Name: Rhyolite
Type: Rock
Class: Igneous
Subclass: Felsic
Particle Size: Solid
Sample No.: AP-939-221
Owner: United States Geological Survey, L. C. Rowan
Wavelength Range: All
Origin: Iberian Pyrite Belt, Spain
Collection Date: N/A
Description: Rhyolite, greenish, alteredSample was Whole Rock Chips. Original ASTER Spectral Library name was usgs.perknic.rock.igneous.felsic.solid.rhy221.spectrum.txt
Lithology      Rhyolite
Sample#        AP-939-221
Chemistry
SiO2           73.66
Al2O3          14.76
Fe             1.96
CaO            0.10
TiO2           0.12
MnO            0.02
K2O            4.75
MgO            0.84
Na2O           1.37
P2O5           0.02
PPC            2.40
X-Ray Diffraction
               Quartz
               Plagioclase, Potassium Feldspar
               Mica
