Figure 7From: Black earths from Veneto and Piedmont (Northern Italy): origin, composition and potential use in different painting techniques Black earth (colour notation: 5YR 3/4) from Vicoforte (TN-VF): micrograph (PPL) shows a clayey-rich ground mass, opaque minerals, C-based matter and detrital quartz. Reddish iron-oxides are spread within the matrix.Back to article page