Gypsum accumulation on carbonate stone

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The accumulation of gypsum on carbonate stone has been investigated through exposure of fresh samples of limestone and marble at monitored sites, through examination of alteration crusts from old buildings and through laboratory experiments. Several factors contribute to gypsum accumulation on carbonate stone. Marble or limestone that is sheltered from direct washing by rain in an urban environment with elevated pollution levels is likely to accumulate a gypsum crust. Crust development may be enhanced if the stone is porous or has an irregular surface area. Gypsum crusts are a surficial alteration feature; gypsum crystals form at the pore opening-air interface, where evaporation is greatest.
Publication type Conference Paper
Publication Subtype Conference Paper
Title Gypsum accumulation on carbonate stone
DOI 10.1016/0957-1272(92)90028-Q
Volume 26
Issue 2
Year Published 1992
Language English
Larger Work Title Atmospheric Environment - Part B Urban Atmosphere
First page 249
Last page 253
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