Layer
Name
Pigment Roussillon - raw block
Physical characteristics
Type of layer
compact raw
Thickness
35.0  $\pm$ 10.0  $mm$
Texture
compact fine grained
Type of porosity
porous
Formation mode
no preparation
Number
2
Arrangement
homogeneous mixing
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Quartz grains quartz grains embeded in an argilo-ferric matrix (kaolinite and hematite or locally goethite) 0.6 mass fraction unknown but assumed mass fraction = areal fraction in cross section ~60%
kaolinite clay with hematite and goethite clay-ferric matrix (kaolinite and hematite or locally goethite) is the cement between quartz grains 0.4 mass fraction unknown but assumed mass fraction = areal fraction in cross section ~40%. Small impurity of P, Ti, K, Na, Ca, Mg, Mn (0.92% in oxides)