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(For further information on spectrsocopy, see:
http://speclab.cr.usgs.gov)
TITLE: Roofing_Felt GDS377 Black DESCRIPT
DOCUMENTATION_FORMAT: Man Made
SAMPLE_ID: GDS377
MATERIAL_TYPE: Roofing Felt
MATERIAL: Roofing Felt
FORMULA: Unknown
FORMULA_HTML: Unknown
COLLECTION_LOCALITY: Denver, Colorado
ORIGINAL_DONOR: Gregg Swayze
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Lab
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Lab
SAMPLE_DESCRIPTION:
New roofing felt square (unweathered).
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
Spectrum ramps toward higher reflectance at longer wavelengths. Spectral features at 1.73 and a 2.31 micron doublet are C-H related while those at 1.93 and 2.01 may be related to cellulose.
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns
| LIB_SPECTRA_HED: | where | Wave Range | Av_Rs_Pwr | Comment |
|---|---|---|---|---|
| LIB_SPECTRA: | splib05a r 10571 | 0.2-3.0µm | 200 | g.s.= |
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