Fig. 5From: Jackson Pollock’s Number 1A, 1948: a non-invasive study using macro-x-ray fluorescence mapping (MA-XRF) and multivariate curve resolution-alternating least squares (MCR-ALS) analysisOverlapped distribution maps of the white, red and yellow paints for area (1) and image of that area. The sequence in which they were applied can be established by examining how the paints overlap: white, red, yellow and white againBack to article page