Layer
Name
Pigment Fontenaille - grains inf. 160µm
Physical characteristics
Type of layer
granular
Texture
loose granular
Type of porosity
particulate
Density
1.51 $\pm$ 0.05 $g.cm^{-3}$
Comments
diameter / thichness is 20 mm / 5 mm in the Visible (2.474g / 1.56 g/cm3) @ SHADOWS and 14 mm / 3.5 mm for the NIR (0.792g / 1.46 g/cm3) @ SHINE
Formation mode
manual deposition
Temperature
300.0  $K$
Comments
slightly tamped and smoothed surface (spatula stem)
Number
2
Arrangement
homogeneous mixing
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Quartz grains grains coated by ferruginous clays srelative abundance not yet determined, but much smaller than 60 vol% of the raw powder
brown kaolinite clay with goethite ferruginous clays coating or cementing quartz grains relative abundance not determined, but larger than 40 vol% of the raw powder