When tubular lava stalactites
form, they may extrude material through their centers which accumulates
beneath them. The resulting stalagmite (sometimes called a driblet spire)
has a blobby appearance, much like a dripping wax candle might produce.
They are typically no more than a foot high, but some over six feet
high are known. |
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Created: August 4, 2000
Author: Dave Bunnell |