Visible and near-infrared spectra of terrestrial feldspathic plutonic rocks | Mirabelle

Experiment

Title: Visible and near-infrared spectra of terrestrial feldspathic plutonic rocks

References

DOI: 10.26302/SSHADE/EXPERIMENT_MB_20260302_0002
Data reference: Barthez, Marie (2022): Visible and near-infrared spectra of terrestrial feldspathic plutonic rocks. SSHADE/Mirabelle (OSUG Data Center). Dataset/Spectral Data. https://doi.org/10.26302/SSHADE/EXPERIMENT_MB_20260302_0002

Owner

Database(s)

Mirabelle

Experimentalists

Marie Barthez

Spectra preview

Experiment type

Type(s): laboratory measurement
Description: Visible Near-Infrared spectra.
Number of spectra: 86

Variable parameters

Variable type(s)

sample composition

Location

Laboratory: Centre de Recherches Pétrographiques et Géochimiques (CRPG)

Instrument #1

Instrument: ASD Fieldspec4 – biconical reflection Visible to near-infrared

Spectral parameters

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.

Angular parameters

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: 45.0°
Resolution illumination: 0.5°
Resolution observation: 25.0°

Spatial parameters

Observation mode: single spot

Instrument #2

Instrument: HySpex SWIR 640 – bidirectional reflection Near-Infrared (960-2500 nm)