Name: Dacite
Type: Rock
Class: Intermediate
Subclass: Felsic
Particle Size: Solid
Sample No.: AP-937-161
Owner: United States Geological Survey, L. C. Rowan
Wavelength Range: All
Origin: Iberian Pyrite Belt, Spain
Collection Date: N/A
Description: Dacite, tan phyllic, alteredSample was Whole Rock Chips. Original ASTER Spectral Library name was usgs.perknic.rock.igneous.felsic.solid.dac161.spectrum.txt
Lithology      Dacite
Sample#        AP-937-161
Chemistry
SiO2           61.61
Al2O3          13.28
Fe             14.54
CaO            0.10
TiO2           1.07
MnO            0.01
K2O            3.91
MgO            0.31
Na2O           0.22
P2O5           0.01
PPC            4.91
X-Ray Diffraction
               Quartz
               Plagioclase
               Mica
