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: Dolomit+Calcite+Talc PC99-1E DESCRIPT

DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: PC99-1E

MIXTURE_TYPE: Intimate

MIXTURE: Dolomite, Calcite, and Talc

FORMULA: CaMg(CO3)2, CaCO3, and Mg3Si4O10(OH)2

FORMULA_HTML: CaMg(CO₃)₂, CaCO₃, and Mg₃Si₄O₁₀(OH)₂

COLLECTION_LOCALITY: Empire Canyon, Utah

ORIGINAL_DONOR: Barnaby Rockwell

CURRENT_SAMPLE_LOCATION: U.S.G.S. Denver Spectroscopy Laboratory.

ULTIMATE_SAMPLE_LOCATION: U.S.G.S. Denver Spectroscopy Laboratory.

SAMPLE_DESCRIPTION:

Talc conglomerate from waste rock pile (Empire Canyon, Utah)

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

Major: Dolomite, Calcite
Minor: Talc, Apatite
Trace: Quartz, Clinochlore

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: NONE # XRF, EM(WDS),ICP(Trace),WChem

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

Strong Carbonate and Talc features at 2.3 microns

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:	splib05a r 8068	0.2-3.0µm	200	g.s.=

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