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(For further information on spectroscopy, see:
http://speclab.cr.usgs.gov)
TITLE: Epidote BR93-33a DESCRIPT
DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: BR93-33A
MINERAL_TYPE: Sorosilicate
MINERAL: Epidote (Epidote group)
FORMULA: Epidote = Ca2(Al,Fe+3)3(SiO4)3(OH)
FORMULA_HTML: Ca2(Al,Fe+3)3(SiO4)3(OH)
COLLECTION_LOCALITY: Southern part of the Rodman Mountains (near Radio Tower), Barstow, CA, USA
COLLECTION_LATITUDE: Not Available # degrees and decimal minutes (N or S)
COLLECTION_LONGITUDE: Not Available # degrees and decimal minutes (W or E)
DATUM: Not Available # coordinate datum
ORIGINAL_DONOR: Eric Livo
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
SAMPLE_DESCRIPTION:
Epidote veinlets in biotite quartz monzonite rock.
IMAGE_OF_SAMPLE:
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Major: Epidote, Albite, and Quartz
Minor: none
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace),WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
No additional compositional details available.
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
IMAGE_OF_SAMPLE: Not Available
SPECTROSCOPIC_DISCUSSION:
well formed Epidote spectrum (spectrally pure)
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1b2b3b4b # 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 2571 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib06a r 7490 | g.s.= | ||
| LIB_SPECTRA: | splib06a r 7501 | g.s.= |