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(For further information on spectrsocopy, see:
http://speclab.cr.usgs.gov)
TITLE: Illite IL105 (1Md) DESCRIPT
DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: IL105
MINERAL_TYPE: Phyllosilicate
MINERAL: Illite, a group of hydrated mica-clay minerals
FORMULA: (K,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2,H20]
FORMULA_HTML: (K,H3O)(Al,Mg,Fe)2(Si,Al)4)10[(OH)2,H2O]
COLLECTION_LOCALITY: Fithian, IL
ORIGINAL_DONOR: Phoebe Hauff/USGS Sedimentary Mineralogy Laboratory
CURRENT_SAMPLE_LOCATION: CSES/CIRES, Univ. of CO, Boulder
ULTIMATE_SAMPLE_LOCATION: CSES/CIRES, Univ. of CO, Boulder
SAMPLE_DESCRIPTION:
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Illite (1Md-illite)
Contaminant phases: Chlorite, dark quartz (?).
Kruse, F.A., and P.L. Hauff, eds., 1992, The IGCP-264 Spectral Properties Database. IUGS/UNESCO, Special Publication, 211 p., (in press).
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem
COMPOSITION_TRACE:
COMPOSITION_DISCUSSION:
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
average grain size= 10 µm
sample contains 5 vol% quartz. G. Swayze.
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
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: | splib04a r 2393 | 0.2-3.0µm | 200 | g.s.= 10 µm |
| LIB_SPECTRA: | splib05a r 3564 | 0.2-3.0µm | 200 | g.s.= |
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