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A. Robertson (1977)
The CIE 1976 Color-Difference FormulaeColor Research and Application, 2
Vicente Vicente (1983)
Clay mineralogy as the key factor in weathering of “Arenisca Dorada” (Golden Sandstone) of Salamanca, SpainClay Miner., 18
Iñigo Iñigo, Vicente‐Tavera Vicente‐Tavera, Rives Rives, Vicente Vicente (1997)
Color changes in the surface of granitic materials by consolidated and/or water repellent treatmentsColor Res. Appl., 22
Jiménez Jiménez (1975)
Presencia de una fase de fracturación y de una discordan‐cia preluteciense en el Paleógeno de SalamancaEstud. Geol., XXXI
Vicente Vicente, Brufau Brufau (1986)
Weathering of the Villamayor arkosic sandstone used in buildings under a continental semi‐arid climateAppl. Clay Sci., 1
Villamayor sandstone (also known as “golden sandstone”) has been widely used for construction in the city of Salamanca since Roman times. In the present study, the four most characteristic varieties of this material were used, considering the chromatic changes brought about by consolidation and/or waterproofing treatments and by cycles of artificial ageing of natural stone and of stone subjected to these treatments. The treatments consisted of application of a consolidant at different concentrations (RC 70 and 40% RC 70) and two consolidants plus waterproofing agents (RC 80 and RC 90). Artificial ageing was induced by 10 cycles of wetting/drying and freezing/thawing. The chromatic variations observed considering the E*, L*, a*, and b* parameters were subjected to statistical analysis. © 1998 John Wiley & Sons, Inc. Col Res Appl, 23, 46–51, 1998
Color Research & Application – Wiley
Published: Feb 1, 1998
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