- Title
- Vis-NIR reflectance spectra of pellets of olivine (0.1-1 mm) and vermiculite (inf. 0.1 mm) mixtures
- DOI
- 10.26302/SSHADE/EXPERIMENT_LM_20220302_OLVE
- Data reference
- Mandon, Lucia; Beck, Pierre (2020): Vis-NIR reflectance spectra of pellets of olivine (0.1-1 mm) and vermiculite (inf. 0.1 mm) mixtures. SSHADE/ROMA (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_LM_20220302_OLVE
- Publications
- Database(s)
- Experimentalists
- Type(s)
- laboratory measurement
- Description
- Vis-NIR reflectance spectra (i=0°, e=30°, az=0°) of olivine and vermiculite mixtures (pellets), in the following fractions: 0:100, 1:99, 5:95, 10:90, 20:80, 40:60, 60:40, 80:20, 90:10, 95:5, 99:1, and 100:0.
- Number of spectra
- 12
- Variable type(s)
-
- sample composition
- Instrument
- SHADOWS Spectro-Gonio bidirectional reflection Vis-NIR
- Sample holder
- Flat sample holder in anodized aluminum (not blackened)
- Standard medium
- vacuum
- Observation mode
- spectrum
- Spectral range type(s)
- Vis, NIR
- Valid spectral range(s)
-
Min - Max (μm) Sampling (μm) Resolution (μm) Position accuracy (μm) Absorption edge #1 0.38 - 0.66 0.02 0.0048 #2 0.68 - 1.48 0.02 0.0095 #3 1.5 - 2.7 0.02 0.019 - Comments
- Measured over the 380-2700 nm range
Definition: incidence and emergence angles are positive with origin at nadir, and vary in same direction. Azimuth origin (increasing clockwise) is for i = e (opposition geometry).
- Observation geometry
- bidirectional
- Observation mode
- fixed angles
- Incidence angle
- 0.0°
- Emergence angle
- 30.0°
- Azimuth angle
- 0.0°
- Phase angle
- 30.0°
- Resolution illumination
- 2.9°
- Resolution observation
- 2.05°
Illumination
Observation
- Comments
- Partial polarization variable with wavelength (from monochromator grating)
- Observation mode
- single spot
- Spatial resolution
- 5.2 mm
- Date begin
- 2020-01-21
Versions
- Release date
- 2022-03-04 12:30:26+0000 UTC
- Version (Date)
- #1 (2022-03-04 12:30:26+0000 UTC, Updated: 2022-03-04 12:30:26+0000 UTC)