Clay, Montmorillonite

Categories
MICRON-COSMIC ANALOGS
TERRESTRIAL AEROSOLS
Summary: AEROSOLS
Micron- cosmic analogs subcategories
Martian dust
Terrestrial Aerosols Subcategories
Clay
Main constituent
aluminium-rich clay mineral
Practical significance

early choices of Earth spectral analogs showed a predominantly montmorillonite composition since its reflectance spectra in the VIS and NIR are similar to the Martian spectra (Toon et al. 1977)

Particle size Mie: reff (μm)
2.8
Particle size Mie: veff
1.2
Particle size Fraunhofer: reff (μm)
1.8
Particle size Fraunhofer: veff
1.6
Size distribution plot
Montmorillonite size distribution
Size distribution table
size_montmorillonite.txt
SEM : View images
View images
All SEM images (zip file)
sem_montmorillonite.zip
Refractive index

1.52 + i0.0001 (488nm) (Sokolik and Toon 1999)

Color
light gray
Scattering matrix (1) wavelength in nm
488
Scattering matrix (1) plot
Scattering matrix elements Montmorillonite - 488 nm
Scattering matrix (1) table
matrix_montmorillonite_488nm.txt
Synthetic scattering matrix (1) wavelength in nm
488
Synthetic scattering matrix (1) table M
extra_montmorillonite_488nm_M.txt
Synthetic scattering matrix (1) table F
extra_montmorillonite_488nm_F.txt
Angle range (deg)
[3,177]
Paper (pdf)
Dabrowska et al., Icarus, vol. 250, 2015
Full reference paper

Dabrowska DD, Muñoz O, Moreno F, Ramos JL, Martínez-Frías J, Gerhard W. Scattering matrices of Martian dust analogs 488 nm and 647 nm. Icarus, vol. 250, pp. 83-94, 2015

BibTeX
Export Citation