A funerary goldmask from the Museum of Sicán, Ferrañafe, Peruwas analyzed in 30 different areas using a portable equipment using energy-dispersive X-ray fluorescence. It was deduced from the measurements that the main sheet of the mask and the majority of the pendants have a similar composition and are made of tumbaga, which means a poor gold alloy enriched at the surface by depletion gilding, and have a similar 'equivalent' gilding thickness of about 5 μm. The nose, also on tumbaga, has different composition and a thickness of about 8 μm. The clamps are on gilded or on silvered copper. The red pigment dispersed on the surface of themask is cinnabar. Copyright © 2009 John Wiley & Sons, Ltd.
Cesareo, R., Bustamante, A., Fabian, J., Calza, C., Dos Anjos, M., Lopes, R. T., Elera, C., Shimada, I., Curay, V., & Rizzutto, M. A. (2010). Energy-dispersive X-ray fluorescence analysis of a pre-Columbian funerary gold mask from the Museum of Sicán, Peru. X-Ray Spectrometry, 122-126. https://doi.org/10.1002/xrs.1192