Sample: 95-ASL-13

Sample ID:	95-ASL-13 ^[1]
Station ID:	95-ASL-13
AT Num:
Volcano:	Monogenetic QT vents of WWVF
Possible source:
Eruption:
Collector:	Lunt, A. S.
Date sampled:	1995-06-00
Sample type 1:	Lava
Color:
Final unit:
Text Description:	Outcrop appears to be a 80-90' flow or dike(?) characterized by vertical jointing. Sample breaks conchoidally, suggesting a high silica content. Sample contains 5-7% large (6 mm in length, 1 mm width) acicular plagioclase in a black glassy groundmass. No visible ferromagnesian minerals.
Sample Location:

References Cited

[1] A reconnaissance study of mafic to intermediate intra-arc volcanism in the western Wrangell Volcanic Field, Alaska, 1997

Lunt, A.S., 1997, A reconnaissance study of mafic to intermediate intra-arc volcanism in the western Wrangell Volcanic Field, Alaska: Miami University Ph.D., 150 p.

This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G22AC00137 and G23AC00070.

Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.