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Sample YU-PZA45a

NavDat sample number 2970 · RHYOLITE

Sample

Sample IDYU-PZA45a
Rock nameRHYOLITE
Rock typeVOLCANIC
CompositionFELSIC
MaterialIGNEOUS
Collected byPansze, Arthur J
Commentfine-grained phenocrysts of biotite, sanidine, quartz, and plagioclase in a vitric and felsitic groundmass

Location

Latitude43.0084
Longitude-116.778
Locationfrom an exogenous dome of rhyolite porphyry; Owyhee County
State / provinceIdaho
Volcanic fieldupper rhyolite unit

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
15.3 15 15.6

Analyses

No chemical analyses are stored for this sample.

References