Craigmore’s sinkholes
|
Craigmore’s sinkholes
Spectacular sinkholes are a feature of the downlands at Craigmore, south-west of Timaru. The hills are porous limestone, which corrodes when rain filters down into it. This causes the surface to sink, creating holes.
About this item
GNS Science
Photograph by Lloyd Homer
Permission of GNS Science must be obtained before any use of this image
