Seasonal variations of radon activity concentration in mofettes from Harghita and Covasna Counties, Romania.

In Harghita and Covasna County (Romania) are many mofettes. The mofette is mainly CO composed low temperature volcanic gas emanation. The mofettes can contain important quantities of radon.

Radon concentration measurements in mofettes from Harghita and Covasna counties, Romania.

In the Harghita volcanic range (Romania) there are many occurrences of dry CO(2) emanations, called mofettes. The emanating gas with high carbon dioxide content has a proved curative effect. The gas also contains important quantities of radon.