U.S. Geological Survey home page


Clark and others 2007 USGS Data Series 231
Spectral Library splib06a Sample Description

(For further information on spectroscopy, see: http://speclab.cr.usgs.gov)

TITLE: Dolomite.50+Ca-Montmor AMX10 DESCRIPT

DOCUMENTATION_FORMAT: MIXTURE

SAMPLE_ID: AMX10

MIXTURE_TYPE: Areal

MIXTURE: Dolomite, Ca-Montmorillonite

FORMULA: CaMg(CO3)2 + (Ca)0.33(Al,Mg)2Si4O10(OH)2*nH20

FORMULA_HTML: CaMg(CO3)2 + (Ca)0.33(Al,Mg)2Si4O10(OH)2•nH20

COLLECTION_LOCALITY: (Lee, Massachusetts), (Apache County, Arizona).

ORIGINAL_DONOR: (Hunt & Salisbury Collection), (Clay Mineral Society)

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

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

SAMPLE_DESCRIPTION:

Dolomite 50%, Ca-Montmorillonite 50% 08/29/85

See HS102.3B, SAz-1

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

See HS102.3B, SAz-1

see:

END_XRD_ANALYSIS.

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

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

See HS102.3B, SAz-1

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

See HS102.3B, SAz-1

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

See HS102.3B, SAz-1

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 8103 0.2-3.0µm 200 g.s.=
LIB_SPECTRA: splib06a r 25052 g.s.=