Montmorillonite-Na

Montmorillonite-Na — NIR2,126 points · 400012500 cm⁻¹
400060008000100001200000.05000.100Wavenumber (cm⁻¹)Absorbance

Spectrum Details

Modality
NIR
Category
soil
Material Type
Intimate
Sample ID
CU93-52A
Collection Locality
Stonewall Playa, Cuprite, Nevada, USA
Spectral Purity
1c2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns
Composition / XRD
XRF # XRF, EPMA, ICP(Trace), WChem
Sample Description
This sample was collected from the surface of the dry Stonewall Mud playa 1 km east of the eastern alteration center at Cuprite, NV. The original surface was preserved and spectrally measured in the lab.
XRD Analysis
Quartz (major), anorthite (minor), albite (minor), calcite (minor), orthoclase ( minor), muscovite (minor), montmorillonite (minor), kaolinite (trace), magnesiohornblende (trace).
X Units
cm⁻¹
Y Units
Absorbance
Data Points
2,126

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Attribution

USGS Spectral Library Version 7, U.S. Geological Survey

License: Public Domain

DOI: 10.3133/ds1035

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