MORE CAVERNS OF SONORA
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All the small formations on the wall are called "pop corn". This formation resulted  from a stalactite and a stalagmite coming together.  (Can't remember which one is which).
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Sometimes many  formations happen together and are many  different colors.  The colors are a result of the different minerals picked up by the water as it seeps down through the soil and rocks above.
We saw a lot of this formation is one come from celing and create another to grow upward.  The different at here from Kartchner and Carlsbad is they have a lot of small pocket of hole sometime under and sometime above.