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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: Pyrite S29-4 DESCRIPT

DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: S29-4

MINERAL_TYPE: Sulfide

MINERAL: Pyrite (Pyrite group)

FORMULA: FeS2

FORMULA_HTML: FeS2

COLLECTION_LOCALITY: High Falls, Ulster County, NY (High Falls Shale)

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.

IMAGE_OF_SAMPLE:
NO PHOTO

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

Not Available

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: ICP # XRF, EPMA, ICP(Trace), WChem

COMPOSITION
KEYWORD		 Element
ASCII		 Amount Units
COMPOSITION_TRACE: Ag 8.0 ppm
COMPOSITION_TRACE: As less than 25 ppm
COMPOSITION_TRACE: Au 0.010 ppm
COMPOSITION_TRACE: Cd less than 10 ppm
COMPOSITION_TRACE: Cr 150 ppm
COMPOSITION_TRACE: Cu 800 ppm
COMPOSITION_TRACE: Hg 0.335 ppm
COMPOSITION_TRACE: Mn 5 ppm
COMPOSITION_TRACE: Ni 150 ppm
COMPOSITION_TRACE: Pb
COMPOSITION_TRACE: Sb less than 25 ppm
COMPOSITION_TRACE: Se less than 25 ppm
COMPOSITION_TRACE: Te 0.12 ppm
COMPOSITION_TRACE: Tl less than 0.2 ppm
COMPOSITION_TRACE: V 10 ppm
COMPOSITION_TRACE: Zn 600 ppm

COMPOSITION_DISCUSSION:

Mode wt%
Gal 6.0
Sph
Cpy
Py 80.0
Qtz 14.0

Assay wt%
Cu 0.11
Fe 37.70
Pb 5.40
Zn 0.07
S 40.0

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_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1c2_3_4_ # S29-4 # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns