Layer
Name
H2O ice
Order
3
Type of layer
granular
Texture
sintered granular
Type of porosity
porous
Comments
increasing fractional coverage and thickness (from 0 to about 1mm)
Formation mode
frost + sublimation of CO2+H2O ice mixture
Temperature
148.15  $\pm$ 0.5  $K$
Comments
top H2O ice layer, with increasing thickness resulting from sublimation of CO2 of the CO2+H2O ice mixture
Number
1
Arrangement
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
H2O ice 1.0