Layer
Name
Painted pigment Pierrerue (grains inf. 160µm)
Order
2
Type of layer
compact
Texture
cemented granular
Type of porosity
porous
Comments
thichness is not measured but < 0.5mm
Formation mode
manual deposition
Temperature
295.0  $K$
Comments
Some powder is mixed with a few drops of water to obtain a homogeneous painting matter with a smoothness suitable for application by brush on a porous limestone substrate. Several layers of painting matter is applied to get the desired paint thickness. The paint is then dried to remove the water.
Number
4
Arrangement
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Pisoliths: Hematite with kaolinite dominant
Edge of the Pisoliths: kaolinite-calcite-goethite concentrated at the edge of the pisoliths
Alumino-ferruginous clay