(For further information on spectroscopy, see:
http://speclab.cr.usgs.gov)
TITLE: Beidellite_montmorillonite GDS124 DESCRIPT
DOCUMENTATION_FORMAT: MIXTURE
SAMPLE_ID: GDS124
MIXTURE_TYPE: Intimate
MIXTURE: Beidellite + Montmorillonite
FORMULA: (Na,Ca,0.33 Al2[Si3.5Al0.5O10(OH)2]*nH2O
FORMULA_HTML: (Na,Ca0.5)0.3Al2(Si,Al)4O10(OH)2
*nH2O
COLLECTION_LOCALITY: Florida Mts. Idaho?
ORIGINAL_DONOR: Jim Post
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
SAMPLE_DESCRIPTION:
IMAGE_OF_SAMPLE: NONE
XRD_ANALYSIS:
Montmorillonite (Major), Beidellite (Major), Sutley, 2005.
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: # XRF, EM(WDS), ICP(Trace), WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
avg. grain size =
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1b2b3b4b # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns
END_SAMPLE_DESCRIPTION.
COMPOSITION
KEYWORD
ASCIIAmount
Weight
Percent, %
html
COMPOSITION: xxx % wt% x
COMPOSITION: xxx % wt% xxx
COMPOSITION: xxx % wt% xxxxx
COMPOSITION: xx % wt% xxx
COMPOSITION: xxx 0.00 wt% xxx
COMPOSITION: xxx % wt% xx
COMPOSITION: xxx % wt% xxx
LIB_SPECTRA_HED: where Wave Range Av_Rs_Pwr Comment
LIB_SPECTRA: spd0300 g.s.=
LIB_SPECTRA: splib06a r 24340 g.s.=
LIB_SPECTRA: splib06a r 24364 g.s.=