Journal of Cave and Karst Studies - ISSN 0146-9517
Volume 59 Number 3: 99-102 -December 1997

A publication of the National Speleological Society

Condensation Corrosion in Movile Cave, Romania
Serban M. Sarbu and Cristian Lascu

Abstract

Condensation corrosion is the dissolution of carbonate by acidic vapors condensing above the water table. This process is rarely noted and receives little attention in the mainstream cave literature. The oolitic limestone walls in Movile Cave’s upper dry passages are severely altered by a selective corrosion mechanism. Temperature differences between the water in the lower passages and the walls in the upper passages and high concentrations of CO2 in the cave atmosphere create favorable conditions for condensation corrosion to take place. Carbon and oxygen stable isotope data support the hypothesis that condensation corrosion is the major mechanism currently affecting the morphology of Movile Cave’s upper dry level.

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