|
|
(For further information on spectrsocopy, see:
http://speclab.cr.usgs.gov)
TITLE: Illite IL101 DESCRIPT
DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: IL101
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: Shakanai Mine, Akita Prefecture, Japan
ORIGINAL_DONOR: Dr. S. Shimoda, University of Tsukuba
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 (2M2-illite)
Contaminant phase: 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 about 5 µm
Sample looks pure. 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 2383 | 0.2-3.0µm | 200 | g.s.= 5 µm |
| LIB_SPECTRA: | splib05a r 3553 | 0.2-3.0µm | 200 | g.s.= |
| AccessibilityFOIAPrivacyPolicies and Notices | |
 |
|