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15 cards from this deck
Chemical weathering (carbonation)
Three stages
Youthful karst
Flat exposed limestone with clints (blocks) & grikes (cracks)
Mature karst
Depression where surface water disappears underground
Rivers disappear underground through swallow holes
Old karst
Isolated limestone pillars after surrounding rock weathered away
Guilin, southern China
North-west County Clare, Ireland - mature karst example
Approximately 250 km²
Seasonal lakes appearing in winter, disappearing in summer
Aillwee Cave
Clints = blocks, grikes = deep cracks/joints
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