DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: BK-

MINERAL_TYPE: Organic

MINERAL: 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).

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

None

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), 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: 1_2_3_4_

LIB_SPECTRA_HED: where Wave Range Av_Rs_Pwr Comment

LIB_SPECTRA: splib04a r 2675 0.2-3.0µm 200 g.s.=

LIB_SPECTRA: splib05a r ____ 0.2-3.0µm 200 g.s.=

LIB_SPECTRA: splib06a r ____ 1.5-25µm 250 g.s.=