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.

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

END_XRD_ANALYSIS.

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

COMPOSITION_TRACE: Ag 8.0 ppm
COMPOSITION_TRACE: As <25 ppm
COMPOSITION_TRACE: Au 0.010 ppm
COMPOSITION_TRACE: Cd <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 <25 ppm
COMPOSITION_TRACE: Se <25 ppm
COMPOSITION_TRACE: Te 0.12 ppm
COMPOSITION_TRACE: Tl <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: 1_2_3_4_

LIB_SPECTRA_HED: where Wave Range Av_Rs_Pwr Comment

LIB_SPECTRA: splib04a r 4029 0.2-3.0µm 200 g.s.=

LIB_SPECTRA: splib05a r ____ 0.2-3.0µm 200 g.s.=

LIB_SPECTRA: splib06a r ____ 1.5-25µm 250 g.s.=