Black Layers of Decay and Color Patterns on Heritage Limestone as Markers of Environmental Change
Air pollution induces the development of black crusts on the surface of built heritage materials. Black layers on the limestone used on an emblematic Madrilenian building dating from the early twentieth century, mainly built up in the 20 years lapsing between two façade cleaning operations, was stud...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2016-01-01
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| Series: | Geosciences |
| Subjects: | |
| Online Access: | http://www.mdpi.com/2076-3263/6/1/4 |