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20.05.09.

Pozivamo sve zainteresirane na otvaranje izložbe speleo fotografija "U dubini Istre" Branka Glavića, člana speleološkog društva "Istra" iz Pazina. Otvaranje izložbe će se održati u srijedu 20. svibnja 2009. godine u LG galeriji u Pazinu,...

29.04.09.

Ministarstvo vanjskih poslova i europskih integracija već tradicionalno organizira održavanje Europskog tjedna, manifestacije koja je pokrenuta kako bi se prikladno obilježila dva iznimno važna datuma u povijesti europskog integriranja: 5. svibnja 1949., Dan...

Short project description

The karst phenomenon, that is, karst landscape, is characteristic of the largest part of the Istrian County as well as Croatia and neighbouring Slovenia and Italy. Almost 70% of  the Istrian peninsula lies on such a limestone base which, despite its seemingly firm and lasting appearance, changes over a long time span under the influence of water that chemically reacts with limestone, thus forming numerous holes and crevices in such rocks through which water ...

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What is karst?

Karst is a landscape or terrain that results from the chemical weathering (corrosion) of bedrock types that are soluble in water. These bedrock types are primarily carbonate rocks (limestone and rarely dolomite), salts and gypsum (least elastic and flexible). Carbonate rocks were made through sedimentation during the Mesozoic age including the Trias, the Jurassic and the Cretaceous periods (230-66 million years ago) and a part of the Tertiary period. Because of the calcium carbonate (CaCO3), which is soluble in water, carbonate rocks dissolve in water ...

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