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: Goeth+qtz.5+Jarosite.5 AMX11 DESCRIPT

DOCUMENTATION_FORMAT: MIXTURE

SAMPLE_ID: AMX11

MIXTURE_TYPE: Intimate + Areal

MIXTURE: Goethite +Quartz and Jarosite

FORMULA: alpha-FeO(OH)+SiO2 and K(Fe+3)3(SO4)2(OH)6

FORMULA_HTML: alpha-FeO(OH)+SiO₂ and KFe⁺³₃(SO₄)₂(OH)₆

COLLECTION_LOCALITY: (Tuscaloosa, Alabama) (synthetic)

ORIGINAL_DONOR: (Wards Scientific) (Roger Stroffregen, SMU)

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

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

SAMPLE_DESCRIPTION:

See GDS240, GDS99. (Goethite + quartz is an intimate mixture of 2weitht% goethite + 98 weight% quartz) this is areally mixed
with 50% Jarosite.

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

See GDS240, GDS99.

see:

END_XRD_ANALYSIS.

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

See GDS240, GDS99.

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

See GDS240, GDS99.

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

See GDS240, GDS99.

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

See GDS240, GDS99.

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1b2_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 8150	0.2-3.0µm	200	g.s.=

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