Visible/near-infrared spectra and two-layer modeling of palagonite-coated Basalts
Geophysical Research Letters
By: J. R. Johnson and W.M. Grundy
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Abstract
Fine-grained dust coatings on Martian rocks and soils obscure underlying surfaces and hinder mineralogic interpretations of both remote sensing and in-situ observations. We investigate laboratory visible/near-infrared spectra of various thicknesses of palagonite coatings on basalt substrates. We develop a two-layer Hapke scattering model incorporating porosity, grain size, and derived absorption coefficients of palagonite and basalt that reproduces the observed spectra only when the single scattering particle phase function is varied with wavelength.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Visible/near-infrared spectra and two-layer modeling of palagonite-coated Basalts |
| Series title | Geophysical Research Letters |
| DOI | 10.1029/2000GL012669 |
| Volume | 28 |
| Issue | 10 |
| Year Published | 2001 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geophysical Research Letters |
| First page | 2101 |
| Last page | 2104 |
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