Name: Rhyolite
Type: Rock
Class: Igneous
Subclass: Felsic
Particle Size: Solid
Sample No.: AP-939-220a
Owner: United States Geological Survey, L. C. Rowan
Wavelength Range: All
Origin: Iberian Pyrite Belt, Spain
Collection Date: N/A
Description: Rhyolite, white, alteredSample was Whole Rock Chips. Original ASTER Spectral Library name was usgs.perknic.rock.igneous.felsic.solid.rhy220a.spectrum.txt
Lithology      Rhyolite
Sample#        AP-939-220a
Chemistry
SiO2           79.30
Al2O3          10.92
Fe             1.08
CaO            0.15
TiO2           0.09
MnO            0.01
K2O            5.71
MgO            0.28
Na2O           1.02
P2O5           0.02
PPC            1.40
X-Ray Diffraction
               Quartz
               Plagioclase, Potassium Feldspar
               Mica
