DOCUMENTATION_FORMAT: MIXTURE
SAMPLE_ID: PC99-1G
MIXTURE_TYPE: Areal
MIXTURE: Calcite and Talc
FORMULA: CaCO3 and Mg3Si4O10(OH)2
FORMULA_HTML: 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)
See: Rockwell, B.W.,2002, Descriptions, spectral plots, and digital reflectance spectra of samples applied to spectral analysis of imaging spectroscopy data: Utah (East Tintic Mountains, Oquirrh Mountains, Wasatch Mountains, and Tushar Mountains), Nevada (Goldfield Hills), and New Mexico (Jemez Mountains), USA, 1999-2002: U.S. Geological Survey Open-File Report 02-407, electronic web pages. (http://pubs.usgs.gov/of/2002/ofr-02-407)
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Major: Calcite, Talc
Trace: Quartz, Apatite, Sanidine, Chlinochlore, and Dolomite
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: NONE # XRF, EPMA, 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