DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: KLF508

MINERAL_TYPE: Phyllosilicate

MINERAL: Kaolinite/Smectite (85% Kaol.) (Kaolinite-Serpentine group)

FORMULA: Al2Si2O5(OH)4 + (Na,Ca)0.33(Al,Mg)2Si4O10(OH)2*nH2O

FORMULA_HTML: Al₂Si₂O₅(OH)₄ + (Na,Ca)_0.33(Al,Mg)₂Si₄O₁₀(OH)₂•nH₂O

COLLECTION_LOCALITY: Paris Basin, France

ORIGINAL_DONOR: Phoebe Hauff, Fred Kruse CSES/CIRES

CURRENT_SAMPLE_LOCATION: CSES/CIRES, Univ. of CO, Boulder

ULTIMATE_SAMPLE_LOCATION: CSES/CIRES, Univ. of CO, Boulder

SAMPLE_DESCRIPTION:

Kaolinite/smectite clays are produced as transitional phases as smectite weathers to kaolinite. This sample is from the Argiles Plastique Formation of the Paris Basin. This formation contains a paragentic sequence from smectite to kaolinite.

Hauff, P.L., F.A. Kruse, and Medard Thiry, 1990, Spectral identification and characterization of kaolinite/smectite clays in weathering environments. Proceedings of the Fifth Australian Remote Sensing Conference, Perth, Australia, pp. 898-905.

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

XRD was used to determine the percent kaolinite. This sample is 85% kaolinite.

Hauff, P.L., F.A. Kruse, and Medard Thiry, 1990, Spectral identification and characterization of kaolinite/smectite clays in weathering environments. Proceedings of the Fifth Australian Remote Sensing Conference, Perth, Australia, pp. 898-905.

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem

COMPOSITION_TRACE:

COMPOSITION_DISCUSSION:

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

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 2632 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.=