Hydrated Volc Tuff

Spectrum Details

Modality

NIR

Category

soil

Material Type

Intimate

Sample ID

CU01-4A

Collection Locality

6 km north of Western Center, 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 in an exposure of Tertiary volcanic tuff exposed north of the dirt road that transects the Goldfield Hills about 6 km north of the western center at Cuprite, NV.

XRD Analysis

Anorthite (major), sanidine (major), quartz (major), cristobalite or opal (minor), nontronite (minor), muscovite (trace), volcanic glass recognized as probably causing an "amorphous hump" in the diffractogram.

X Units

cm⁻¹

Y Units

Absorbance

Data Points

2,126