Layer
- Name
- Siderite St-Georges (Sid B) - powder
- Type of layer
- granular
- Thickness
- 1.0 $\pm$ 0.25 $mm$
- Texture
- loose fine grained
- Type of porosity
- open pores
- Formation mode
- manual deposition
- Comments
- The original powders (2012) were finely re-grinded, but without sieving