Fig. 7From: An imaging and spectroscopic methodology for in situ analysis of ceiling and wall decorations in Colonial missions in Northern Mexico from XVII to XVIII centuriesFORS spectra from a variety of earth based pigments compared with our laboratory painted reference mock-ups. a Oxide rich yellow, orange and brown areas with our ocher goethite painted reference mock-up, and b incarnate found in the cherub faces crossed with our minium painted reference mock-upBack to article page