Figure 7. Downcore variation in the total reflectance of visible light (400–700 nm) at Holes 1080A and 1080B. A nine- and five-point smoothing procedure was applied to the data sets for Holes 1080A and 1080B, respectively.

Figure 7. Downcore variation in the total reflectance of visible light (400–700 nm) at Holes 1080A and 1080B. A nine- and five-point smoothing procedure was applied to the data sets for Holes 1080A and 1080B, respectively.