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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: Pyrite S26-8 DESCRIPT

DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: S26-8

MINERAL_TYPE: Sulfide

MINERAL: Pyrite (Pyrite group)

FORMULA: FeS2

FORMULA_HTML: FeS2

COLLECTION_LOCALITY: Ellenville (Ulster) Mine, Ellenville, Ulster County, NY

ORIGINAL_DONOR: Jules Friedman Field Sample

CURRENT_SAMPLE_LOCATION: USGS Reston, VA

ULTIMATE_SAMPLE_LOCATION: USGS Reston, VA

SAMPLE_DESCRIPTION:

Forms series with Cattierite (CoS2). Dimorphous with Marcasite.

Field sample from a study done on the Shawangunk Region of New York.

For specific sample information refer to the following reference: Friedman, Jules D., Mutschler, Felix E., Zartman, Robert E., Briggs, Paul H., Swayze, Gregg A., Theisen, Arnold F., 1989, Shawangunk Ore District, New York: Geochemical and Spectral Data, U.S. Geological Survey Open File Report 89-193.

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

Not Availabl:e

END_XRD_ANALYSIS.

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

COMPOSITION
KEYWORD
Element
ASCII
Amount Units
COMPOSITION_TRACE: Ag less than 2.5 ppm
COMPOSITION_TRACE: As 650 ppm
COMPOSITION_TRACE: Au 0.220 ppm
COMPOSITION_TRACE: Cd 10 ppm
COMPOSITION_TRACE: Cr 250 ppm
COMPOSITION_TRACE: Cu 30 ppm
COMPOSITION_TRACE: Hg 0.035 ppm
COMPOSITION_TRACE: Mn 35 ppm
COMPOSITION_TRACE: Ni 50 ppm
COMPOSITION_TRACE: Pb 40 ppm
COMPOSITION_TRACE: Sb less than 25 ppm
COMPOSITION_TRACE: Se less than 25 ppm
COMPOSITION_TRACE: Te 0.11 ppm
COMPOSITION_TRACE: Tl less than 0.2 ppm
COMPOSITION_TRACE: V 20 ppm
COMPOSITION_TRACE: Zn 20 ppm

COMPOSITION_DISCUSSION:

Mode wt%
Gal
Sph
Cpy
Py 95.0
Qtz 5.0

Assay wt%
Cu <0.01
Fe 43.43
Pb <0.01
Zn <0.01
S 44.8

Friedman, Jules D., Mutschler, Felix E., Zartman, Robert E., Briggs, Paul H., Swayze, Gregg A., Theisen, Arnold F., 1989, Shawangunk Ore District, New York: Geochemical and Spectral Data, U.S. Geological Survey Open File Report 89-193.

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1c2_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: splib04a r 4019 0.2-3.0µm 200 g.s.=
LIB_SPECTRA: splib05a r 5670 0.2-3.0µm 200 g.s.=


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