Muscovite-medlowAl

Spectrum Details

Modality

NIR

Category

soil

Material Type

Intimate

Sample ID

CU91-250A

Collection Locality

Western Alteration Center, Cuprite, Nevada, USA

Spectral Purity

1b2b3_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 very southwestern margin of the western alteration center from the lower Cambrian Harkless Phyllite which was hydrothermally altered about 7.5 Ma.

XRD Analysis

Quartz (major), muscovite (both 2M1 and 1M polytypes).

X Units

cm⁻¹

Y Units

Absorbance

Data Points

2,126