Karst

Karst waa habka juqraafiyeed ee dhagaxyada halkaas oo biyuhu ay nabaad-guureen (kala milmeen) sariirtii. Haddii ay aad u ballaaran tahay, karst waxay noqon kartaa muuqaal juqraafi ah ama muuqaal muuqaal ah. Waxaa lagu sifeeyaa dhul xun haddii ay adagtahay in lagu dhex socdo deegaanka, taas oo inta badan ay tahay.

A karst spring in the Jura mountains near Ouhans in eastern France at the source of the river Loue

The Devil's Hole sinkhole near Hawthorne, Florida, USA.

The karst limestone, after surface rock has weathered away, makes a ground surface which is almost imposssibly difficult for humans. Velebit in Croatia.

From a World Heritage Site in Madagascar, the Tsingy de Bemaraha Strict Nature Reserve. Gradual erosion has produced vast fields of limestone spires known locally as tsingy, interspersed with dry forests, lakes and mangrove swamps inhabited by numerous endemic and threatened lemur and bird species.