U.S. Geological Survey home page


Clark et. al. 2003 USGS Open File Report 03-395
Spectral Library splib05a Sample Description

(For further information on spectrsocopy, see: http://speclab.cr.usgs.gov)

TITLE: Fiberglass GDS399 Clear Roof DESCRIPT

DOCUMENTATION_FORMAT: Man Made

SAMPLE_ID: GDS399

MATERIAL_TYPE: Fiberglass

MATERIAL: Fiberglass

FORMULA: CH4 compound

FORMULA_HTML: CH4 compound

COLLECTION_LOCALITY: Denver, Colorado

ORIGINAL_DONOR: Gregg Swayze

CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Lab

ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Lab

SAMPLE_DESCRIPTION:

Clear fiberglass roof.

Sample is of corrugated clear fiberglass roofing material typically used in green house construction.

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:

The spectrum is flat at about 42% reflectance from 0.43 to 1.1 microns with moderately strong absorptions at 1.143 and 1.428 microns and strong absorptions at 1.678, 2.142, 2.263, and 2.352 microns. The absorptions at 1.678 and in the 2.3 micron region are C-H related.

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 9998 0.2-3.0µm 200 g.s.=


USA.gov logo  Take Pride in America button