Fig. 14
Fine granular structure of silica (a) and organic matter permeating the silica (b), visible after NaOH treatment. It covers the etched surface and is visible at broken edge of silica layer
Fig. 14 | Frontiers in Zoology
Fine granular structure of silica (a) and organic matter permeating the silica (b), visible after NaOH treatment. It covers the etched surface and is visible at broken edge of silica layer
Frontiers in Zoology