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: Green_Slime SM93-14A Summitv DESCRIPT

DOCUMENTATION_FORMAT: Man Made

SAMPLE_ID: SM93-14A

MATERIAL_TYPE: Precipitate from Acid Waste Water Treatment

MATERIAL: Mineral mixture

FORMULA: Unknown

FORMULA_HTML: Unknown

COLLECTION_LOCALITY: Summitville mine area, edge of pond

ORIGINAL_DONOR: Gregg Swayze and Trude King

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

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

SAMPLE_DESCRIPTION:

Sample was collected from the edge of a pond on the tailings pile at the Summitville Mine during the summer of 1993. The sample was of a waste product generated during water de-acidification of mine waste water. The sample was transported and dumped on the tailings pile for containment.

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

Quartz(minor) other phases amorphous and uncertain.

see:

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: EM(WDS) # XRF, EM(WDS), ICP(Trace), WChem

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

avg. grain size = 265µm

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

Spectrum has a peak in reflectance at 0.549 microns characteristic of a copper-bearing rock. A broad asymmetric absorption is centered at 0.7437 microns.

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 10041 0.2-3.0µm 200 g.s.=


USA.gov logo  Take Pride in America button