Spectrum

VNIR reflectance spectrum of Anorthosite (CM58) measured on cut slab using the Contact Probe (ASD Fieldspec 4)

Title
VNIR reflectance spectrum of Anorthosite (CM58) measured on cut slab using the Contact Probe (ASD Fieldspec 4)
DOI
10.26302/SSHADE/EXPERIMENT_MB_20260302_0002
Data reference
Barthez, Marie; Flahaut, Jessica (2022): Visible and near-infrared spectra of terrestrial feldspathic plutonic rocks, and of their plagioclase minerals. SSHADE/Mirabelle (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_MB_20260302_0002
Publications
Experiment type
laboratory measurement
Type
reflectance factor
Intensity unit
no unit
Comments
Measurements done using accessory : Contact Probe
Instrument
ASD Fieldspec4 – biconical reflection Visible to near-infrared
Standard medium
unknown
Observation mode
spectrum
Spectral range type(s)
Vis, NIR
Valid spectral range(s)
Min - Max ($nm$) Sampling ($nm$) Resolution ($nm$) Position accuracy ($nm$) Absorption edge
#1 350.0 - 1000.0 1.4 3.0 0.5
#2 1001.0 - 2500.0 1.1 10.0 0.5
Comments
Measurements were made between 350nm and 2500nm.
Observation geometry
bidirectional
Observation mode
fixed angles
Incidence angle
0.0°
Emergence angle
35.0°
Azimuth angle
90.0°
Phase angle
35.0°
Resolution illumination
0.5°
Resolution observation
25.0°
Observation mode
single spot
Comments
The Contact Probe is the accessory used to acquire the spectrum.
Name
Anorthosite (CM58) cut slab
Comments
Anorthosite (CM58) sample cut in the form of a sugar.
Primary material(s)
Primary constituent(s)
Experiment
Visible and near-infrared spectra of terrestrial feldspathic plutonic rocks, and of their plagioclase minerals
Date begin
2022-12-05
Release date
2026-03-26 17:05:13+0000 UTC
Version (Date)
#1 (2026-03-26 17:05:13+0000 UTC, Updated: 2026-03-26 17:05:13+0000 UTC)
History
Date Mode Version Status Comments
2026-03-10 18:05:14+0000 UTC first import #1 valid version
Analysis
The spectrum has been calibrated using a reference panel (50% reflectance) in the same geometry and conditions.
Quality flag
5
Validator(s)