Sample: 79AM75


Sample ID: 79AM75 [1]
Station ID: 79AM75
AT Num:
Volcano: Peulik
Possible source:
Eruption:
Collector: Miller, T. P.
Date sampled: 1975-01-01
Sample type 1: Lava
Color:
Final unit:
Text Description: Porphyritic two-pyroxene andesite. Phenocrysts of plagioclase (37%), orthopyroxene (6%), and clinopyroxene (3%) with trace olivine in a groundmass of pale-brown glass.
Sample Location:

References Cited

[1] Geology of the Ugashik-Mount Peulik volcanic center, Alaska, 2004

Miller, T. P., 2004, Geology of the Ugashik-Mount Peulik volcanic center, Alaska: U.S. Geological Survey Open-File Report 2004-1009, 19 p., 2 sheets, scale 1:63,360.
full-text PDF 1.7 MB
plate 1 PDF 660 KB
plate 2 PDF 142 KB