Name: Dacite
Type: Rock
Class: Intermediate
Subclass: Felsic
Particle Size: Solid
Sample No.: AP-939-213
Owner: United States Geological Survey, L. C. Rowan
Wavelength Range: All
Origin: Iberian Pyrite Belt, Spain
Collection Date: N/A
Description: Dacite, green, alteredSample was Whole Rock Chips. Original ASTER Spectral Library name was usgs.perknic.rock.igneous.felsic.solid.dac213.spectrum.txt
Lithology      Dacite
Sample#        AP-939-213
Chemistry
SiO2           66.95
Al2O3          17.42
Fe             1.96
CaO            0.10
TiO2           0.13
MnO            0.02
K2O            10.20
MgO            0.84
Na2O           0.43
P2O5           0.04
PPC            1.97
X-Ray Diffraction
               Quartz
               Potassium Feldspar, Plagioclase
               Mica
