered the Mother's Day lava tube. As the tube system died, the last lava to enter the tube ponded at, and plugged, the conduit carrying lava into the tube.

 last lava to enter the lava tube
Photograph by T. Orr
August 5, 2005

 last lava to enter the lava tube
Photograph by T. Orr
August 5, 2005
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The URL of this page is http://hvo.wr.usgs.gov/archive/spotlight_images/DSCN9129_20050805.html/
Contact: hvowebmaster@usgs.gov
Updated: 1 September 2005 (pnf)