Western Wall weathering: Extreme erosion explained

11 agosto 2014

Researchers investigating erosion at Jerusalem’s Western Wall found that limestone with very small crystals eroded up to 100 times faster and had sometimes receded by tens of centimeters, potentially weakening the wall’s structure. The researchers described an accelerated erosion process causing some rocks to become more weathered than others, and showed that chemo-mechanical erosion extends down to the tiny micron scale. The findings could help guide preservation techniques at cultural heritage sites worldwide.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_M54khghWMw/140811124948.htm

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