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DOCUMENTATION_FORMAT: Man_Made
SAMPLE_ID: BK-
MATERIAL_TYPE: Organic
MATERIAL: Kerogen
FORMULA: Unknown
FORMULA_HTML: Unknown
COLLECTION_LOCALITY: Unknown
ORIGINAL_DONOR: Unknown
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
SAMPLE_DESCRIPTION:
Insoluble coal-tar residue.
Cruikshank, Dale P., Dark Matter in the Solar System, paper presented at COSPAR, July, 1986.
Cruikshank, Dale P., Clark, Roger N., Salisbury, Jack, & others, in prep.
C.N. Matthews, R. Ludicky, J. Schaefer, E.O. Stejskal, and R.A. McKay, Heteropolypeptides from hydrogen cyanide and water? Solid state 15/N NMR Investigations, Origins of Life 14, 243 (1984).
IMAGE_OF_SAMPLE:
NO PHOTO
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Not Available
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EPMA, ICP(Trace), WChem
COMPOSITION_TRACE:
None
COMPOSITION_DISCUSSION:
None
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
Not done yet
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns