Chemical mechanism when the underlying rock is carbonate in composition acid groundwater dissolves the rock to form openings (caves, caverns, etc.)--when the groundwater rich in calcium bicarbonate attains a less acid condition, precipitation of CaCO3 will occur forming cave precipitates 2.
(the underlying rock; is; carbonate in composition acid groundwater) (Chemical mechanism; dissolves; the rock to form openings (caves, caverns, etc.)) (the groundwater rich in calcium bicarbonate; attains; a less acid condition)
the underlying rock Chemical mechanism the groundwater rich in calcium bicarbonate
is dissolves attains
carbonate in composition acid groundwater
the rock to form openings (caves, caverns, etc.)
a less acid condition