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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: Sphalerite S26-34 DESCRIPT

DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: S26-34

MINERAL_TYPE: Sulfide

MINERAL: Sphalerite

FORMULA: ZnS

FORMULA_HTML: ZnS

COLLECTION_LOCALITY: Ellenville (Ulster) Mine, Ellenville, Ulster County, New York

ORIGINAL_DONOR: Jules Friedman

CURRENT_SAMPLE_LOCATION: USGS Reston, VA

ULTIMATE_SAMPLE_LOCATION: USGS Reston, VA

SAMPLE_DESCRIPTION:

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

For more information on this sample 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_TRACE: Ag 3.5 ppm
COMPOSITION_TRACE: As less than 25 ppm
COMPOSITION_TRACE: Au less than 0.005 ppm
COMPOSITION_TRACE: Cd 1000 ppm
COMPOSITION_TRACE: Cr 10 ppm
COMPOSITION_TRACE: Cu 200 ppm
COMPOSITION_TRACE: Hg 210.0 ppm
COMPOSITION_TRACE: Mn 25 ppm
COMPOSITION_TRACE: Ni less than 5 ppm
COMPOSITION_TRACE: Pb less than 25 ppm
COMPOSITION_TRACE: Sb 50 ppm
COMPOSITION_TRACE: Se less than 25 ppm
COMPOSITION_TRACE: Te 0.53 ppm
COMPOSITION_TRACE: Tl less than 0.2 ppm
COMPOSITION_TRACE: V less than 5 ppm
COMPOSITION_TRACE: Zn

COMPOSITION_DISCUSSION:

Mode wt%
Gal
Sph 97.0
Cpy
Py
Qtz 2.0

Assay wt%
Cu 0.03
Fe 5.27
Pb <0.01
Zn 59.42
S 30.5

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: 1b2_3_4_ # S26-34 # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns