Anybody know anything about "Moonmilk?"

Dr. David Rosen drosen
Fri Nov 3 09:51:49 EST 1995

When visiting Carlsbad Caverns, my tour guide talked a little about
"Moon-Milk."  He said some of the rocks in the deepest part of the cave were
covered with a milky secretion of bacteria.  He claimed that these bacteria are
chemotropic, i.e., they get their energy from chemical reactions of the rock
materials rather.  I am surprised that they are not heteroetropic, taking
sustenance from bat droppings somehow.  However, this is really just hear-say.

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