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(For further information on spectroscopy, see:
http://speclab.cr.usgs.gov)
TITLE: Red_Coated_Algae_Water RCAW1 DESCRIPT
DOCUMENTATION_FORMAT: VOLATILE
SAMPLE_ID: RCAW1
MATERIAL_TYPE: Oxide + algae
MATERIAL: Water + Algae
FORMULA: H2O + Algae
FORMULA_HTML: H2O + Algae
COLLECTION_LOCALITY: Arkansas River, Leadville, Colorado, USA p> CURRENT_SAMPLE_LOCATION: none
ULTIMATE_SAMPLE_LOCATION: none
ORIGINAL_DONOR: Gregg Swayze
SAMPLE_DESCRIPTION:
Red algae coating rocks under about 10cm in the Arkansas River 100 meters downstream from the confluence with California Gulch which drains heavily mined area with abundant acid mine drainage runoff. This algae is probably causing the precipitation of secondary Fe-oxides rich in heavy metals.
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Not applicable
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: NONE # XRF, EM(WDS), ICP(Trace),WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
Not Available
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
Not Available
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
Spectrum has a narrow chlorophyll band at 0.679 microns.
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2_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 9595 | 0.3-2.5µm | 200 | |
| LIB_SPECTRA: | splib06a r 27230 | g.s.= |