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USGS Spectral Library Version 7 Sample Description

Kokaly, R.F., Clark, R.N., Swayze, G.A., Livo, K.E., Hoefen, T.M., Pearson, N.C., Wise, R.A., Benzel, W.M., Lowers, H.A., Driscoll, R.L., and Klein, A.J., 2017, USGS Spectral Library Version 7: U.S. Geological Survey Data Series 1035, 61 p., https://doi.org/10.3133/ds1035
For more information on the library, see: local link web link

TITLE: Fiberglass GDS337 Grn Roofng DESCRIPT

DOCUMENTATION_FORMAT: Man_Made

SAMPLE_ID: GDS337

MATERIAL_TYPE: Fiberglass

MATERIAL: Green fiberglass roofing

FORMULA: CH4 compound

FORMULA_HTML: CH4 compound

COLLECTION_LOCALITY: Hardware store

ORIGINAL_DONOR: Gregg Swayze

CURRENT_SAMPLE_LOCATION: U.S. Geological Survey, Denver Spectroscopy Lab

ULTIMATE_SAMPLE_LOCATION: U.S. Geological Survey, Denver Spectroscopy Lab

SAMPLE_DESCRIPTION:

Green fiberglass roofing Purchased new and unweathered from a local hardware store. Sample is 1 mm thick and consists of corrugated green transparent fiberglass roofing.

IMAGE_OF_SAMPLE:
Photo of sample

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EPMA, ICP(Trace), WChem

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

Spectrum has a large green peak at 0.504 microns, and absorptions at 1.14, 1.43, 1.68, 1.91, 2.14, and 2.16 microns. Spectrum is saturated past 2.26 microns.

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1a2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns