Fig. 4From: Coloring mechanisms of ancient buried wood: Japanese cedar trees excavated from the foothills of Mt. ChokaiMössbauer spectra at 78 K of Japanese cedar umoregi wood. (a) UW1-1 (heartwood), (b) UW1-2 (sapwood), and (c) UW2 (heartwood). Red solid line is a fitting curve lineBack to article page