Volcanic ash, Lokon
Categories
TERRESTRIAL AEROSOLS
Summary: AEROSOLS
Cosmic analogs subcategories
Asteroids
Circumstellar shells
Comets
Terrestrial Aerosols Subcategories
Volcanic
Origin
Lokon volcano on Sulawesi, Indonesia. The particles were collected at a few kilometers from the volcano within 24 hours after a minor eruption.
Main constituent
Silica glass, plagioclase, magnetite
Practical significance
Interpretation of remote sensing data. Analogues of other planets' atmospheric dust, and dust in comets, asteroids, and circumstellar shells.
Particle size Fraunhofer: reff (μm)
7.1
Particle size Fraunhofer: veff
2.6
Size distribution plot:
Size distribution table
Imaging
SEM
SEM/TEM images:
All SEM/TEM images (zip file)
Color
Dark brown
Scattering matrix (1) wavelength in nm
441.60 nm
Scattering matrix (1) table
Scattering matrix (1) plot:
Scattering matrix (2) wavelength in nm
632.80 nm
Scattering matrix (2) table
Scattering matrix (2) plot:
Refractive index
Estimated to be in the range [1.5-1.6] + i[0.00001-0.001].
Angle range (deg)
[5,173]
Reference/s