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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: Kaol.5+MuscCU91-250A AMX13 DESCRIPT

DOCUMENTATION_FORMAT: MIXTURE

SAMPLE_ID: AMX13

MIXTURE_TYPE: Areal

MIXTURE: Kaolinite, Muscovite

FORMULA: Al2Si2O5(OH)4 and KAl2Si3O10(OH)2

FORMULA_HTML: Al2Si2O5(OH)4 AND KAl2Si3O10(OH)2

COLLECTION_LOCALITY: (Washington County, Georgia), (Cuprite, Nevada)

ORIGINAL_DONOR: (Clay Mineral Society), (G.Swayze)

COLLECTION_LATITUDE: Musc N37deg 31.767' # degrees and decimal minutes (N or S)

COLLECTION_LONGITUDE: Musc W117deg 13.517' #degrees and decimal minutes (W or E)

DATUM: Musc NAD27 # coordinate datum

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

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

SAMPLE_DESCRIPTION:

Calculated areal (linear) mixture of 50% Clay Mineral Society standard well crystalized kaolinite + 50% Muscovite Phyllite CU91-250A

See KGa-1 in minerals, CU91-250A in mixtures.

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

See KGa-1, CU91-250A.

END_XRD_ANALYSIS.

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

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

See KGa-1, CU91-250A.

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

See KGa-1

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

See KGa-1, CU91-250A. Areal mixture spectrum resembles that of halloysite with a narrow muscovite band superimposed on a broader kaolinite band at 2.2 microns.

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 8427 0.2-3.0µm 200 g.s.=


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